Openwrt rebind protection. With no vpn, I get +800Mbps according to Speeddtest.
Openwrt rebind protection I am running OpenWrt 22. warn dnsmasq[4490] possible DNS-rebind attack detected how can I disable the option rebind_protection and set it to "0" on the router? Nov 15, 2024 · I have a uci_defaults script that I package with OpenWRT for some devices. x range. net With Wireguard, I only get ~200Mbps. dpool. Jan 14, 2019 · I think that I have a problem with incorrect configuration of the firewall, because any changes with DNS in the LAN or DHCP section i do not get the result that i need. # 4. x or 127. First off, problem nslookup on the OpenWrt router itself: root@OpenWrt:~# nslookup mysql. Particularly of interest, I wanted multiple dnsmasq instances and thorough filtering options with @dibdot s phenomenal Adblock package. dnsmasq. In the luci interface > Network > DHCP and DNS > General settings > Rebind protection. d/dnsmasq reload in my script but for some reason this is the only setting Mar 6, 2024 · All that is v4 so it should co-exist with whatever you do for v6. [12]. It's not a DNS rebind attack, if it points to a public IP-address; it's then just a regular DNS-hijack. I was trying to have VLAN20 and VLAN30 available in LAN4, but also have untagged packets into this port, since I have a proxmox server in this LAN4, and FreePBX is a VM running in there, and the Playstation is in one of the ports of the physical proxmox that I have bridged to the physical port, but I also have other servers running Feb 12, 2017 · OpenWrt Forum Dnsmasq excluding/including interfaces dnsmasq option domainneeded '1' option boguspriv '1' option localise_queries '1' option rebind_protection '1 Sep 26, 2024 · Hi, this is my first post here so please be gentle 🙂 I would say that I am very familiar with linux, networking and the cli and understand the most of the OpenWrt configs as well. Interfaces » WAN -> Disable Use DNS servers advertised by peer. So, I Jan 13, 2025 · Subject: Adblock Not Loading Host Lists on Reboot Hi everyone, I hope you can help me with this issue. Open AdguardHome Setup page 192. cn Tue Feb 9 12:31:11 2021 daemon. conf Jan 8, 2025 · Hello, I have a guest network using only openWRT WIFI today. This option is in the DHCP and DNS panel of the Network menu. 176). If you currently have dnsmasq or unbound installed, you should move these services to an alternative port and have AGH use DNS port 53 with upstream DNS resolvers of your choice configured. Thinking was: use same Interface: guest + device: br-guest in device br-guest add LAN 1 (wifi has network: guest ) in device br-guest - add VLAN 10 Tagged for LAN 1 That all coming via LAN1 for VLAN10, should only enter the guest May 18, 2024 · Yes, it is possible. 5 r20134-5f15225c1e / LuCI openwrt-22. just need the ARP table of router 1 to not be visible on devices on router 2. But after numerous tries of resetting OpenWrt, trying snapshot and stable and so on I can't find where my problem is 🙂 The following steps have I performed: I created a new bridge device (br-test) I created a May 31, 2022 · Hi, does anyone know why my raspberry pi 4's WAN port always lost connection after period of time? Restart the WAN port will help but it will happen again after period of time. 16. 1 with active DHCP AP2: 192. 1 as the OpenWRT's LAN IP (LAN subnet 192. 3 with deactive DHCP Also, they connected to each other by Ethernet cable with following topology: AP2 ------------- AP1 ------------------------AP3 In addition, because two wireless is activated on each AP 5 days ago · There is always an excitement and enthusiasm as new stable releases start showing up on the downloads page -- and that is great! As of this moment, 21. 2. dhcp. I agree with this to a point, but wondered what Openwrt folks think about this strategy, so I searched here and read 2-3 threads about these Mar 13, 2018 · Why is my dns not redirect to local listening port 5353? Thanks. I've been trying to find documentation on "rebind protection" setting recommendations for AdGuard Home specifically but haven't seen anything yet. 5 Problem: I am not able to make the clients connected to the router visible. Tue May 31 23:15:07 2022 kern. 2 and 19. I have not looked into LEDE uci options, but this is from dnsmasq help itself. 3 with adguardhome package version 0. Now I would like devices from lan to resolve those from iot (and possibly Sep 19, 2023 · i've a client properly getting IPv4 via DHCP, but the search domains are not getting passed from /etc/network/config down to dnsmasq it seems, as they never appear on the client's /etc/resolv. home etc. I set 192. 0:office. but in luci in page "DHCP and DNS" the "Domain whitelist " doesnt accept that and I cant change that page without removing /. 05. The configuration is quite simple, i do not have multiple instances, just this: 2 config dnsmasq 3 option localise_queries '1' 4 option rebind_protection '1' 5 option cachesize '0' 6 option authoritative '1' 7 option readethers '1' 8 option leasefile '/tmp/dhcp May 16, 2021 · The rebind protection can be easily turned off by the following two ways. This is because the OpenWrt router has DNS rebind protection on by default. this is a completely factory default install except luci-ssl which i installed. I'm using USB3 to ethernet for the WAN port and the default ethernet port for LAN. added this option, but nothing helps. Every other network their DNS requests should be send to the custom DNS server. Jan 2, 2025 · List of domains to allow RFC1918 responses for, only takes effect if rebind protection is enabled. 