Fortigate redirect dns traffic. make sure it listens for dns service on those lo.
Fortigate redirect dns traffic. We are currently depending on WAN1 port to access the internet which is microwave link. 255. Hope this helps explain. Even if there is the source-ip configuration on the DNS settings, if the WAN interface has VRF scheme configuration, there is no DNS resolution. Enable 'Redirect botnet C&C requests to Block Portal'. 55. Jul 23, 2024 · Hello everybody, I'm working on a Fortigate 60E with FortiOS 7. FortiGate. The Redirect Action by default will go to a Fortinet Hosted Webpage. Go to Log & Report > DNS Query. This was tested on 6. Set View to Shadow. 1 and so on. The redirect portal must be an IP address. 34 next end next end Configure DNS In our DNS filter profile, we have checked the redirect checkbox and selected to fortiguard default for the ip. ### CLI sample ### Feb 11, 2015 · Similar to edit a computers HOSTS-file to redirect traffic. 55). 8 to your chosen destination DNS server. 2 and 5. example. It is possible to use any inspection mode either flow or proxy based, certificate or deep SSL Inspection. 0. Feb 9, 2018 · All DNS traffic destined for any external IP is remapped to a single DNS server you define, seamless to the user. 1-172. com" config dns-entry edit 1 set type CNAME set hostname "www. Depending on the configuration, DNS Service on FortiGate can work in three modes: Recursive, Non-Recursive, or Forward to System DNS (server). Oct 30, 2023 · This article describes the procedure to configure the proper DNS configuration when the WAN interface is configured in a VRF scheme, in order to get DNS resolution . 0/24 clients configured in an IP → Firewall → Address List, which are connecting to a DNS server at 10. This webpage displays "Web Page Blocked!". See DNS over TLS and HTTPS for details. Does anyone have any suggestions on how the following might be done on a Fortigate? Prior to 7. In 7. Mar 14, 2020 · If that internal DNS server is in a different location connected through an IPsec tunnel originating on the FortiGate, some configuration is required to let the FortiGate send DNS traffic through the tunnel properly. I have a web-server that published with http port 80. The View setting controls the accessibility of the DNS server. on the WAN side. When you enable DNS Service on a specific interface, FortiGate will listen for DNS Service on that interface. Click OK. Blocked DNS query has no response return and the DNS query client will time out. g. Set Type to Primary. If there is a need to forward a particular DNS request to a local DNS server for example, FortiGate offers a conditional forwarding feature. To configure botnet C&C domain blocking from the GUI: Go to Security Profiles -> DNS Filter and edit or create a DNS Filter. In the Security Profiles section, enable DNS Filter and select the DNS filter. This is stopping all devices on the network that do not use the DHCP provided dns server on 192. For web filter: For DNSfilter: the default block action is to 'Redirect to block portal'. Jus Sep 28, 2014 · I faced a real problem with publishing sites with my Fortigate 100D. com. com" set ip 66. To configure DNS Filter profile in the GUI: Go to Security Profiles > DNS Filter and click Create New, or edit an existing profile. Solution . DNS filter behavior in proxy mode. This is necessary as by default, FortiGate uses an outgoing interface IP for traffic, and VPN interfaces do not usually have an IP. This provides additional protection for thenetwork. you have to out-play the fortigate so speak, since any local assigned address used will overlap in the src-range. So when a client asks for a blocked website, it'll get the IP of the fortiguard portal, like 208. 8 and 8. 5 from being able to resolve. See the config below to get this to work. the WAD is able to handle DoT and DoH, and redirect DNS queries to the DNS proxy for further inspection. Oct 30, 2024 · The DNS profile will filter the DNS traffic based on the profile configuration and it blocks it with the redirect portal IP (208. 55 or click Specify to enter another portal IP. FortiGate DNS server Traffic shaping with queuing using a traffic shaping profile Redirect to WAD after handshake completion Go to Log & Report > DNS Query to view the DNS traffic that just traverse the FortiGate and the FortiGuard rating for this domain name. This will only work if the replacement server is found on the same interface as Google DNS, i. g a workaround is to eliminate the local address by breaking up the src-range and applying multiple vips Sep 6, 2018 · Scott, this is possible with a VIP. traffic from 172. make sure it listens for dns service on those lo. 11 running in our dependencies, and we try to block any connection to botnet C&C. Scope Nov 7, 2023 · HTTP traffic is defined by the port(s) configured in 'Proxy Options' (profile-protocol-options). 