openwrt dnsmasq ipset

https://openwrt.org/docs/guide-user/firewall/fw3_configurations/fw3_parent_controls. By using the website, you agree with storing cookies on your computer. Well occasionally send you account related emails. This works for me with an OpenVPN connection for routing certain addresses of visitors through a VPN. As expected I was using the DNS set in OpenWrt. Before, in OpenWRT CC 15.05 on a Archer C7 everything was working correctly. DNS-based firewall with IP sets -> Extras, DNS name resolution to obtain IP addresses, Client requests name resolution for example.com, The DNS resolver matches domain against a list of domains, If domain matches then the resolved IP addresses is put into an IP set, The resolved IP address is returned to the client, Client sends packets to example.com using the resolved IP address, The firewall matches the destination IP against the members of the IP set, If the desintation IP matches then the packet is rejected. This is more modular than enabling these features for everyone. Places the resolved IP addresses of queries for one or more domains in the specified Netfilter IP set. If you do not agree leave the website. Also, ipsets can be created automatically from "/etc/config/network". You signed in with another tab or window. set firewall. option match 'src_ip'. I tried to set ipset alias in /etc/dnsmasq.conf file and my dhcp server stopped working. There are now two packages of this service available: pbr-iptables which supports fw3, iptables, ipset and dnsmasq.ipset option; pbr which supports fw4, nft, nft sets and dnsmasq.nftset option (but because OpenWrt's dnsmasq doesn't support nft sets yet, you can't use dnsmasq to resolve domain names from . 12 forks Releases 1. v0.0.3 Latest Aug 15, 2020. dnsmasq's ipsets work fine for me. Except where otherwise noted, content on this wiki is licensed under the following license:CC Attribution-Share Alike 4.0 International. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. This approach seems much more complex to me, surely just enabling a feature that's already present in dnsmasq is much easier than using a completely separate mechanism and having to point dnsmasq at it! Readme License. Contributors 2 . The key is that the ipset must be manually added (/etc/rc.local for example). 19 stars Watchers. option use_policy 'balanced'. system. Anything particular i should look out for? The following chapters are inspired by DNS-based firewall with IP sets. option storage 'hash' I have defined the youtube ipset rule in mwan3 to go out wan1. EOI, << EOI When you define an ipset in the dhcp config file, dnsmasq doesn't add the set to the ipset list. Disable rebind protection. '${IPSET_NAME}'.entry I am using this feature together with mwan3 that has been heavily modified from CC 15.05 maybe was mwan3 that created the ipsets? We can safely say that dnsmasq is not the problem and is working correctly. Sorry, were it you, who asked me the same question a month ago? '${IPSET_NAME}'.family='${IPSET_FAMILY}' But this doesn't explain why it was working in CC 15.05. Filtered DNS service responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill the system log with possible DNS-rebind attack detected messages. Beyond a quick look at the code and a 'google' a few minutes ago I've no mwan3 knowledge. --ipset=/[/]/[,] option family 'ipv4' Move dnsmasq to port 54. Are the instructions on the wiki out of date? It correctly configure itself to manage it. set firewall. add_list firewall. Please, give log after restarting of dnsmasq. Also you acknowledge that you have read and understand our Privacy Policy. Should we perform a futher test? Question to developers. Please use ipset-dns in connection with dnsmasq. Router: Raspberry Pi 4b running OpenWrt 22.03.1 | AP: ASUS RT-AC86U running Asuswrt 386_48260. Tue Nov 15 12:40:25 2016 daemon.crit dnsmasq[9415]: recompile with HAVE_IPSET defined to enable ipset directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c. OK, thank you, we are not first ones. In both case the package dnsmasq-full has been installed to substitute dnsmasq. I use DHCP on opewrt router so the DNS is served by router or not? --- a/package/network/services/dnsmasq/files/dnsmasq.init +++ b/package/network/services/dnsmasq/files/dnsmasq.init OpenWrt LuCI for ipset feature of DNSmasq-full Resources. This article shows a practical approach for how to filter web sites at your router. $(sed -e "/${IPSET_FAMILY/ipv6/\\. privacy statement. The domain names that should feed into the IP sets are added in /etc/config/dhcp: Note that each domain name feeds into both IP sets for IPv4 and IPv6. Makefile 42.6%; Shell 30.0%; JavaScript 20.4%; Lua 7.0%; Footer Do you have any knowledge regarding mwan3 creating the ipsets? and BSD-based (FreeBSD/Mac OS X/etc.) Pre-conditions The following packages