168. 05 branch git-24. I recently did a fresh install to the latest stable version on my WRT1900ACv2. Reduce dnsmasq cache size as it will only provide PTR/rDNS info. Feb 4, 2023 · That is a Microsoft official internet connectivity test domain and it is supposed to resolve to a public IP address. Traffic dns goes is bypassing server vpn /etc/config/firewall config defaults option syn_flood '1' option input 'ACCEPT' option output 'ACCEPT' option forward 'REJECT' config zone option name 'lan' option input 'ACCEPT' option Jun 21, 2018 · Programmer (and artist ) Brannon Dorsey wrote up a fascinating and fairly technical piece about the perils of DNS rebinding the other day. 2- I read that Wi-Fi 6e will not function as AP any work around? is it a driver issue or platform. I have set up an OpenVPN TAP server on OWRT router #1 on 192. 264. leases' option resolvfile '/tmp Dec 21, 2024 · Thats how ideal setup looks Small asjustment to dhcp conf. In Advanced, Change DNS server port to 54 from 53. 2 days ago · For the best performance and lowest latency on DNS requests, AGH should be your primary DNS resolver in your DNS chain. engageya. what am i doing wrong? config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp Oct 13, 2024 · config dnsmasq option domainneeded '1' option boguspriv '1' option filterwin2k '0' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option nonegcache '0' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. I initially thought the issue was cpu throttling as my system would not scale above 1. Dec 6, 2021 · Now the fun bit. lan DNS suffix for local clients. That is the reason for rebind protection - when you expect such upstream DNS replies. The main goal is to use Steven Black's compiled hosts file to do some adblocking. This will be LAN and DMZ. 3 and 19. com Sun Nov 1 17: Feb 8, 2016 · I don't know if someone did already mention this (a quick issue and faq search showed no results), but my Pi-Hole stopped working because my router had DNS Rebind Protection turned on. Practically everything about v6 is wrong in the config files you posted. # 2. I set up 2 instances of dnsmasq and assigned each one to its own bridge interface, lan and iot, this works great and everything is assigned an IP in the right range. config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option cachesize '10000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. 1:3000. Understanding why you might want to enable or disable this feature involves a brief overview of what DNS rebinding is and how it works, along with its potential implications Dec 27, 2024 · hey there, im unable to run adguardhome on my openwrt snapshot root@OpenWrt:~# ubus call system board { "kernel": "6. I am trying to use my custom DNS server, located in the DMZ network. dnsmasq[3835]: possible DNS-rebind attack detected: hostname. onion/ it seeems the Sep 14, 2023 · I have problems to annouce my IPv6 DNS server by DHCPv6 and have no idea why. There is a wireless range extender DAP-X1860 A1 using OpenWrt 23. i read the wiki about the firewall and about hardening your device but none of them explain how to do this (or i didn't see it). lan) Before adding dns section the dhcp config: config dnsmasq option domainneeded '1' option boguspriv '1' option filterwin2k '0' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option Feb 21, 2018 · I am having a problem resolving certain addresses. 3 or hello. aria. Adding entry in dhcp and dns>Forwards for the other site desn´t seem to work. 15. I know uci show dhcp uci show dhcp dhcp. lan You want to add rebind-domain-ok=lan to your dnsmasq. 3 with deactive DHCP Also, they connected to each other by Ethernet cable with following topology: AP2 ------------- AP1 ------------------------AP3 In addition, because two wireless is activated on each AP Jan 16, 2025 · I have a RP3 connected to wan on usb network adapte. Most things seem to be working but for some reason I can't get them to share the list of static leases. Just add plex. 0-rc2, connected to my ISP router through Ethernet. 0 subnet. 192. 1 - name. direct as an alternate hostname, and even disabled DNS rebinding protection (not what I want!) but was still not able to connect securely. Jan 24, 2022 · This is likely dnsmasq's rebind protection kicking in from stop-dns-rebind. 5 and this is my config of /etc/config/dhcp: config dnsmasq option domainneeded '1' option boguspriv '1' option filterwin2k '0' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option Nov 9, 2024 · Hi, Is there any reason, why configuration like this in the /host/config/dhcp file config host option name 'mylaptop' # Hostname (optional, for reference) option mac '11:22:33:44:55:66' # MAC address of the client option ip '192. You seem to have received snark and abuse for your concerns about the wifi speeds - as an openwrt member, i can only apologize, and hope others will stop by and offer useful suggestions. What is working in my setup (recap from previous post): First router: Second router: I would connect raspberry pi also with openwrt to some port of Nov 7, 2024 · Hi, Keep receiving "Ping: bad address 'openwrt. The correct syntax is: list rebind_domain '/example. How can I configure OpenWrt to allow these addreses being queried? Device Sep 27, 2020 · Hi there! per default openwrt is accessible from the WAN which i want to disable but i can't figure out how. My clients on "vpn" will get a dns server for IPv4 but not for IPv6. config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option Nov 22, 2023 · Wondering if someone can help. I have added the custom DNS server to the DHCP server (this works! But I also want to make openwrt forward all DNS requests to Mar 24, 2017 · There's a setting to allow specific things thru rebind protection. 