Fortigate dns server forwarder 0 MR1 and above, and on FortiGate 100 models and below, connect to the CLI and configure the following parameters: conf sys intedit internal (or dmz)set dns-query recu The transparent conditional DNS forwarder allows the FortiGate to intercept and reroute DNS queries for specific domains to a specific DNS server. lan" DNS queries to our domain controller (10. As a resolver, the FortiGate can directly interact with root name servers, Top-Level Domain (TLD) name servers, and finally authoritative name servers to resolve DNS queries. non-recursive Public DNS database Apr 24, 2021 · How fortigate DNS setting should be configured when there is a central AD DNS server in network, all pc computers get DNS from AD DNS server, so I configured Fortigate DSN to point to AD DNS server, and on domain DNS server I configured forwarder to 8. You can apply a DNS filter profile to Recursive and Forward to System DNS mode. Dec 18, 2018 · - recursive: check local (FGT) DNS records and forward to system DNS if not found . The local system dns-db is never queried. Apr 28, 2017 · This article describes how to set up a FortiGate as a DNS Conditional Forwarder. set secondary 96. edit wifi . What we need is a bind like forwarder; You can apply a DNS Filter profile to Recursive Mode and Forward to System DNS Mode. You need a VIP on your FortiGate from an public IP to that private IP to be able to reach your DNS-server from internet. Two DNS-zones have been set up with forwarders to DNS-servers in our DC (over ipsec). In the DNS Database table, click Create New. local to the DNS forwarders or System DNS servers. When multiple DNS forwarders are specified, FortiGate follows a sequential order for resolving queries rather than distributing requests in a round-robin fashion. end # config system dns-database. Solution. Both system DNS servers point to public dns servers. local) (1) Endpoints should be configured with Fortigate as a DNS server and Fortigate to forward all local DNS domain request to DCs OR (2) Endpoints - DCs- Fortigate? Dec 21, 2021 · On the FortiGate unit, the DNS server is configured in "Forward to System DNS" or "Recusive" on the corresponding interface. For example, when a client’s DNS is located in a distant location, in order to resolve destination addresses (such as SaaS applications) to the closest application server, the FortiGate can Mar 10, 2010 · In FortiOS 4. In short: use recursive as a regular DNS zone-slave as you put it yourself. 9). Optionally, a DNS filter profile can be configured on the interface. edit Jun 9, 2015 · On the FortiGate ensure that a DNS service is also created for the interface that the users will be referencing: Go to System -> DNS Servers and create a new DNS Service. Using a FortiGate as a DNS server. Apr 8, 2022 · Hi, I am new to fortigate firewalls, I would like to use my two fortigade F100s as DNS forwarders for my network's public FQDN requests. When I send the DNS queries directly from a client to the respective server, it works Jun 2, 2016 · Using a FortiGate as a DNS server. Oct 18, 2023 · The DNS Service on FortiGate can work in three modes: Recursive, Non-Recursive, or Forward to System DNS (server), but these modes are related to choosing what type of local database the FortiGate will use instead of an iterative resolution. For example, when a client’s DNS is located in a distant location, in order to resolve destination addresses (such as SaaS applications) to the closest application server, the FortiGate can Jan 4, 2024 · All VLANs in our office have their one and only DNS server pointed to our Fortigate. Hi there -- I seem to be running into a brick wall and would appreciate some advice. - your VIP needs to forward DNS-ports (53). set primary 96. This way, all queries from the internal network are sent to the FortiGate unit and only the FortiGate unit can perform DNS queries to the Internet. Nov 25, 2024 · All DNS queries will be forwarded to the configured DNS which is under Network --> DNS. That would forward everything to your local defined dns server entries. g. If there is a need to forward a particular DNS request to a local DNS server for example, FortiGate offers a conditional forwarding feature. In DNS Forwarder Felder wird ein oder mehrere DNS Server hinterlegt, an die DNS Anfragen weitergeleitet werden, die auf der Fortigate nicht aufgelöst werden können. In the DNS Service on Interface, click Create New and select an Interface. Solution: FortiGate can be set to forward the incoming DNS request to FortiGate's system DNS and apply the DNS filter at this level only. Beispiel (CLI) Jun 9, 2015 · Note: If the authoritative is 'ENABLED', FortiGate does not send the DNS request for 'test_domain. set mode forward-only. Dec 5, 2010 · Couple of things: - first of all the IP of your DNS-server is in a private range, thus cannot be routed on internet. 