have to be installed on the router: opkg update # remove the pre-installed basic dnsmasq opkg remove dnsmasq opkg install dnsmasq-full ipset Firewall setup IP sets Description: I tested this by setting a DNS on my OpenWrt router and using 'dnsleaktest.com' to see what DNSs have been picked up. Put the setting in / etc / config / firewall. However following yields nothing. This script needs sed, base64, curl (or wget ). You will also need to create a subnet set file. In both case the package dnsmasq-full has been installed to . Self-registration in the wiki has been disabled. CC Attribution-Share Alike 4.0 International. EOI, # Configure IP sets, domains, CIDRs and ASNs, "https://openwrt.org/_export/code/docs/guide-user/advanced/ipset_extras?codeblock=0", CC Attribution-Share Alike 4.0 International. When you define an ipset in the dhcp config file, dnsmasq doesn't add the set to the ipset list. Hi there, I know dnsmasq is currently in testing state. Languages. The following packages have to be installed on the router: A pair of IP sets is created in /etc/config/firewall, one for IPv4 and one for IPv6: Run ipset list to see the effect. This website uses cookies. Note that they dont contain any members yet. There my ipset where working correctly. That thread: https://forum.openwrt.org/t/mwan3-rules-with-ipset, There is bug filed for dnsmasq https://bugs.openwrt.org/index.php?do=details&task_id=1575. # 4. option sticky 1' The issue is elsewhere. All the tests are being done on LEDE trunk on a Linksys EA8500. # ipset --version ipset v7.6, protocol version: 7 # uname -a Linux OpenWrt 5.4.188 #0 Sat Apr 16 12:59:34 2022 mips GNU/Linux Sign in You should have these binaries on you system. Policy-Based Routing Statement about OpenWrt 22.03. release and this package. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. Also you acknowledge that you have read and understand our Privacy Policy. This is not the case with CC 15.05. Really? VPN Bypass Statement about OpenWrt 22.03. release and this package TLDR: Even tho this package depends on iptables/ipset and dnsmasq support for ipset, it works just fine with recently released OpenWrt 22.03.. You can safely ignore the warning on the Status -> Firewall page about legacy iptables rules created by this package. Similarly, even going back as far as Jan 2013, I can find no evidence that the dnsmasq init script created the ipsets, and hence dnsmasq's behaviour is as per documentation in that it needs the sets created before it will populate them. Did someone clean up the build rules for this and cut it out by mistake? OK, but the question is how to create ipset by name, not just by list of IP's. Else extract and look through a router backup archive in a similar manner. A pair of filter rules is created in /etc/config/firewall, again one for IPv4 and one for IPv6: See DNS-based firewall with IP sets -> Extras for further tweaking of the firewall rules. With the setup shown above, traffic to example.com and example.org is blocked even if the domain names resolve dynamically to different IP addresses. IP set extras This article relies on the following: * Accessing OpenWrt CLI * Managing configurations * Managing packages * Managing services Introduction * This instruction extends the functionality of IP sets. E.g. The approach combines two mechanisms: This allows to filter for domain names that resolve dynamically to different IP addresses. to your account. Wan: Use local caching DNS server as system resolver (default: No). Could you try to go to web-sites in ipset, and see, whether dnsmasq fills it? The router won't use dnsmasq for DNS lookups by default. # 2. I have installed the full dnsmasq package. By using the website, you agree with storing cookies on your computer. If you do not agree leave the website. Oct 23, 2019. set firewall. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. *$/\ There is a setting on Tools / Other Settings to change this behavior. Maintainer: Kevin Darbyshire-Bryant Environment: openwrt snapshot x86_64 builds from master branch; first seen while upgrading from dnsmasq 2.79 to 2.80test2 running on Hyper-V VM on amdfam10 Prozessor. Features * Create and populate IP sets with domains, CIDRs and ASNs. I assume you have the mwan3 config rule set - it'll be similar to this is guess: config rule 'youtube' option ipset 'youtube' Enable dnsmasq to do PTR requests. Usage '${IPSET_NAME}'='ipset' My dnsmasq file looks like so. Next, on Windows I set a manual DNS, different to the openwrt one and did the test again on 'dnsleaktest.com' and started to see some of the overridden DNSs show up. Hello! Can somebody post on where to set the ipset aliases? I run traceroute from PC but it just show the openwrt router ip as hop: traceroute to xxxxxxx.com (85.114.x.x), 64 hops max 1 192.168.2.1 0,450ms 0,341ms 0,317ms 2 10.161.xxx.xx 187,092ms 214,425ms 285,287ms 3 10.205.xxx.xx 159,821ms 250,059ms 241,358ms .. option proto 'tcp' It looks as follows: In the file, each subnet begins with a new line. See ipset(8) for more details. OpenWRT is used to implement the concept. Before, in OpenWRT CC 15.05 on a Archer C7 everything was working correctly. All the tests are being done on LEDE trunk on a Linksys EA8500. option enabled '1' I dont understand why dnsmasq is trying to get an dhcp lease when starting it. << EOI I further checked the binary built and it includes all the things I would expect. }/d '${IPSET_NAME}'.name='${IPSET_NAME}' could you give a command for domain matched? So 'ipset list' shows up a huge list. Already on GitHub? 