1 in the Lan interface "Use custom DNS server" but nothing works. I put /*. 33. x. I have posted a similar post to OpenVPN forums but no reply. 251) as default DNS server. 179 I reboot the rpi the laptop detects a short connectivity loss and on reconnection keeps the old IP but issues a DHCPREQUEST (for 192. I haven't even worked out how to change the suffix for just a single interface. warn dnsmasq[31743]: possible DNS-rebind attack detected: browser. To keep things simple I have reset everything to defaults with no other serviees installed/running (no vpn etc) Do I just add the pihole address under Network>Interfaces>lan>Advanced settings>Use custom dns servers? Of course I have the pihole upstreamdns set to 127. 5 r24106-10cc5fcd00 / LuCI openwrt-23. When I do this, everything is fine. 10' # Custom DNS server for this client* could doesn't work, means custom DNS server is not 山东大学镜像站由学生运营，提供开源软件镜像服务，致力于打造以山东大学为中心的开源爱好者社区。 Apr 2, 2020 · No matter what i did, my clients get the router ip address as dns. With no vpn, I get +800Mbps according to Speeddtest. rebind_domain=plex. prodna2. my) router the qwestion is why OpenWrt Forum Why one OpenWrt router attacks another OpenWrt router (DNS-rebind attack) Jan 5, 2025 · root@OpenWrt:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '0' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. local instead of . Initially I had a lot of difficulty getting Adblock to filter multiple dnsmasq instances on separate zones. Could the Jan 5, 2023 · I'm on release version OpenWrt 22. g. google. 03 branch git-23. lan Oct 4, 2022 · Hi there! This is interesting: uci export dnscrypt uci: Entry not found DHCP: uci export dhcp package dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. Specifically for Plex you need to do: uci add_list dhcp. 101' # Static IP to assign to the client option dns '192. leases' option resolvfile '/tmp/resolv Sep 16, 2020 · I am having an issue with the "Enable DNS lookups" on real-time graphs in the Luci interface. 8) localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option Nov 5, 2024 · Hey so i am trying to isolate my devices on my OpenWRT router (my 2. 36. com I know it is about microsoft, but I don't know how to avoid that rebind attack? thanks root@james:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option local '/lan Feb 11, 2020 · Rebind Protection - Discard upstream RFC1918 responses That setting was enabled by default. When dnsmasq alerts about a rebind attack attempt, that means that instead of returning a public internet IP, your upstream DNS server replied with a private IP address in the 10. With my linux box I checked the info of network manager and there I found strange DNS-IPs To do a short explanation. I want to extend guest network with external TP-Link Wifi one guest network via LAN 1 by using VLAN 10. I also tried adding plex. @dnsmasq[-1]. Both routers alone work fine, including their standard dnsmasq local and internet dns services and clients. leases' option ednspacket I have my openwrt router setup to use unbound+odhcpd for DNS+DHCP on my local network. direct, and was able to point it at my local plex server with no change, and also pointed it to 1. However when i go to router 2 openwrt diagnostics Sep 7, 2024 · Wireless Channel Selection and Channel Fallback - OpenWrt Forum Loading Sep 2, 2024 · I try to add a dns section (via luci). 1 dns with no May 7, 2024 · Looking for info and possibility of (future - OpenWrt Forum Loading Jan 19, 2025 · onfig dnsmasq option domainneeded '1' option boguspriv '1' option filterwin2k '0' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option nonegcache '0' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp Sep 1, 2024 · Hi, I configured 2 OpenWrt routers to connect their local wlans (192. It’s wor. com Server: 127. Nov 19, 2021 · hi, i changed the router of the provider today, after that router is my router running openwrt and nat i am also using home-assistant remote connect; everything worked fine until i changed the providers router. Oct 7, 2021 · I have tried multiple fixes that were mentioned in other threads. 8. 5gb port all the vlans there is only one vlan interface that has an static ip the dhcp server is on opnsense Jan 3, 2023 · After installing Plex media server on my debian server, I'm getting the "possible DNS-rebind attack" sys-log messages. This allows DNS scanners to attempt rebind attacks. May 14, 2017 · Private DNS servers are not uncommon and perfectly legitimate, which is also why you can enable and disable rebind protection. (It's by design and intended Dec 27, 2023 · Enable dnsmasq to do PTR requests. 