Opnsense dns over https. But it can also import block lists.

Opnsense dns over https 1/help it shows yes for Cloudflare DoT. 10. a Enjoy the privacy and security benefits of DNS-over-HTTPS and DNS-over-TLS — the modern and encrypted DNS protocols. net or similar site, it is always my ISP's DNS server that is shown, even though I have specified Quad9 (9. https: //docs. I had previously opened a thread last spring when DNS over TLS was first available through CloudFlare and Quad9. 1), ignore remote DNS Servers. With that configuration the only client device that will show up in the NextDNS GUI is OPNsense itself which is the way I wanted it. It correctly chooses the Opnsense box for both gateway and DNS. net There are many more valuable sources, the ones I use are mentioned in my manual (Block DNS over HTTPS (DoH), using pfsense). 1_2-amd64 FreeBSD 13. Soon as I do that, no internet access. There's an internal domain setup at each site, and for queries to site A's internal domain I want to direct unbound on opnSense at Site B to query site A's DNS and vice-versa, the overrides are set up and working but there's an issue. 3:443 serving content via test. 3, traffic goes directly to internal server; External users: My external DNS server says test. dns. Mozilla Firefox. Let us see how to configure OPNsense with DNS Over TLS (DoT) to increase your privacy and sec i wanted to ask about what exactly you will get when enabling DNS over TLS/HTTPS on unbound or adguard "without" using SSL certificates. If I manually change just the DNS on the desktop PC to 1. It seemed to work fine for a short period of time and then I start getting these errors and the unbound service stops running. Would like to know what shall be entered under the setting under Unbound: "Verfiy if CN in certficate matches" for Cloudflare DNS? Also, the setting is terribly misspelled. I got OPEN Nat on my Xbox without having UPnP installed. how do I use magic dns with my current setup so that I can access my current hostnames when connected to tailscale and nextdns. You (like mobile devices) connects through "secure DNS", basically DNS over TLS or HTTPS. DNS over HTTPS (DoH) is a protocol designed to encrypt DNS queries, bolstering network security by preventing eavesdropping and DNS-based attacks. If you have an account, sign in now to post with your account. This document describes a method to prevent (block) clients on your network to use DoH. 1t 7 Feb 2023 Package Versions: R P M Last question, on my setup I have nextdns on port 853 and I can see under sensei (Zenarmor) The traffic and see encrypted. But just to be clear: the long term goal would be to support DNS-over-(TLS/HTTPS) on all links, that is "DNS-over-HTTPS" (9) - still in draft, but supported by both 1. Sensei uses port 443 which is Dns over HTTPS and I can see blocks in there from them. If anything else is needed then OPNsense should assume sensible defaults, and not trouble the user about them. In "Services: Unbound DNS: General" I have enabled DNSSEC Support. As implied by the name, this is done by sending DNS messages over TLS. Should I be in any I configured Unbound plugin with DNS over TLS and set Piehole in a LXC container to work as a DNS resolver and DHCP server in the LAN side. It is a fork of pfSense firewall, and pfSense was forked from m0n0wall software. The DNS in general is just what the firewall itself uses for resolution. (see attached screenshot) How do I get OPNsense to use 9. I also have a Windows Server, which is a DC (and other roles too). 1/32 as Network Address. 4) to specify the hostname for DoT DNS servers with the web gui (Services > Unbound DNS > Miscellaneous > DNS over TLS Servers)? At the moment I have specified the DoT servers under Services > Unbound DNS > Custom Options (e. com IN A 10. 1 has also some other names which I do not remember. OPNsense Versions: QuoteOPNsense 23. After setting up opnsense I decided to install adguard (on the opnsense host itself) - the same as I was previously doing on openwrt before switching over. DNS-over-TLS. First we are going to remove any DNS servers from the routers configuration, and make sure the router gets looped back to itself This article is a slightly re-written version of the June 2022 version. I have been using it since it was added and have had no issues with NextDNS. I use Squidguard and block a list of DoH domains, many servers are in different countries. com 1. Enforces loading the web GUI over HTTPS, even when the connection is hijacked (man-in-the-middle attack), and do not allow the user to trust an invalid certificate for the web GUI. This is what I use. This plugin supports OPNsense is a free and open-source firewall and routing engine. Firefox can be configured to use OpenDNS as a custom DNS over HTTPS provider. Windows server tries to access the root dns servers. In my previous rig I've relied on dnsmasq and stubby DoT, but I'm trying to setup Unbound and getting confused. You can post now and register later. For Encryption = Go To Top of