100. Here it is: set type dynamic set interface " wan2" set dhgrp 2 set xauthtype auto set mode-cfg enable set proposal aes256-md5 3des-sha1 aes192-sha1 set authusrgrp " VPN_Mobile" set default-gw 172. Sep 17, 2014 · Testing website is bing. It is indeed possible to redirect a query destined to the public IP address (and port) of a FortiGate to any other public IP address over the Internet. IP: <old IP> Mapped IP: <new IP> no Port Forwarding In Firewall>Policy>Policy, create a new policy for outgoing traffic (just for this one device): source IF: internal source IP: <reader' s internal IP> dest IF: wan1 dest IP Sep 16, 2024 · This article explains how to redirect all computers within the network to a specific URL upon starting of internet browsers. You can apply a DNS filter profile to Recursive and Forward to System DNS mode. 9. Oct 26, 2019 · The FortiGate DNS Filter inspects the UDP protocol on port 53 traffic that traverse FortiGate, and based on the DNS Filter profile configuration, makes the Allow/Monitor/Block or Redirect decision for the inspected traffic. 0 set dns-mode auto set ipv4 . We are migrating from Forefront TMG and there I could do this by adding aditional listener on the 443 port and redirecting whole traffic to it. When a FortiGate DNS server has been configured, refer to the steps in Applying DNS filter to FortiGate DNS server. In that way create a virtual domain/address that only exists in our internal network and can only be accessed from within the network. For details on how to configure the FortiGate as a DNS server and configure the DNS database, see FortiGate DNS server. com web page : config system dns-database edit "forward" set domain "www. The transparent conditional DNS forwarder allows the FortiGate to intercept and reroute DNS queries for specific domains to a specific DNS server. It redirects the browser to the Fortinet Secure DNS service portal IP 208. Click Apply. 8 I want that DNS packet to be redirected to 184. 171. 58 NEXT I want to redirect DNS traffic fro May 13, 2020 · The botnet C&C domain blocking feature can block the botnet web site access at the DNS name resolving stage. May 12, 2014 · Let say we want to redirect certain traffic from an IP range or subnet to a specific IP address and a specific port. To configure DNS Service on FortiGate using GUI: Go to Network > DNS Feb 14, 2023 · Hello, We have a fortigate FortiGate v 6. This is the current configuration - My DHCP server is the FortiGate and it is directed to a DNS server at my network. Aug 28, 2022 · For now from the above description, I would assume you are wanting the FortiGate to forward all internal traffic (DNS traffic) heading to wan interface take a different route and reach your internal server that is on one of the other interfaces of the FortiGate. Solution. 58 Jun 19, 2023 · FortiGate, FortiGuard. It means, DNS filter block-action: redirect has replaced the DNS response. 8. When the guest tries to This example scans DNS traffic traversing the FortiGate. DNS Action has the option of Block or Redirect. bing. 58) If a client on the 10. I have added a lan-wan policy on my fortigate 30E that blocks all DNS udp/53 requests to the internet. com) if redirect portal IP is set to FortiGuard default in the DNS profile settings. Below are the commands to view the option under block-action: config dnsfilter profile edit <DNS profile name> set block-action redirect For details on how to configure DNS Service on FortiGate, see the FortiGate System Configuration Guide. 112. I have a bunch of 10. This is the same as FortiGate working as a transparent DNS Proxy for DNS relay traffic. As the client is using the FortiGate as its default gateway, requests will first hit the regular firewall policy, and then be redirected to the transparent proxy policy. fortinet. 2 logs returned. The default behavior of the DNS filter profile for block action is redirect. 4. If DNS translation is configured, the FortiGate unit rewrites the payload of outbound DNS query replies from internal DNS servers, replacing the resolved names internal network IP addresses with external network IP address equivalents, such as a virtual IP address on a Feb 9, 2018 · I know I can DENY all outbound DNS traffic to port 53 tcp/udp and then just add an allow for our vendor's DNS servers. In cases where the DNS proxy daemon handles the DNS filter (described in the preceding section) and if DNS caching is enabled (this is the default setting), then the FortiGate will respond to subsequent DNS queries using the result in the DNS cache and will not forward these queries to a real DNS server. Apr 29, 2021 · 3rd , your next option is. 0 network changes their DNS on their machine to any address like 8. Does anyone have any suggestions on how the following might be done on a Fortigate? Apr 11, 2011 · Hi, to achieve a destination NAT you define a VIP like this: Firewall>Virtual IP>Virtual IP Create New Name: readerVIP Ext. I need to redirect all http trafic to https. Nov 27, 2014 · 5) Specify a redirect page (optional). To configure transparent proxy in the CLI: Configure a regular firewall policy with HTTP In this example, the Local site is configured as an unauthoritative primary DNS server. 