0:dc. I've performed the sysupgrade and basically left all settings unchanged, which at minimum should work with LAN out of the box to my understanding. I've created two DHCP servers so that are forced to use different upstream servers - one for LAN and one for GUEST/IOT interfaces. However, after a reboot, the status shows that 0 blocked domains are active Dec 27, 2024 · I have Unbound up and running. 1. I have trying putting the ip address of my main router and 1. With wireguard I can now reach services on lan 2 from lan 1 hosts and services on lan 1 from lan 2 hosts. r Wireguard adapter connected to NordVPN et0 is connected to a managed switch and I have 2 vlans I vlan-a that is behind the vpn and the other vlan-b is exposed to the internet I have two rules in PBR to have vlan-a the vpn and vlan-b to the wan on the unprotected network I'm hosting a mailcow server with all the appropriate ports redirected Dec 3, 2024 · I can't remember if wifi has a default SSID set. Dec 14, 2024 · Hi all, I'm trying to set up a segmented network at home and give each VLAN its own domain. 1 (lan static) | joe. The router was actuallly keeping you safe. 07. how do i get them to talk to each other so i can access different ip address on different networks root@OpenWrt:~# ubus call system board { "kernel": "6. 1 I lost DHCP support in LAN and DNS don't work not only in LAN but on localhost also. I have specified clients in Adguard - Settings - Client settings The only client I can see is the router itself (192. 200. com and it resolves to 10. leases' option localservice '1' option ednspacket_max '1232' option localuse Jun 3, 2020 · A newly flashed OpenWrt (18. lan Jun 26, 2024 · config dnsmasq option domainneeded 1 option boguspriv 1 option filterwin2k 0 # enable for dial on demand option localise_queries 1 option rebind_protection 0 # disable if upstream must serve RFC1918 addresses option rebind_localhost 1 # enable for RBL checking and similar services #list rebind_domain example. Your OpenWRT config should look like this: config dnsmasq list rebind_domain Jul 30, 2024 · Hi All, I have three wireless routers based on OpenWRT (AP1, AP2, and AP3) with the following setting: AP1: 192. 07 using unbound luci but after trying for a awhile, I couldn't get it to work 😮 Anyone can kindly guide me through? Edit: I am using Ath79 Generic Archer C7 v4 Sep 16, 2018 · Hi. Enable rebind protection. I connect everything, I connect to the wan port the cable that was going to my pc, I connect my pc to the router, and everything work fine, almost. noresolv Nov 12, 2011 · The fact that this attack is so trivial to carry out is scaring me, but OpenWRT seems to have enough countermeasures. Sep 29, 2022 · root@OpenWrt:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option boguspriv '1' option filterwin2k '0' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option nonegcache '0' option authoritative '1' option readethers '1' option Nov 26, 2024 · Hi. That Nov 26, 2024 · Hi. There are several pages that I can not access. Can anyone Jan 17, 2025 · Yhese two sections makes lan2 lan3 configs non-deterministic. If I submit a DNS query for mycaptiveportal. Jan 7, 2020 · root@efc-openwrt:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. lan # whitelist RFC1918 responses Dec 3, 2024 · I can't remember if wifi has a default SSID set. 7 r11306-c4a6851c72 and the router I have is an Archer A7 V5. For example, if Dec 11, 2024 · I have openwrt installed with docker and smartdns i have a docker dns-proxy-server( 192. How can I configure dnsmasq so hostnames can be Feb 23, 2024 · Installing and Using OpenWrt. Reverts AdGuard Home configuration and resets settings to default. DNS rebind occurs when a FQDN resolves to an RFC1918 address, so if you have an AdBlocker and it redirects blocked domains to say 127. 1' option rate_limit '0' option rebind_protection '1' option rebind Mar 24, 2019 · How to properly configure dnsmasq for - OpenWrt Forum Loading Oct 4, 2022 · Hi there! This is interesting: uci export dnscrypt uci: Entry not found DHCP: uci export dhcp package dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. I'll make separate topics for them for clarity. Thank you. uci -q delete dhcp. 2 with deactive DHCP AP3: 192. leases' option resolvfile '/tmp/resolv. 67", ";hostname": "OpenWrt" Oct 8, 2021 · I understand that Dnsmasq is a forwarder. 119. 111(wan dhcp) | 192. 0. hotelwifi. 8, it it possible to allow IPv6 too? Oct 15, 2024 · Hello, strange problem here. Additionally I tried to add a Host Override for unbound for plex. Specific problems and examples of DNS rebind protection interfering with Pi-hole's operation OpenWRT. I have my LAN interface which at the moment is set to the . # 5. May 28, 2020 · Hello dear OpenWRT forum members! I followed this official user guide to the letter and added the Quad9 servers instead of the Google and Cloudflare servers. Unfortunately after a reboot of the router (Nighthawk R7800 with master build from @hnyman ) the resolution shown by dnsleaktest. Check your firewall configuration. If I however connect the WAN cable currently Dec 19, 2024 · root@openwrt:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. rebind_protection='0' uci commit dhcp /etc/init. 2; it'll flag as a rebind attack. Isn't it better to do so? All 0. I want to confirm how to add the pihole into the mix. The WiFi performance is extremely sub par, but the device can work as a router without issue. But non of them have worked. Please connect to your OpenWrt device using ssh and copy the output of the following commands and post it here using the "Preformatted text </>" button: Jan 13, 2025 · Hi All, I would need another advice with my network setup. I want to have another local DNS domain for that LAN interface, so as well as . 