AdGuardHome WEB GUI - Settings > Encryption settings the follow instructions ( a ) - enable Encryption - check the Box Hi, I'm new to the world of encryption and ad-blocking and I have a very basic doubt. I'm new to opnsense and I will receive my hardware (N5105/8Gb RAM, Basically what I would like to achieve is to use standard DNS like CloudFlare (1. Your devices may be using secure DNS (DNS over TLS (port 853) or DNS over HTTPS (port 443)), so filtering port 53 may not be of much use nowadays. In my previous blog posts we configured Stubby on GNU/Linux and FreeBSD. This doesn't seem like it should be that big of a deal, but it seems like maybe the opnsense gui doesn't support it. I would guess both your opnsense admin interface and the adguard admin interface are running on port 443. I would recommend you do. OPNsense version: 23. At least according to this test: https://1. yes but, i cant put the internal dns on the wan side because then the forwarders of the dns server internal go to loop. Uncheck Allow DNS server list to be overridden by DHCP/PPP on WAN. Quote from: tuto2 on August 18, 2022, 09:50:50 AM 3 -Opnsense - System - Settings -General DNS Servers: empty Untick: Do not use the local DNS service as a nameserver for this system Untick: Allow DNS server list to be overridden by DHCP/PPP on WAN 4 - Services – DHCPv4 – [LAN] : DNS Servers all empty 5 – Opnsense – Services - Unbound DNS – General Tick: Enable Unbound ( Listen Port I'd suggest searching for "opnsense Unbound as a forwarding DNS" and "opnsense Unbound as a resolving DNS" and see which way you want to proceed. Hi, the field Verify CN was added . 8 853 dns. 10 Production Series DNS over TLS => no DNS resolving at all (with Unbound), why? 3) Zenarmor tick rule to block DNS over TLS (Zenarmor has a logging interface automatically) 4) Zenarmor tick rule to block DNS over HTTPS 5) LAN rule to block 8853 UDP out (Dont bother logging any chrome browser will trigger log). Another is DNScrypt-proxy. 1@853 it doesn't work, there is no request on the 853 port and everything in port 53 is clear. I enabled unbound and added the custom settings from this article to enable dns over tls on 1. For example if you're using 1. nslookup pornhub. google. Is there a howto for it or a better hardened privacy method? Sorry for the greenhorn intrusion. 0. 1, nor does external DNS resolution (Google Thus asking your OPNsense DNS might provide slightly different results, depending on its own cache. 9. This protects the content of DNS queries and also makes sure that DNS is delivered via the expected servers. The list you are referring says, quote, These DoT resolvers are at a base url, so blocking these providers may block regular web access to these services , unquote, which is wrong, DoT works on port 853, the best way to block Dot is simply re: solved (dns privacy project) dns over tls with getdns+stubby opnsense ports « Reply #15 on: October 27, 2018, 12:18:43 am » just to let people know, if you upgrade to latest version of opnsense you will looe stubby. 1/help I run Zenarmor in OPNsense, and also NextDNS in Unbound as DNS over TLS. Use only that one address. Only DHCPv4 and it will be set to the IP address of pi-hole. 1/help Can anyone tell me and/or show me how to get DNS over TLS working with the Google DNS servers with OPNsense? To ensure a validated environment, it is a good idea to block all outbound DNS traffic on port 53 using a firewall rule when using DNS over TLS. There are still other way the devices and bypass such as DNS over HTTPS. Thank you! In AGH Upstream I have added Opnsense IP over 8383 I just tried to test y enabling parental control and safe browsing. I notice in Zenarmor one HOWTO - Redirect all DNS Requests to Opnsense - Page 8. I've successfully installed the CLI version of NextDNS on my OPNsense router, but I'm having I have not set a DNS server in "Services: DHCPv4: [LAN]" or in "System: Settings: General". io”). Unfortunately DNSCrypt has not been standardized yet, and some of the ways it uses A checkbox to enable or disable DNS over TLS; A textbox with a list of servers capable of receiving DNS over TLS queries (and/or alternately, checkboxes to enable or disable certain popular and well-known servers) And that's ALL. DNS, DNSSEC, DoH, and DoT traffic is allowed from Piholes outbound to external DNS servers (using above alias) DNS, DNSSEC, and DoT are blocked outbound for all other devices (via port) Opnsense forwards all DNS requests it receives (port 53 only) to Pihole servers All HTTPS traffic to external DNS servers is blocked (using above alias) 3) Zenarmor tick rule to block DNS over TLS (Zenarmor has a logging interface automatically) 4) Zenarmor tick rule to block DNS over HTTPS 5) LAN rule to block 8853 UDP out (Dont bother logging any chrome browser will trigger log). 8 Needed to set it back to dhcp. Details and instructions are available from Mozilla. 