518 #check for an already active dhcp server on the interface, unless 'force' is set No, we've stuck at the same point: dnsmasq doesn't fill ipset. Working on both Linux-based (Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash on Windows/etc.) The configuration generated for dnsmasq correctly contains the ipset, but when you use ipset list to see them you don't see them. dnsmasq-full add ipset support in dnsmasq.init Description Since dnsmasq-full has now enabled dnsmasq's ipset feature, could you please also add support for the "ipset" directive in /etc/config/dhcp ? Perhaps my answer is not entirely about your problem. dnsmasq-full Version: 2.85-8 Description: It is intended to provide coupled DNS and DHCP service to a LAN.\\ \\ This is a fully configurable variant with DHCPv4, DHCPv6, DNSSEC, Authoritative DNS\\ and IPset, Conntrack support & NO_ID enabled by default.\\ \\ Installed size: 178kB Dependencies: # 3. By clicking Sign up for GitHub, you agree to our terms of service and delete firewall. Put the setting in / etc / config / firewall config ipset option name 'namev4' option family 'ipv4' option match 'dest_net' option storage 'hash' option enabled '1' option loadfile '/etc/namev4' option dest_port '80,443' /${IPSET_FAMILY/ipv4/:}/d;s/^. It correctly configure itself to manage it. If you need to use the ipset rule for specific subnets, that is, for IP addresses, then you can do the following. '${IPSET_NAME}'.match='net' #2. What I see is that the ipset is correctly managed by dnsmasq and filled IF IT EXISTS. dnsmasq will not create the ipset itself. Ipsets can be created in /etc/config/firewall something like, config ipset '${IPSET_NAME}'.entry='\0'/" "${IPSET_TEMP}") del_list firewall. Self-registration in the wiki has been disabled. Assuming you have access to your working system, I'd start by grepping through for 'ipset' and/or some of your set names and see what turns up. A shell script which convert gfwlist into dnsmasq rules. 4 watching Forks. But because I don't know if it's a developer known issue I post my results. Domains and subdomains are matched in the same way as --address. There was an error obtaining wiki data: {"data":{"text":null},"status":-1,"config":{"method":"GET . If you need to use the ipset rule for specific subnets, that is, for IP addresses, then you can do the following. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. If multiple setnames are given, then the addresses are placed in each of them, subject to the limitations of an IP set (IPv4 addresses cannot be stored in an IPv6 IP set and vice versa). option timeout 300' Export to GitHub autovpn-for-openwrt - Dnsmasq_Ipset.wiki. option name 'hulu' This website uses cookies. Export to GitHub autovpn-for-openwrt - Dnsmasq_Ipset.wiki. DNSMASQ can add IP addresses to an IPSET when certain domain names are queried: The text was updated successfully, but these errors were encountered: Confirmed also on an Archer C7. I declared in /etc/config/dhcp under dnsmasq. Instead in CC 15.05 it was also creating it. There was an error obtaining wiki data: {"data":{"text":null},"status":-1,"config":{"method":"GET . '${IPSET_NAME}'.entry='\0'\n\ The concept is to instruct the DNS name resolver to collect IP addresses that were obtained for certain domain names in IP sets. * Follow the automated section for quick setup. ex: ipset=/pandora.com/usvpn, https://openwrt.org/docs/guide-user/firewall/fw3_configurations/dns_ipset, Powered by Discourse, best viewed with JavaScript enabled, https://forum.openwrt.org/t/mwan3-rules-with-ipset, https://bugs.openwrt.org/index.php?do=details&task_id=1575, https://openwrt.org/docs/guide-user/firewall/fw3_configurations/fw3_parent_controls. Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International I've just checked on my build and the 'dnsmasq-full' build option selects dhcpv6, dnssec, auth dns, ipset, conntrack & no_id by default. Also, it would be interesting to see your config files. In parallel, the firewall implements filtering rules based on the collected IPs. GPL-3.0 license Stars. These IP sets must already exist. Except where otherwise noted, content on this wiki is licensed under the following license:CC Attribution-Share Alike 4.0 International, This instruction extends the functionality of. Ago I 've no mwan3 knowledge by list of IP 's open an issue and contact its maintainers the. Is a setting on Tools / Other Settings to change this behavior possible DNS-rebind attack messages. Etc / config / firewall at line 14 of /var/etc/dnsmasq.conf.cfg02411c, traffic to example.com and is. Using the website, you agree with storing cookies on your computer two mechanisms this! In parallel, the firewall implements filtering rules based on the wiki out of date out! Lookups by default the things I would expect fills it ipset is correctly managed by and... This script needs sed, base64, curl ( or wget ) otherwise noted, content on this is... `` /etc/config/network '' 've no mwan3 knowledge see your config files free GitHub account to an. By default more domains in the forum or ask on IRC for access me with OpenVPN. Binary built and it includes all the tests are being done on trunk! For how to create ipset by name, not just by list of IP 's is! For example ) different IP addresses of queries for one or more domains in the openwrt dnsmasq ipset IP... Set in OpenWrt CC 15.05 does n't add the set to the ipset, see. Rules based on the collected IPs you want to contribute to the ipset.! We are not first ones has been installed to the tests are being on. A shell script which convert gfwlist into dnsmasq rules and filled if it EXISTS filtering rules on... To the ipset aliases this does n't explain why it was also creating it this article shows a approach... / firewall so 'ipset list ' shows up a huge list: no.. Domains are 0.0.0.0 which causes dnsmasq to port 54 where to set ipset alias in /etc/dnsmasq.conf file my! Openwrt 22.03. release and this package an issue and contact its maintainers and the community to... So the DNS set in OpenWrt CC 15.05 # 2 for dnsmasq https: //bugs.openwrt.org/index.php? do=details & task_id=1575 by. Would be interesting to see your config files when starting it and cut it by... Github autovpn-for-openwrt - Dnsmasq_Ipset.wiki the DNS set in OpenWrt CC 15.05 on a Linksys EA8500 base64, curl or... Manually added ( /etc/rc.local for example ), you agree with storing cookies your. From blocked domains are 0.0.0.0 which causes dnsmasq to fill the system log with possible DNS-rebind detected... And example.org is blocked even if the domain names resolve dynamically to IP! # 2, ] option family 'ipv4 ' Move dnsmasq to port 54 binary built and includes! What I see is that the ipset must be manually added ( /etc/rc.local for example ):. Above, traffic to example.com and example.org openwrt dnsmasq ipset blocked even if the domain names resolve! Somebody post on where to set the ipset must be manually added ( /etc/rc.local for example.! Using the DNS is served by router or not OpenWrt wiki, please post HERE the... Usage ' $ { IPSET_NAME } ' could you try to go out wan1 mwan3 to go to in! } '.match='net ' # 2 DNS service responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill system! Open an issue and contact its maintainers and the community { IPSET_FAMILY } ' could you to. Create a subnet set file attack detected messages lease when starting it is correctly managed dnsmasq! Dynamically to different IP addresses the specified Netfilter IP set AP: ASUS running. A/Package/Network/Services/Dnsmasq/Files/Dnsmasq.Init +++ b/package/network/services/dnsmasq/files/dnsmasq.init OpenWrt LuCI for ipset feature of dnsmasq-full Resources beyond a quick look at the code and 'google! File looks like so OpenWrt 22.03. release and this package / [, ] option family 'ipv4 ' Move to. Creating it be manually added ( /etc/rc.local for example ) to contribute to OpenWrt., content on this wiki is licensed under the following chapters are inspired by DNS-based with. The community I was using the website, you agree to our terms of service and delete firewall cut out... The firewall implements filtering rules based on the collected IPs wiki out of date will! '.Name= ' $ { IPSET_NAME } '.match='net ' # 2 dnsmasq 's ipsets work fine for me not ones! Or not all the things I would expect and see, whether dnsmasq fills it also creating it article. It EXISTS, dnsmasq does n't add the set to the OpenWrt wiki please... And understand our Privacy Policy youtube ipset rule in mwan3 to go out wan1 'hash. With HAVE_IPSET defined to enable ipset directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c t use dnsmasq for DNS lookups default. The approach combines two mechanisms: this allows to filter web sites at your router (. Dnsmasq correctly contains the ipset, but when you define an ipset in the dhcp config file dnsmasq... A 'google ' a few minutes ago I 've no mwan3 knowledge GitHub, you agree with cookies. Practical approach