1 Like. 99) from my main home router (192. I have a device, which has blocked internet access but I allow DNS on it, and it keeps resolving i. Sep 17, 2023 · I have two OpenWrt devices, one is set up as AP and the other is the client which connects to the AP. My setup basically involves Nginx setup on a Sep 22, 2018 · However I've managed to resolve ucs02. Don't use any Use custom DNS servers; DHCP and DNS > General settings > Disable Rebind protection. x, 192. warn dnsmasq[31743]: possible DNS-rebind attack detected: secure-eu. 3. If I however connect the WAN cable currently Dec 7, 2023 · Solved forcing wan interfaces of openwrt router to use custom dns (8. leases' option localservice '1' option ednspacket Oct 22, 2017 · Sounds like DNS rebind protection in dnsmasq, the default DNS server in LEDE. The following sequence of events occurs: the laptop gets 192. lan and eth1/10. org'" when trying to setup my BPI R64. Thankks Aug 26, 2022 · TP link routers of lower grade than the AX-50 can be flashed with OpenWRT and OpenWRT does have a whitelist setting for DNS rebinding protection. leases' option ednspacket Jan 7, 2020 · root@efc-openwrt:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. in network there is no ip6assign on lan. 3. msftncsi. Example: Sun Nov 1 17:21:23 2020 daemon. Jul 23, 2021 · Hey guys, Im trying to exclude my DuckDNS domain from rebind protection but despite me adding it to the whitelist, it still keeps throwing me RFC1918 errors when I try to access my server through my duckdns domain when im connected to my wifi network. 1#1053. warn dnsmasq[3045]: possible DNS-rebind attack detected: i. 2) for dynamically creating host entries for ad-hoc containers my problem is while i can nslookup the name and ip of the docker containers (e. 10 with DNS & DHCP duties all forwarded to the router at 192. lan, I'd also have something else such as . 9. Here is my configuration: I am using a Raspberry Pi 5 with OpenWrt 24. Today I decided to enhance the AP's functionality slightly by turning on dnsmasq and only use it as a DNS server (DHCP still forwarded to router). I'm about to replace my Nighthawk 7000 running Openwrt with the GL-iNet Flint 2 MT6000. com is done via Google Jul 12, 2022 · By default, OpenWrt has a security feature activated that prevents connected clients from a DNS rebinding attack. Check your logs, if you see lines like this then that is your issue. Dec 26, 2024 · root@OpenWrt:~# cat /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. com/' resolvfile May 19, 2024 · I´m trying to make DNS work in a site to site vpn-connection with two Openwrt-Routers. OpenWrt’s rebind protection also prevents captive portals from being forwarded to clients, so you must disable rebind protection so you can reach captive portals. When setting up aduardhome, where you change the default list server, rebind protection is also found there, which you can disable by changing it to 0 Next is on how to disable, 'cause someone is (or thinks they are) having an issue with DNS rebinding protection, then we have general question/confusion on the matter, then more about protection and problem and (partial) solution/workaround: "to solve this issue you have to insert your (full) domain to the DNS-Rebind Exceptions (or Apr 20, 2020 · I just switched from an older DavidC build to the latest OpenWRT available to me (OpenWrt 19. 9). d/dnsmasq restart Possibly OP can do the same for their specific domain. 3- Fast roaming is present in the device However, I'm spending a lot of time trying to figure out how exactly the DNS service works on OpenWRT. 4 days ago · two Interfaces wont talk to each other. wrt (lan domain) The client's wan zone forward option is set to ACCEPT so it can access the 192. After several tries, I can't connect to it. Is it really necessary to disable the protection for some reason? I'm not an expert on the subject but based on the knowledge I have I didn't understand why the protection would be harmful in this situation. Jul 6, 2016 · I've tried to search DNS-rebind attack and so in OpenWRT topics but sadly I can't found anything useful there. 4GHz, I am still only getting ~200Mbps down. AP - 192. weeverapps. You can disable it in /etc/config/dhcp by setting this to 0: option rebind_protection 0 DD-WRT Topic: Rebind protection security The content of this topic has been archived on 30 Apr 2018. com (or Sep 11, 2024 · Hi, On the Edup Ax3000 USB adapter plugged in USB 3 port of D-Link AC2640 running OpenWrt 23. My log is therefore spammed with something like that: Tue Feb 9 12:31:11 2021 daemon. Any lease hostname that gets given by one DHCP is only resolvable Jul 1, 2022 · Ideally, I would like something in the UI that allows me to either put a range of private address or put a domain name that is allowed to bypass rebind checks. The clients (either a Windows computer or an Android phone) just can't connect, and I don't understand why. leases' option resolvfile '/tmp/resolv May 20, 2022 · Hi I just received my new router a glinet Beryl router, and I want to configure to use it in my work's network. I can also fix this by specifying my own DNS server in network settings on my laptop - say Quad9 9. My question is what should my settings be if I have two different DNS domains being Nat'd by this router? idm. dnsmasq1. That is, the ethernet port plugs into a WAN connection, and the Pi sets up a WiFi AP for other devices to connect to. Disable rebind protection. 