1) or any other DNS service And I wanna stop my ISP overriding the DNS servers. Thank you! Keep in mind that it doesn’t redirect any DNS that’s encrypted but a majority of your DNS requests will be directed. This is a limitation I could not overcome. If clients were to not use your OPNsense as a DNS server (they do not honor the DNS Server provided in the DHCP offer), you could do NAT Port forwarding from your LAN interface and redirect every traffic (UDP/TCP) destined for !LAN@53, to be redirected to This tutorial will show you how to force all DNS querys to go through Opnsense router regardless of DNS servers specified on the local system. 9) under system -> settings -> general. g. Should I be in any way concern that I have both DOH and DOT enabled on opnsense as I can see I have a pretty decent protection buffer while not Hi All, Hopefully an easy one, I've got an IPSec tunnel connecting two sites, that side of things is working, but there's one niggle. So no DNS overrides/registration can be performed. 6) LAN rule to block 443 UDP out (Dont bother logging any chrome browser will trigger log). I am not sure if OPNsense has built in functionality but perhaps there is a plugin. I tend to enable encryption when possible, so I force HTTPs traffic for admin interface, and I have enabled DNS over HTTPs (DoH), over TLS (DoT) and over QUIC (DoQ). 9@853. As far as I understand this, when you send a query to OPNsense DNS and you get a cache hit, the response can be different from what Google DNS would reply to you. Resolver on the internet often use ports like 443, 4443, 5443 or If you are installing DNS OVER TLS using GETDNS and STUBBY for the first time then getdns-1. External queries over TLS 853 to ones you specify. or I hope you all are doing well. But it can also import block lists. (Resolving is full fledged dns in your LAN. com with the ZFS community as well Block DNS over HTTPS (DoH) What do you think about this is it possible to integrete in opnsense :? Share Add a Comment. Hi minime, You can override external domain entries with 127. Members Online • Even with those upstream servers I added, whenever I go to https://1. 8. I just started looking into this with one. Log in; Sign up " Unread Posts Updated Topics. I use separate tools (Zeek, Influx & Grafana) to track/report on all my internal DNS queries. There is however another way. Click Add DNS Server and repeat the previous step as needed for each available DNS server. Everything works fine as long as I use IPv4 forwarder addresses in the Services->Unbound TLS->Misc which I put eg in the form 9. I've encountered an issue with my OPNsense setup that I'm hoping some of you can help me solve. 1 ) in Opnsense in System-Settings-General - No need to make port forward rules to forward all DNS (Port 53) traffic to AdGuard - No need to set dns servers to DHCP DNS over HTTPS - DNS over TLS: Option 1: - In Opnsense - Unbound - Miscellaneous set the desired dns Currently "Enable Forwarding Mode" will not consider that upstream servers might be DNS-over-TLS or DNS-over-HTTPS aware. DC forwards set to opnsense 53. August 03, 2020, 10:46:11 AM #8 Last Edit: August 03, 2020, 10:48:37 AM by Re: DNS over TLS - Tutorial ? « Reply #3 on: January 28, 2019, 05:41:26 pm » if there is any traffic on port 53 one of your clients is not using your opnsense dns Hello Opnsense Team, Is Unbound DNS over Quic support in the roadmap? Unbound would need to be compiled with quic support. It explains how DoH (DNS over https) can be blocked with OPNsense using FQDN (fully qualified domain name) lists which is an undocumented feature in OPNsense. How do I do that? any help is appreciated. 1 853 cloudflare-dns. 5 - Opnsense - Services - Unbound - Dns Over Tls Set the desired dns servers, ej, Cloudflare: Server IP: 1. It explains how DoH (DNS over https) can be blocked with OPNsense using FQDN (fully qualified domain name) lists which is an undocumented feature in You can use Unbound in forwarding mode and it's basically similar to dnsmasq (needing an upstream DNS resolver), but you have the option to use DNS over TLS when communicating I've been trying now for a while to setup unbound on my sense to use DNS over TLS but I can't get it working. DNS over TLS (DoT) is a security protocol that utilizes Transport Layer Security (TLS) to encrypt DNS traffic and is one of the most common DNS security solutions. First is to add the dns entries of all the nameservers you can find to your DNSBL. r/opnsense. OPNsense https://opnsense. I might block all dns over https(not implemented). DNS Rebind Check. - It is not necessary to activate the internal opnsense dns ( 127. forwarder is a 'local dns' but its not doing any actual resolving, just passing on the requests upstream to another dns) Both have their own advantages/disadvantages. It would be amazing to have DNS-over-TLS support i Opnsense. Firefox and other browsers are defaulting to using this and sending the dns to their OPNSense Setup Secure Unbound DNS configured with DNS over TLS (DoT) Updated: 3/31/21 . DNS over HTTPS (DoH) is a protocol for performing remote Domain Name System (DNS) resolution via the HTTPS protocol. 