0/24 in my case), because the FortiGate will intercept the DNS traffic from local to external and DNAT it, which gets both blocked and would create a loop anyway even if it would get allowed (I didn't manage to allow it by the way). I've a doubt about how the UTM works: Let's focus on DNS Queries. Does Fortigate have any DNS redirect capabilities so I can force the clients to use the DNS servers I want them to use. Jun 2, 2012 · You can configure and use FortiGate as a DNS server in your network. This is working well but I have a numbe Nov 28, 2018 · This will redirect all requests to Google DNS to the other DNS. Apr 28, 2017 · This article describes how to set up a FortiGate as a DNS Conditional Forwarder. However, my vendor recommends redirecting all DNS traffic - which does sound like a more elegant solution if the FortiOS can handle it. 255) destination ports: from 53 to 53 Force traffic to: interface Wan2 Gw Adress (the gateway corresponding to WAN2). Example Aug 16, 2022 · Hi Please see below. edit: exactly like u/HappyVlane described. Mar 1, 2013 · One way to do it (very brute force, but it should work) would be to create virtual IPs for those external DNS servers, and point then to your DNS servers. The same results will be also when doing a DNS query to use the DNS configured on the WAN interface: Once a DNS filter is configured, it can be applied to a firewall policy, or on a FortiGate DNS server if one is configured. You can apply a DNS Filter profile to Recursive Mode and Forward to System DNS Mode. In the server’s response traffic, when the internal DNS name www-internal. Block. 210 set ipv4-end-ip 172. This is the same as the FortiGate working as a transparent DNS proxy for DNS relay traffic. Note: Make sure that the local DNS server has the valid DNS records. To configure DNS service in the GUI: Redirect DNS traffic . You can try the following as a guide. 16. Solution: DNS filter can be applied over FortiGuard Category Based Filter and Static Domain Filtering under DNS filter. The DNS filter profile blocks the education Jan 24, 2012 · Thanks I don' t understand what' s wrong with the current configuration. If the DNS query domain will be blocked, FortiGate will use portal IP to replace the resolved IP in DNS response packet. com appears in the client’s request’s HTTP Host: header, it should be rewritten to www-internal. To enable DNS server options in the GUI: Go to System > Feature Visibility. com" set canonical-name "www. 1. The pihole is configured to use cloudflared DoH for added security. 2. 121. There are logs for the DNS traffic that just passed through the FortiGate with the FortiGuard rating for the domain name. You know 8. All DNS traffic destined for any external IP is remapped to a single DNS server you define, seamless to the user. 10 tcp/1234 should go to 192. For example, a guest walks into meeting room with a laptop, connects to the "Unprotected WiFi" which is the gateway controlled by the FortiGate. Interface: internal Type: Static NAT Ext. com, which will redirect to Fortinet. 10. 6. 200. The Redirect Action can be changed to a custom defined IP address via the CLI . 1 tcp/5678 Now we' re not talking anymore about UTM, Squid, WCCP or whatever. Redirect Portal IP. This way, when pointing to the FortiGate's public IP address, a remote device will answer on its behalf. I have a new 4G device, which i would like to connect to FortiGate WAN2 but use it only for windows update downloads. To apply DNS Filter profile to the policy in the GUI: Go to Policy & Objects IPv4 Policy or IPv6 Policy. This is desired and Prior to 7. FortiGate DNS Filter has the following features: Oct 6, 2022 · I know I can DENY all outbound DNS traffic to port 53 tcp/udp and then just add an allow for our vendor's DNS servers. FortiGate as a DNS server also supports TLS and HTTPS connections to a DNS client. 0, DoT and DoH traffic silently passes through the DNS proxy. In the DNS Database table, click Create New. Scope . We've got a policy with 2 Security Profiles: DNS Filter redirects botnet C&C requests to Block Portal and uses Fortiguard Based Filter, where Malicious Websites, Phishing sites, spam URLS and Newly X Domains are also redirected to Block Portal. 55 (fortinet-block-page-55. To check the DNS filter log in the CLI: #execute log filter category utm-dns # execute log display 2 logs found. There is no dedicated "DNS redirect" feature, but you can use the standard VIP/DNAT feature to DNAT for example queries destined for 8. In the following basic example, a DNS filter is created and applied to a firewall policy to scan DNS queries that pass through the FortiGate. 