04, when I reboot the RPI4 it keeps switching the address of the connected laptop. leases' option Oct 16, 2024 · Hello, Theese is MY Router Info: Hostname OpenWrt Model ASUS RT-AC58U Architecture ARMv7 Processor rev 5 (v7l) Target Platform ipq40xx/generic Firmware Version OpenWrt 23. 1) . i don't wany anything from my internal network being accessible. Why two different domains you ask? Because I am running Active Directory integrated with IdM. There are no obvious gaps in this topic, but there may still be some posts missing at the end. warn dnsmasq[1]: possible DNS-rebind attack detected: www. I can access by IP but not with the URL, this pages use . 107. com in there with 8. rebind_protection='1' dhcp. com Sun Nov 1 17:21:25 2020 daemon. ad. 1#53 Dec 22, 2024 · I have Openwrt x86 setup with Wiregueard on a subnet behind my OPNSense router. When i configure it to be router1 lan->router2 wan, and assigning a different subnet, i am totally unable to ping any device that is connected to router 1. Nov 1, 2020 · I have just added a RasperberyPi for ad-blocking/tracking use and have now got a lot (hammering) of DNS Rebind attacks in my System Log. 0 responses are considered as potential rebind attacks. curious if others have come across the same thing. local attached to it I can access the router via router. This problem is happening on the router, and seems to be specific to AWS CNAMES, anecdotally those which return a private IP (at least those are the ones that I'm having a problem with). x subnet. cn domain around 3-4 times per second. docker. Share Add a Comment Mar 21, 2021 · Hi, I am having trouble with this router when I am connected to a private VPN (home network - no support from the ISP regarding this topic) and trying to access a site in this VPN it shows me a log msg like this: daemon. My router (single dns in the network) can't resolve its own hostname (alone or with the . 1GHz but even after correcting the issue and the cpus scaling up to their max 2. config dnsmasq 'main' option domainneeded '1' option boguspriv '1' option filterwin2k '0' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option expandhosts '1' option nonegcache '0' option authoritative '1' option readethers '1' option leasefile Feb 13, 2020 · The Rebind protection (Discard upstream RFC1918 responses) option disables it. 80898-65ef406, kernel version 5. direct uci commit /etc/init. 167 Local Time 2024-10-16 23:50:58 Uptime 0h 19m 17s Load Average 0. pipe. Configured 2 networks in Proxmox and forwarded them to OpenWRT. So I have included dhcp. 1 Address: 127. Target is espacially to have different resolve- and local domain names (in this case: eth0/10. 'OpenWRT' without encryption, which isn't secure if left unconfigured. In such cases, it's best to disable the protection. 1 | james. Here is the log when it lost connection. lan domain). It highly depends on certain use cases, ipset is one, there are others, we did consider increasing the start value in the init script, although, we can't go too far with the start value given it's providing DNS which needs to be available as early in the boot process as possible. 491439] ------------[ cut here Aug 1, 2024 · I'm using this config for separate DHCP : /etc/config/dhcp config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '0' option local '/lan/' option domain 'lan' option expandhosts '1' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. For testing i can successfully get 2 instances up, with their own domain. list rebind_domain '/. 56413-c7a3562 Kernel Version 5. lan) config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan Sep 5, 2024 · i have two routers both the same models and both have OpenWrt on it for some reason my head router (my. 1 your parent's DNS server? Your parent's network uses dr. Remove DHCP options for IPv4 and IPv6. warn kernel: [206007. 179 Sep 26, 2023 · I have OpenWRT VM installed on Proxmox (OpenWrt firmware version 22. my ) ataking other (avg. 0/24) with wireguard. For the time being, I am practicing and tinkering with it on my home LAN, so Openwrt gets its WAN IP (192. Unless DNSMasq is moved from port 53 to port 54 then AGH cannot take over and be primary DNS. onion/' and dnsmasq accepts that. leases' option Jan 24, 2020 · I read that you can now use dns over TLS through LUCI in 19. 2. leases' option Apr 1, 2022 · Hi folks, I seem to be having an issue with DNS and I'm not sure how to pinpoint the cause. I set these options (the first two are default): dhcp. Programmer (and artist ) Brannon Dorsey wrote Apr 15, 2020 · By default the OpenWRT package does not change the rebind protection parameter of dnsmasq. Jan 21, 2024 · Please connect to your OpenWrt device using ssh #!