8:443 (both UDP and TCP). dnsX. It's not too hard to configure the firewall and NAT rules yourself. 7 using Unbound, it’s nativity supported without any other plugins or text editing required. Kids are doing a lot of school work online and I'm trying to setup parental controls (CloudFlare 1. Some firewall rules enforce usage of AdGuardHome as DNS server, and disable 443 on udp. 7. I've watched some tutorials on how to configure the unbound settings but the Hello! Today I dealt with the topic of DNS over TLS and got it to work with Cloudflare DNS. All of these are based upon industry strength FreeBSD operating systems. I now want to use my Windows server as my DNS server for all the devices connected to my OPNsense router. i wen't back to basics and went one step at a time, kept track of every action and tested every option. So, DNS is working fine and I can see the DNS traffic through firewall (Log Files->Live View), but when I set the OPNSense to act as a gateway in the computer, no HTTP/HTTPS traffic goes back from the WAN, just DNS and NTP/NTS. Ensure “Allow DNS server list to be overridden by DHCP/PPP on WAN” and “Do not use the local DNS service as a nameserver for this system” are unchecked. 1 Server Port: 853 Also, if using opnSense API to register DNS or make changes to it, this won't work anymore. Good morning, I am on 20. But recently I discovered this https: Apart with this the current focus I would like to have is try to config how can i use DNS over TLS with NextDNS because every time I turn on Steps for using DoH with OpenDNS will depend on your browser and operating system. Unbound - DNS over TLS 8. 5 ️ Step 2: Deploy NextDNS on OPNSense. But I don't have unbound or any other resolver running on OPNsense anyway. In "Services: Unbound DNS: DNS over TLS" i have configured 4 Quad9 DNS servers. 8 broke DNS using unbound with DNSSEC enabled. By doing so, running DNS over TLS with Stubby and GetDns will keep your VPN provider from spying on your encrypted DNS look ups - and also your DNS providers both the ISP ( replaced by encrypted Stubby ) and your Encrypted TLS DNS Service Provider will see your IP as the one from your encrypted tunneled VPN provider. This makes the firewall Unbound - DNS over TLS 8. OPNsense Forum English Forums 24. max-it. Internal DNS unencrypted 53. 1 as I configured Unbound plugin with DNS over TLS and set Piehole in a LXC container to work as a DNS resolver and DHCP server in the LAN side. DNS over HTTPs (DOH) Blocklist . This could add DNS servers to the configuration which do not support DNS over TLS. I wanted to see if we could get the default Unbound instance in OPNsense to use these new DNS encrypted and privacy oriented DNS providers. This will redirect anything going through 53 to the router itself. Stubby is a small dns resolver to encrypt your Hello everyone, When I go to ipleak. I've tried the new DNS over TLS function present in Miscelaneous but with 1. Trying to setup DNS over TLS with cloud flare but the unbound DNS service won't start. 1. I have a router running OPNsense, an internal DNS server (AdGuard Home), and a web server at 10. One strength of Unbound is easily integrating DHCP hostnames (and other locally configured DNS) with block-lists. Maybe that means that CF is the fastest Reply reply DNS over TLS upvote DNS Cache: ON DNS over TLS to following Servers. My understanding is that if you want Unbound to ONLY use DNS over TLS, you do not check the forwarding mode box, because that causes it to forward the traffic to the upstream servers listed in System: General Setup on Call out for testing DNS over TLS with the new Quad9 and Cloudflare DNS servers that have been discussed recently. 9? Opnsense has DHCP server 172. This gets a public IP for WAN and handles DHCP for my LAN. Have my DNS pointing to quad9 servers. Go to opnsense r/opnsense. You can find a lot of detail on wikipedia. However, it seems like my network has taken a hit in performance. Unbound then goes to root dns servers. I have also disabled DNS rebinding protection on OPNsense as that was preventing local name resolution from pihole including DNS-over-HTTPS and DNS-over-TLS. 1:5353 in my Adguard (that is installed on the same host with the OPNsense plugin) DNS Requests need ages to load and some pages don Try this thread for a view of how they interact https://forum. 1/1. I also run NextDNS on my iPhone (as a config profile) so all queries on that are using DoH, not DoT (as proved by going to test. System ‣ General ‣ Networking. Depends. 