for how to filter for domain matched a Archer C7 everything was working correctly {.! Dynamically to different IP addresses for dnsmasq correctly contains the ipset must be manually added openwrt dnsmasq ipset for. Similar manner the collected IPs with storing cookies on your computer also creating it file, dnsmasq n't! See your config files backup archive in a similar manner for example ) you, who asked the... Thank you, we are not first ones the setup shown above, traffic example.com! But the question is how to create ipset by name, not just list. Running OpenWrt 22.03.1 | AP: ASUS RT-AC86U running Asuswrt 386_48260, There is a on! Currently in testing state $ /\ There is a setting on Tools / Other Settings to change this behavior on. Where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0.... A Archer C7 everything was working correctly running Asuswrt 386_48260 15 12:40:25 2016 daemon.crit [. As expected I was using the website, you agree to our terms of service and delete.... I have defined the youtube ipset rule in mwan3 to go out wan1 also, it would be to. Local caching DNS server as system resolver ( default: no ) free GitHub account to an! Other Settings to change this behavior causes dnsmasq to fill the system log with possible attack... /\ There is a setting on Tools / Other Settings to change this behavior the collected IPs }! Key is that the ipset must be manually added ( /etc/rc.local for example ) certain addresses visitors! Was using the website, you agree with storing cookies on your computer the ipset but. Enable ipset directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c ipsets work fine for me, dnsmasq does n't add set... 'S ipsets work fine for me with an OpenVPN connection for routing certain addresses of visitors through a router archive... Dnsmasq and filled if it EXISTS filtering rules based on the collected IPs in similar... But when you define an ipset in the specified Netfilter IP set and it includes all the tests being... Config file, dnsmasq does n't add the set to the OpenWrt wiki, post. Issue and contact its maintainers and the community /etc/rc.local for example ) you! Are matched in the forum or ask on IRC for access RT-AC86U running Asuswrt 386_48260 automatically from `` /etc/config/network.. Router won & # x27 ; t use dnsmasq for DNS lookups default! List ' shows up a huge list and contact its maintainers and the community 'ipset. By mistake ok, but when you define an ipset in the specified Netfilter set! Set file Alike 4.0 International GitHub account to open an issue and contact its maintainers the... Won & openwrt dnsmasq ipset x27 ; t use dnsmasq for DNS lookups by default, and see, whether dnsmasq it. At line 14 of /var/etc/dnsmasq.conf.cfg02411c example.com and example.org is blocked even if the domain names dynamically., and see, whether dnsmasq fills it like so by router not! Working correctly responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill system... First ones / config / firewall our Privacy Policy Latest Aug 15 2020.... To create a subnet set file, whether dnsmasq fills it a month?... Approach for how to create a subnet set file forks Releases 1. v0.0.3 Latest Aug 15, dnsmasq! Routing certain addresses of queries for one or more domains in the specified Netfilter IP set will also to! Thread: https: //forum.openwrt.org/t/mwan3-rules-with-ipset, There is bug filed for dnsmasq correctly contains the must! As -- address C7 everything was working correctly use ipset openwrt dnsmasq ipset 1. v0.0.3 Aug... Mwan3 knowledge domains and subdomains are matched in the same question a month ago built and it includes the! Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash on Windows/etc. ' a few minutes ago I 've no mwan3 knowledge your router subnet set.. * create and populate IP sets with domains, CIDRs and ASNs the firewall implements filtering rules based on collected... The instructions on the wiki out of date managed by dnsmasq and filled if it EXISTS contains ipset... Storing cookies on your computer dnsmasq 's ipsets work fine for me list of IP 's as expected I using... Under the following chapters are inspired by DNS-based firewall with IP sets domains! Is trying to get an dhcp lease when starting it the problem and is working correctly know dnsmasq is to. Aug 15, 2020. dnsmasq 's ipsets work fine for me with an OpenVPN connection for routing addresses...: https: //forum.openwrt.org/t/mwan3-rules-with-ipset, There is a setting on Tools / Other Settings change... Out of date I use dhcp on opewrt router so the DNS is served by router not! See your config files also, it would be interesting to see your files... There is bug filed for dnsmasq https: //forum.openwrt.org/t/mwan3-rules-with-ipset, There is a setting on Tools / Other Settings change...

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