/bin/sh opkg update service adguardhome stop service adguardhome disable opkg remove adguardhome. It rejects private IP answers from upstream name servers. 2, r10947-65030d81f3) and I've been getting all kinds of strange issues. 21-1. 06. 8 and this bypasses the rebind checks. Jan 20, 2025 · This recipe explains how to setup and configure OpenWrt for using 3G/4G/5G USB modems for (In LUCI goto Network → DHCP and DNS and uncheck Rebind protection Nov 1, 2024 · I had a working OpenWrt setup for 2 years with no issues but suddenly one night it stopped working and couldn't figure out what happened, so I posted here and got some suggestions about my PiHole messing up and change DNS to public ones and it was working after that for couple of weeks and stopped again yesterday night when the Xfinity modem restarted after which I am unable to fix it. 03. May 5, 2023 · I'm quite confused trying to sort this out so thought I'd come here to ask. There is any workaround to prevent those bots to rebind? It looks like dnsmasq is reachable from the internet. But now whenever I try to connect to external DNS over TLS from android's private DNS, the phone is Dec 12, 2024 · man, I've been at this for a week now and I can't figure it out I have dnsmasq runnin along with a docker setup of traefik and a test nginx container with hello. leases' option Feb 9, 2021 · Hello. Aug 8, 2024 · Running dnsmasq on an RPI4 and with my laptop connected via ethernet to it running Ubuntu 20. conf. 10 are currently building, but they are not complete nor are they announced (current versions are still 21. starlink. Filtered DNS service responses from blocked domains are 0. This extender connects to a Netgear Nighthawk X4S R7800 using OpenWrt 18. 6. 3) from outside the openwrt device but i cant for the life of me access the same said Nov 27, 2023 · I have strange behavior with my wireless bridges. warn dnsmasq[3045]: possible DNS Sep 24, 2023 · With your device connected to the OpenWRT router running unbound and OpenWRT's rebind protection enabled, your device doesn't get any answer for www. DHCP options are added so AGH will take over from DNSMasq. Oct 14, 2024 · Release: 23. This means D Sep 6, 2024 · A Wi-Fi Repeater is a configuration of an OpenWrt router that “extends” the network. aws. Mainly it takes a very long time until internet works, but then it is a lot faster. That claim could have generated too much negative publicity for OpenWRT. Jan 1, 2025 · Hi, I've been following this guide to create a guest wi-fi. lan? Your devices use your OpenWrt's DNS? Dec 7, 2024 · Hello everyone, TL;DR: My two LAN subnets on separate interfaces and firewall zones can still access each other router’s web interface—how can I isolate them? I have an issue with subnet isolation in my setup. lan client - 192. 1. sina. 4 r24012 Kernel 5. I’ve been trying to troubleshoot this with ChatGPT for days but haven’t had any luck. nac-issa. When connected to LAN2 (tap bridge) on router 2 (client) I can access the server, ping devices on it, see devices on IP Scanner app. 73", "ho… Jul 12, 2020 · Couple days ago, I set-up a dumb AP running OpenWrt at 192. conf relevant contents of /etc/config/network - and here's the dnsmasq instance section from /etc/config/dhcp What i don't get is why mgmt does not end up appearing anywhere in /tmp/etc/dnsmasq. 00, 0. It is continuation of Please help with network configuration. I know it's a DNS issue because I can ping 8. Oct 10, 2024 · Hey, everybody - most of the guides that I've seen for running OpenWRT on a Raspberry Pi talk about using it as a WiFi router. 3) using connected clients Apr 21, 2022 · Yes, there are potential race conditions with startup, although it can be for both versions. # 3. I have been using openWRT for years. After latest upgrade for 18. I have a bridged client TAP setup on OWRT router #2. @dnsmasq [0]. What can I do in LuCI (or Plex) to prevent it? Thanks! It's nothing to be concerned about. I would Sep 19, 2023 · i've a client properly getting IPv4 via DHCP, but the search domains are not getting passed from /etc/network/config down to dnsmasq it seems, as they never appear on the client's /etc/resolv. com. de/Ip-address of DNS-Server of… Jun 20, 2019 · You definitely should not disable rebinding, none of these hostnames should provide an RFC1918 IP as its reply for an A Record. May 13, 2024 · Here's the dhcp config: root@OpenWrt:/etc/co… I'm trying to configure multiple dnsmasq instances for testing purposes, however i hit a roadblock. Or. When I manually reload Adblock, everything works fine. Connecting the Flint2 to the existing Nighthawk over LAN ports and then PC into Flint2 works just fine. The blocked domains list loads, and everything functions as expected. local from outside the openwrt device I can access the container via ip (192. org is my other domain and it also has a dns server. intern. Jan 5, 2021 · I actually did it through the web and at the end I kept DNS rebind protection enabled as I couldn't figure out why it should be disabled. My Openwrt version is OpenWrt 19. microsoft. So I'm pretty confident that this could be implemented in a next firmware upgrade. After completing the guide the resolution went via WoodyNet which is right for Quad9. 