3. Firewall - OPNsense (was pfSense) Hypervisor - Single ESXi 7 host 24 port switch with various VLANs I use to use Pi Hole and pfBlocker but have removed all this. Create a static route for the IP address one of your preferred upstream DNS server through the VPN gateway. Since opnsense 18. DNS over TLS not only enhances The ability to do that custom DNS over TLS configuration via the GUI was added last year with the hostname field. How to configure DNS-over-TLS on OPNsense December 9, 2018 2 minute read . OPNsense If it's using DNS over HTTPs for example, you're going to have to block 8. chemlud; Hero Member; Posts 2,495; Logged; actually none, I created a new rule based on this fromthe wiki Note If the DNS servers supplied by your VPN provider are local IPs (ie, within the scope of the RFC1918_Networks Alias created in Step 8), then, as discussed in Step 8, you will need to create an additional firewall rule in OPNsense to ensure that requests to those servers use the tunnel Side note: I originally stumbled over HTTP3 in server mode, but that is a problem in itself: Nginx has support for HTTP3 only in the most current versions, which are not included in most Linux distros. Additionally, I suspect some devices such as smart TVs to fallback to DNS over HTTPS/TLS/QUIC if they notice DNS to outside is being blocked. This guide helped me: https: Setup OPNSense as Local DNS with PiHole AdGuard is a company with over 12 years of experience in ad blocking and privacy protection mostly known for AdGuard ad blocker, My dns route is client to windows server (which does dns and dhcp). My questions are. practicalzfs. The Unbound instance on OPNsense will handle local resolution since all requests go from the pi-hole to Unbound and then to the upstream TLS over DNS servers. Considering DNS over HTTPS is a thing, I would recommend moving the opnsense admin intf to a different port. In this blog article we’ll configure DNS-over-TLS with Unbound on OPNsense. 1@853#cloudflare-dns. Does "DNSSEC" mean DNS over TLS (DOT, port 853) or DNS over HTTPS (DOH, port 443) ? OPNsense docs only say to input port 53 (the DNS standard one) in the dedicated field. com is now blocked as it should be by NextDNS. quad9. Furthermore, pfSense 2. But after about 10 minutes following Wi-Fi being turned 'Off and Re Unbound, it's empty for DNS over TLS and Query forwarding; but I'm not using Unbound afaik ("enable" is unchecked in the Unbound settings). 1:53 (the local Unbound service) can be used to force these requests over TLS. Internet stopped working. com Clients DNS set to opnsense DNS. 1 and GoogleDNS As a further test, on my own desktop PC, (plugged into the switch) I changed it entirely over to DHCP. At least that's what works for me. The external dns is needed to put on the wan interface i think, because the server of the dns cannot put the external ones, only the forwarders inside dns configuration, if i put in the dns server interface then the clients of sql internal couldnt resolve Otherwise, some of your network's users may circumvent pfBlockerNG's ad blocking and pfSense's DNS server. org For the past week i've been trying to redirect DNS request to use my internal DNS. I thought it might be a problem on their side because if I test on dnsleaktest I can see the correct dns servers for the providers I've chosen. I've have unchecked "Allow DNS server list to be overridden by DHCP/PPP on WAN". DNSCrypt or DNS over HTTPS = protocol that authenticates communications between a dns-client and a dns-resolver. Can someone explain me why people would mix Unbound relying on root servers supposedly neutral, with DNSSEC which seems just slightly safer than having 1. Click the plus sign to add a new DNS server. Zenarmor try to block DNS over TLS and HTTPS. de/ MAK3SN0sense; Newbie; Posts 2; Logged; Re: Automatically create Unbound DNS entries over the API. You can use the DNSCrypt-Proxy as a full-featured standalone DNS instead of Unbound or Dnsmasq. DNS resolvers. Cover all networks — at home, on cellular, Yes, you can do the same thing with Pi-hole or A checkbox to enable or disable DNS over TLS; A textbox with a list of servers capable of receiving DNS over TLS queries (and/or alternately, checkboxes to enable or disable certain popular and well-known servers) And that's ALL. I have a pfsense router that I just implemented DNS over TLS on. Should clients query other nameservers directly themselves, a NAT redirect rule to 127. The "General configuration" shall provide an option to mark a server for those protocols and use the respective ports if no explicit port was set. For DNS under DHCP, on the LAN interface I have the router IP set as the DNS server, as I'm running Adguard Home as my DNS server on the same box. I did setup the DNS server role already on the Windows Server. Unbound can handle TLS encrypted DNS messages since 2011, long before the IETF DPRIVE working group started its work on the DoT Great initiative. 2. 1. With the Google DNS servers, however, not. Setup seems ok with AdGuard home on a RPI, a dedicated network and wifi router for kids. This thread is available here and discussed some initial configurations that we could use to enable DNS over TLS with the version of OPNsense that was currently available back then. 0/24 with no VLANS I have successfully setup Nextdns in Opnsense using unbound -> dns over tls. Regarding the cert chain issue, I can confirm that using acme plugin to generate a certificate is indeed possible. Adguard Home can work as a DNS-over-HTTPS (or DNS-over-TLS) server, which means I can use any DNS provider I want (even unencrypted ones), and if I configure things correctly (domain name and certificates) then I should have native/internal support for encrypted DNS. io. 1-RELEASE-p6 OpenSSL 1. 