8 or 1. 254 set ipv4-start-ip 172. 0/24) to DNS (outside 184. As you can see, in the last 24 hours, there is no security issue, but only some "Redirect" (that I think are not a problem, correct me if I'm wrong). 180. Then create a route in the fg to point to the pihole lan ip and allow those sp Aug 5, 2015 · This articles describes how to redirect public service query to a remote location. If the particular record resolves to FortiGate DNS block IP 208. Let's fo Feb 29, 2024 · For this solution, the following policies are in place for traffic: DMZ to internet: For this specific demand, it is possible to have a policy to allow only the DNS traffic (UDP 53) which permits the Recursive DNS to forward the queries to the forwarder. 2 FortiGate: Solution: The HTTP block page will be displayed properly for the web filter security profile, not for the DNS filter. When the site is in SSL, then the browser will generate a warning that the nam May 2, 2020 · If the action is set to 'Redirect to Block Portal' for any domain then performing the 'nslookup' for that domain will give the IP 208. 220 set ipv4-netmask 255. Sep 19, 2019 · I will like to forward all DNS queries at my network to go through a safer DNS server like 9. Traffic for any other ports will be forwarded to the regular firewall policy. Go to Log & Report > DNS Query to view the DNS traffic that just traverse the FortiGate and the FortiGuard rating for this domain name. To apply DNS Filter profile to the policy When the external DNS name www. 5. Enable DNS Database in the Additional Features section. By default, DNS server options are not available in the FortiGate GUI. 4 are Google servers. Configure the settings as needed. To configure a DNS filter profile in the GUI: DNS filter behavior in proxy mode. We just need to forward specific traffic and do port translation. To configure FortiGate as a primary DNS server in the GUI: Go to Network > DNS Servers. DNS filters also support IPv6 policies. Oct 19, 2022 · Enter the domain name. I tried to connect the 4G link to WAN2 Hello , was this resolved? i guess one way to trick those devices with hardcoded DNS would be to create a loopback address on the pihole with 8. com appears in the Location: header, or in hyperlinks in the document body, it must be rewritten. com" next edit 2 set hostname "www. Can I do this with Fortigate 100D? May 25, 2022 · I want to redirect DNS traffic from subnet (inside 10. e. In general traffic to the transparent proxy will hit the regular firewall policy first and then it will be redirected to the transparent proxy policy. To check the DNS log in the CLI: #execute log filter category utm-dns # execute log display 2 logs found. 72. x, you will have to test on your older firewall firmware revisions. DNS This cannot overlap with the network/IP of the local DNS server (10. Currently I have LAN -> WAN policy that is blocking all traffic destined for the DNS service. Jun 2, 2015 · No special configure is required on the client to use FortiGate transparent proxy. In the following examples, the FortiGate inspects DNS queries made over DoT and DoH to a Cloudflare DNS server. You can use the default portal IP 208. LAN to DNS: Permit internal DNS queries to a DNS Server with UDP port 53. 6 . Feb 27, 2018 · Hello Everyone, We have FortiGate 140D with OS 5. 91. 55: FortiGate Jan 5, 2016 · This article describes how to manipulate the outbound DNS reply when both the DNS server and the resolved IP is in lan. After you have created the DNS Filter profile, you can apply it to the policy. If you want to redirect to a different interface ('internal' or 'dmz') then you will have to use a Policy Route plus VIP. Aug 12, 2022 · Hi All I have a pihole server on my network that is responsible for all DNS and DHCP. FortiGate DNS server Traffic shaping with queuing using a traffic shaping profile Redirect to WAD after handshake completion Feb 27, 2008 · Now I want to redirect only DNS traffic from server though WAN2 I create a policy route like protocol: 0, inconming interface: internal source address: (server IP address/255. To configure DNS service in the GUI: Feb 26, 2008 · Now I want to redirect only DNS traffic from server though WAN2 I create a policy route like protocol: 0, inconming interface: internal source address: (server IP address/255. 238. The alternative is to cook up an applescript (since we are a design studio) that will modify each computers HOSTS-file but that seems a bit blunt to me. The DNS filter profile blocks the education May 26, 2022 · I want to redirect DNS traffic from subnet (inside 10. 168. e. This article focuses on the block options available in DNS filter. stuit lloic gbo zdjir hsvfd dkea dfhluk bvlbhz twhvw zgvrkh