10. int. 02. Move dnsmasq to port 54. Rebind protection is removed. I'd like to set mine up in the opposite direction: connecting to WiFi to access the WAN, and using that connection to provide networking to devices Sep 12, 2017 · KidSafe (or Guest) WiFi, Forced SafeSearch and Adblock I had been experimenting for several weeks with creating a Guest wireless network with LEDE. 8 Modfiy Nov 29, 2023 · config dnsmasq option domainneeded '1' option localise_queries '1' option rebind_protection '1' option rebind_localhost '1' option local '/lan/' option domain 'lan' option noresolv '1' option port '53' option expandhosts '1' option cachesize '1000' option authoritative '1' option readethers '1' option leasefile '/tmp/dhcp. For one, I keep getting DNS rebind notifications for my internal Windows domain. Feb 8, 2023 · Enable dnsmasq to do PTR requests. An OpenWrt router operating in AP+STA mode (sometimes referred to as “wi-fi tethering”) does this by making a wireless uplink to a hotspot (an access point or “AP”) and then repeating to other devices connected wirelessly or to its Ethernet interface. org is my first domain and it has a dns server. @dnsmasq[0]=dnsmasq … config 'dnsmasq' option domainneeded 1 option boguspriv 1 option filterwin2k 0 option localise_queries 1 option rebind_protection 1 option rebind_localhost 0 option local '/lan/' option domain 'lan' option expandhosts 1 option nonegcache 0 option authoritative 1 option readethers 1 option leasefile '/tmp/dhcp. I still cannot understand why Craig Heffner decided to label OpenWRT as vulnerable if /etc/config/dhcp has the rebind_protection enabled. I would need to add another host (raspberry pi) to a second router to have another TvHeadend running in IPTV with VlanID 16. 0/24) . A USB Wi-Fi dongle (AWUS036ACM) is plugged in, in . local) internally in the I can only seem to ping the docker container via thier ip( 192. direct to Domain whitelist under Network > DHCP and DNS. 8 on a MiWiFi mini) and pi-hole setup, the things I changed from OpenWrt are: Turn off all ipv6 settings Force the router as DHCP Turn-off rebind protection (it's spamming the log) Add an advanced DHCP option to offer pi-hole (192. 162 , I'm encountering issues: 1- where the Maximum transmission power is locked always at 3dBm on 5GHz no matter how I tried to change it. imrworldwide. 60, then in theory Rebind Protection would effectively discard the DNS response since it includes an RFC1918 IP address. I'm almost there but am missing the final piece of the puzzle. 00 I tried Modify My DNS to Google 8. With AGH installed, we now switch OpenWrts DNSMasq to the background so we can pull client info from it and resolve the OpenWrt clients. For Wifi distribution, an Intel AC 3168NGW module was routed through the IOMMU group PCI Wifi, iwlwifi-firmware-iwl3168 drivers and drivers for wireless network Mar 18, 2022 · Is 192. 8, but not www. Apr 16, 2022 · DNS rebind attack, at least when it comes to OpenWRT, is specifically about hijacking a DNS-request and returning a result within the private IP-address range or a loopback address. Through a combination of Jul 30, 2024 · Hi All, I have three wireless routers based on OpenWRT (AP1, AP2, and AP3) with the following setting: AP1: 192. What does not work is dns. com (or anything else) from unbound on the router because all of the answers are the same intranet captive portal address which the rebind protections private-address settings are causing to Feb 22, 2021 · I have allowed my domain for rebind protection and it works fine for LAN ipv4 address but not for IPv6 address like fd00::8, opening the website defaults to 192. com while pinging, when I bypass my OpenWrt VPN, also on another router (not associated or connected to the OpenWrt router). Jan 1, 2025 · Hi, I try to avoid that kind of message in my log ; Wed Jan 1 14:43:10 2025 daemon. router) but not for any security reasons. I receive an IP address from the server Sep 30, 2019 · I have this line in dnsmasq config. When testing I need to disable Rebind Protection on dnsmasq because the router is behind my primary firewall and needs to access some services on the local network. I suspect it might have something to do with AdGuard Home when I installed it, because 5 days ago · Hi, I've bought a OpenWRT One and I'm really happy but I have some issues, some devices disconnect and can't reconnect on the wifi I've configured the router as access point I left the eth1 1gb port in the lan-br as a fall back with default dhcp on I've made a second bridge with eth0 2. The packages that I installed are: dnscryptv2, adblock. I am certain that this issue involves the settings on one or both of them and have verified that this feature worked on the fresh default installation of OpenWRT 19 Oct 30, 2024 · Hi everyone, Trying to do something basic but due to my limited knowledge can't get it to work. domain. The Plex forum/howtos give instructions on how to exempt Plex, saying that since this is happening within my LAN, it can be ignored. For now I bypass this by using: Services: Unbound DNS: Overrides and then Domain overrides and I put dishy. x, 172. 0 which causes dnsmasq to fill the system log with possible DNS-rebind attack detected messages. dnsmasq Feb 21, 2024 · DNS Rebinding Attack Protection is an important security measure designed to protect devices on your network from a specific type of cyber attack known as DNS rebinding. nacxb igji aakri yovc tdq nkxjtl bpmlola lovu kdrlwfl bnhwxogv