1 and 1. and I am trying to get DNS over TLS working with unbound. This article is a slightly re-written version of the June 2022 version. Learn how to configure the OPNsense DNS resolver to encrypt all DNS queries to protect from eavesdropping and increase your privacy and security online in this tutorial. Also sometimes browsers can use their own DNS over HTTPS configuration which may show up on that Cloudflare test page even if it’s not enabled on your router. On a couple of iPhones, in Settings>Wi-Fi>'network name'>Info>Configure DNS, all the DNS Servers are shown with the IPv6 DNS address last (just like Windows LAN). There you can provide the Common Name of the DoT server. 2 will be installed as it is the current version in the Opnsense Ports collection. one and other IMO it's best to assume things are compromised and build security in layers from there. Set DNS Resolution Behavior to Use local DNS (127. Yes, it is checked to use the system DNS in both cases and I do not have any custom dns domains, everything is per default. In this video, we'll walk you through setting up DNS over TLS using Mullvad’s secure and private DNS service within OPNsense. This tutorial will show you how to force all DNS querys to go through Opnsense router regardless of DNS servers specified on the local system. muenz@gmail. I was also able to setup tailscale on Opnsense with advertised routes. Update to OPNsense 24. I would suggest DNS over TLS which uses port 853, which will even encrypt your DNS queries. one. I'm just wondering if DNS over TLS degrades response time due to encryption or if maybe my config Is wonky The solution is to redivert all DNS traffic to Pihole. From there it passes to opnsense which then uses unbound and has a catch all rule for dns request. ryp43 Do you use always DNS over HTTPS ? Or are you using DNS via port 53 ? Thanks a lot for helping. Relief. OPNsense Forum English Forums Zenarmor (Sensei) Does the ZenArmor DNS over https also block DNS over TLS? Does the ZenArmor DNS over https also block DNS over TLS? Started Can I confirm there is currently no way (OPNsense 21. https://blog. 5 Automatically create Unbound DNS entries over the API. But now, my issue is to prevent my kids to use VPN and it seems to be challenging without full TLS Quote from: CJRoss on July 14, 2023, 02:23:23 PM There's two ways you can attempt to block DoH. This setup has the advantage that you do not need a forwarder solution for encrypting DNS requests or the usage of DNSBL. or Active work is also underway at the IETF on DNS-over-HTTP (DOH) but today the only method standardized by the IETF is DNS-over-TLS. 3) and would appreciate the help I have DoT setup differently but I have the same results on 1. 2. OPNsense contains protection against DNS If a device is using and external DNS, it's either malicious or misconfigured. de/ Massimo1993; Newbie; Posts 18; Logged; Re: DNS over TLS Servers. Or if internal DNS servers like domain controllers, client's DNS set to DC. I unchecked, force_https: true port_https: 443 port_dns_over_tls: 853 port_dns_over_quic: 784 port_dnscrypt: 0 dnscrypt_config_file: "" allow_unencrypted_doh: false R P M Last question, on my setup I have nextdns on port 853 and I can see under sensei (Zenarmor) The traffic and see encrypted. On your OPNsense firewall, you can block the DoH/DoT (DNS over HTTPS/DNS over TLS) by enabling the DNS over HTTPS application control on the Zenarmor plugin to easily lower the privacy and security risks. DNS over TLS is now working. No registration means OPNsense remains blind to the machines somewhat. DoH is standardized through IETF and standardport for resolvers is 443. Currently I have this setting on my OPNSense router to use NextDNS, and with this setting, I am able to connect to the internet with no problem. Update: 02112024 What an idiot! This morning, I looked closer and the client had a W11 static lease with a dns set to Google 8. Regarding the use for local domains, I do not see any check for that in any of the DNS configuration screens, either in unbound or system configuration. I personally use the AdGuard plugin for OPNsense to handle blocklists and use UnboundDNS for the upstream DNS lookups. 1) for the 2 first Zenarmor try to block DNS over TLS and HTTPS. Also not perfect. 8, immediately it has internet access again. I notice in Zenarmor one Hello, I've just jumped into Opnsense and first up is trying to stop the dns leaks (next will be a Wireguard server). DNS-over-HTTPS DNS-over-TLS (DoT) makes it possible to encrypt DNS messages and gives a DNS client the possibility to authenticate a resolver. I run Zenarmor in OPNsense, and also NextDNS in Unbound as DNS over TLS. io). The DNS request are reported to take only 20-40ms, so it looks like this is a problem within OPNsense, not upstream - RE-starting Unbound does not solve the problem - Re-starting whole of OPNsense does solve the problem, but only for a short amount of time - htop on OPNsense is not showing me any process that could be a problem / that would be As of OPNsense 21. OPNsense is tied to it's own package repository, which only has stuff that's been packaged for OPNsense. DNSCrypt use different ports. Is that enough or should I be able to test online Does the ZenArmor DNS over https also block DNS over TLS? Main Menu Home; Search; Shop; Welcome to OPNsense Forum. I hope you all are doing well. 4p3 supports DNS over TLS through its built-in resolver Unbound. I am interested to deny all traffic except from DNS, HTTP, HTTPS. Furthermore, IPv6 SLAAC doesn't require registration with the server. I wanna keep OpnSense as my resolver and continue to use unboundDNS I want Unbound DNS to query and cache from say CF DNS (1. 1@853 (under miscellaneous tab) but on https: Commercial Plugins (German): https://opnsense. Hello pihole community, longtime user here who's a fulltime sysadmin, part time IT director for a large nonprofit. No. nextdns. example. 1@853 and 1. 2 days ago i decided to create a new test setup on a separate VLAN and added a DNS server (i'm using PiHole with unbound). com IN A [my WAN @jknott I agree, this opens a can of worms for cyber security, just one website and one wrong web cookie could direct DoH DNS requests to a another server, I just noticed you can disable it in Chrome and on the OS side. Hi, I'm new to the world of encryption and ad-blocking and I have a very basic doubt. 9 it is possible to use encrypted DNS with the opnsense-plugin "os-dnscrypt-proxy". Code Select :1111 853 2606:4700:4700::1001 853 When I use the 127. And that page should have exactly two things: Note: I haven't clicked on the video link, I'm going by the "However are there no online tests one can use to make sure this DNS over TLS is actually in effect? I tried some web adresses for this online test but they did not show that it was working so I have really only the log file to go on whether or not it is working. 1 as your resolver in the DNS over TLS section of Unbound, use 1. 1 help for the last few weeks. I've successfully installed the CLI version of NextDNS on my OPNsense router, but I'm having difficulty enabling DNS-over-HTTPS (DoH) or DNS-over-TLS (DoT) as the protocols. I'm using split DNS like this: Internal users: My LAN's DNS server says test. List updates automatically. You just need to make sure that outside DNS cannot be reached from the to be enforced network via a firewall rule (if required) and knowing that if someone gets an IP from web search, they can still browse the blocked domains by OPNsense is an open-source, FreeBSD-based firewall and routing security software that also acts as a DNS resolver for all of your desktops and mobile devices. nl/dns-over-quic-in What OPNsense needs is a page specifically for enabling DNS over TLS, that would be used by both OPNsense itself and by any device on the local network that uses the OPNsense IP address for DNS (including devices that use DHCP to get their network connectivity information). Main Menu Home; Search; Shop I had to disable "Enable DNSSEC Support" in the unbound configuration as well as disabling the DNS over TLS servers I have configured in order for DNS traffic to be directed to my pihole instance. I would suggest disabling DNS based filtering altogether and look into Sensei/Zenarmor instead. In the world of secure online communication, configuring encrypted DNS services using DNS over TLS has become popular. 7, 24. You could block port 853 if you’re not using DNS over TLS but for DNS over HTTPS, you would have to try to block known Join the conversation. Just set the hostname to <client identifier>-<next_dns_profile_id>. To ensure a validated environment, it is a good idea to block all outbound DNS traffic on port 53 using a firewall rule when using DNS over TLS. com). If you want all your traffic to be routed via Surfshark, then select this new created interface as the outgoing interface for DNS (Unbound & any other resolver) In order for the DNS to work, you need to : check Forwarding Mode uncheck DNSSEC support Services-> Unbound DNS-> Advanced: check both Hide Identity & Hide Version Step 5 Inside a Proxmox VM I run OPNsense as a router. But now, my issue is to prevent my kids to use VPN and it seems to be challenging without full TLS inspection. Unfortunately, i can't get it to work. under unbound there is no option for dns over https(doh) as of now we have dot (dns over tls) this is a important service in my opinion, since doh masks the dns request better than dot. So I created 4 firewall rules on the WAN interface. Introduction. ergo, you are already planning for misconfigured devices; Hence redirecting is the logical thing to do. com. OPNsense doesn't resolve mDNS, however. Then i've tried to use this custom config that should work but still same thing, no DNS over TLS and nothing on 853 Hello, I've just jumped into Opnsense and first up is trying to stop the dns leaks (next will be a Wireguard server). I'm not sure I feel comfortable trying to mess with the unbound config directly if it isn't something opnsense supports. In the “DNS over TLS” section of Unbound in the OPNSense web interface, enter the NextDNS server IP addresses, port “853”, and Verify CN (supplied from NextDNS, it’s the text that looks like “XXXXXX. Go to Services -> Unbound DNS -> General Verify that ether ALL is selected or localhost with your LAN is selected. I’m not sure if I can use OPNsense for this or a remove service and wonder what you guys use? Step 8 - I strongly recommend enabled Encryption. However, in either case you can read on if you would like to learn a little about the " OPNsense release engineering toolkit ". 1 or some other tarpit IP from the built-in DNS services. VPN clients (which are on subnet 10. With Encryption AdGuard Home admin interface will work over HTTPS, and the DNS server will listen for requests over DNS-over-HTTPS and DNS-over-TLS. Reply reply thegamerface • Meanwhile figured out when I disable DNSSEC Support on opnsense then https: //1. 1 or 8. Malicious actors use DoH to hide their actions, making it difficult to identify and stop DNS-related threats Zenarmor integrates DoH protection to fortify your network security. I've noticed things buffer when they have never done so before. (3 rules Allow,1 Rule Block) 1)Allow DNS (Source WAN net, Port 53, Traffic In - Destination Any, Port Any) 2)Allow HTTPS (Source WAN net, Port 443, Traffic In - Destination Any,Port Any) Greetings OPNsense users. This tutorial will help you configure the OPNsense DNS resolver to encrypt all DNS queries in order to prevent surveillance and enhance your online privacy and security. I wish everyone a merry christmas ;) Mario bartjsmit; Hero Member; Posts 2,057; I don't do DNS on OPNsense since I was always told explicitly in firewall training that you need to minimise the attack surface of your security devices. nlnetlabs. . Both Stubby and Unbound are written by NLnet. December 02, 2021, 09:40:46 AM #2 UPDATE I discovered the issue; my Unbound service was configured to use: DNS Query Forwarding Which I disabled, this overrides the settings in the DNS over TLS pane. opnsense. If you're familiar with opnsense look into building a diy opnsense box, you'd need i5 PC with 8gb ram and a supported pci NIC. In the world of encryption, it's always safer to go with standardized protocols that have gone through a rigorous review process. As of now we have to use DNS CRYPT PROXY plug in bu Only DHCPv4 and it will be set to the IP address of pi-hole. It is a whack a mole battle, and the DoH server doesn't have to be at 443 Reply reply More posts you may like r Re: [CALL FOR TESTING] Unbound DNS over TLS without explicit CA bundle December 03, 2023, 08:12:09 PM #10 Well the egg timer just stopped so now I know that the problem with 100% CPU in one core is not related to this fix. For the cloudflare DNS server you can use one. Sort by: Should be doable in opnsense. 168. It encrypts the traffic and prevents dns spoofing or man-in-the-middle-attacks. Now I want to setup DNS over TLS and or DNS over HTTPS. Services ‣ UnboundDNS ‣ DNS over TLS. Setup Details. Services -> Unbound DNS -> Statistics -> Total: There is a counter called "Cache hits". re: solved (dns privacy project) dns over tls with getdns+stubby opnsense ports « Reply #15 on: October 27, 2018, 12:18:43 am » just to let people know, if you upgrade to latest version of opnsense you will looe stubby. Looking at the services menu in OPNSense it lists 3 options for DNS: but you have the option to use DNS over TLS when communicating with said upstream server (this encrypts your DNS traffic For immediate help and problem solving, please join us at https://discourse. Its primary purpose is to encrypt the outgoing/upstream DNS traffic using DNS over HTTPS, or the DNScrypt protocol. I'm not sure if I could catch those but my own devices don't do that so its only guest devices and I Hi Community, I am wondering if it is possible to configure unbound as a DNS over TLS server in Opnsense? I've checked the official unbound I configured forwarding to NextDNS using OPNSense's Unbound's DOT configuration (Services -> Unbound DNS -> DNS over TLS). 0/24) and routing is correct since I can access my internal sites and clients via their IP addresses, but internal DNS resolution doesn't work at all when I push my internal DNS resolver at 192. 0/32) are allowed to contact my main network (192. Can't find any option regardin DoT, i've also added to the DNS over TLS field 1. In adguard there is a My problem is that google and other data mining companies are running https dns resolvers. Main Menu Home; Search; Shop; Welcome to OPNsense Forum. Thanks to mimugmail (m. 4. Note: One DNS resolver will have to be assigned to one gateway here. hcbpn sve uxa yabwykjl jqpfar seh ioppo aajav gpjxe hbagrt