2. When set to "Forward to DNS server" the client is told to send DNS requests directly to the System DNS, and you will need to set a firewall policy so the client can reach the DNS server. For example, when a client’s DNS is located in a distant location, in order to resolve destination addresses (such as SaaS applications) to the closest application server, the FortiGate can The interface mode is recursive so that, if the request cannot be fulfilled, the external DNS servers will be queried. To configure DNS Service on FortiGate using GUI: Go to Network > DNS Servers. The Recursive and The transparent conditional DNS forwarder allows the FortiGate to intercept and reroute DNS queries for specific domains to a specific DNS server. In this example, the Local site is configured as an unauthoritative primary DNS server. To configure FortiGate as a primary DNS server in the GUI: Go to Network > DNS Servers. NB it's a good idea to use the FGT as DNS proxy as DNS requests are cached. When you enable DNS Service on a specific interface, FortiGate Using a FortiGate as a DNS server. 45. What's the best practice when you want to make use of DNS filtering from the Fortigate and you have Domain controllers just for local non routable domains? (e. com' to the DNS forwarders or System DNS servers. 2 and 8. Aug 20, 2019 · One of the requirements was to have certain domains use a particular DNS server while all other traffic destined for all other domains, go straight out to 4. Aug 22, 2024 · This article describes how to configure a FortiGate DNS server with the forward-only option and working details. Scope: FortiGate. Interface: internal Mode: Recursive There are three options for DNS server mode on the FortiGate: recursive: Shadow DNS database and forward. Ist für die Zone der Authoritative Switch aktiviert, werden DNS Forwarder Einträge ignoriert und Anfragen nicht weitergeleitet. The FortiGate will iterate through these DNS servers to get the final IP address for the FQDN, as opposed to forwarding the request to external resolvers in forwarder mode for example. company. The transparent conditional DNS forwarder allows the FortiGate to intercept and reroute DNS queries for specific domains to a specific DNS server. If the authoritative is 'ENABLED', FortiGate does not send the DNS request for 'example. If dns-databse is configured with domain 'test_domain. lan". 1. I would like to make sure that if my clients ask to resolve my domain names the answers come from m Nov 22, 2023 · DNS Forwarder. Two DNS forwarders are configured, it will always use the first one. One vlan is set to 'Forward to System DNS' (vlan 40). When you enable DNS Service on a specific interface, FortiGate May 15, 2015 · config sys dns-server . 0 MR1 the DNS configuration has moved to the interface configuration. local' and this FQDN is not resolvable from FortiGate or by the user's device, make sure that the authoritative is 'DISABLED'. Note: Make sure that the local DNS server has the valid DNS records. end . 10. Basically on my clients I have configured my AD servers as DNS. Recursive DNS is set up for three vlans (10,20,30). Our intranet domain is "bz. Mar 24, 2025 · FortiGate devices can be configured to use DNS forwarders for resolving domain names. In this scenario, Fortiguard DNS servers are set as System DNS and there are no DNS forwarders: # config system dns. To avoid your users using malicious DNS you should block all DNS requests from LAN to WAN - it's the FGT which hosts should query exclusively. 8. AFAIK, FTNT does not have a means to set a domain for local query with a forward for anything else & to a defined dns-server . Clients can then use the FortiGate as their DNS server to perform DNS resolution. This is the same as FortiGate working as a transparent DNS Proxy for DNS relay traffic. For details on how to configure the FortiGate as a DNS server and configure the DNS database, see FortiGate DNS server. . When you enable DNS Service on a specific interface, FortiGate The interface mode is recursive so that, if the request cannot be fulfilled, the external DNS servers will be queried. I suspect the issue is that the FortiGate does not use the interface IP of the Jump Host VLAN to forward DNS queries, which is why the requests are not being passed through. This is called Conditional DNS Forwarding and it is supported by both the FortiGates and the FortiProxy. To enable DNS Forwarding in FortiOS versions 4. You can configure and use FortiGate as a DNS server in your network. 46. I'm trying to configure our Fortigate to forward any "bz. This was previously working on our old non-Fortigate firewall The transparent conditional DNS forwarder allows the FortiGate to intercept and reroute DNS queries for specific domains to a specific DNS server. 8 - it this good? Jan 13, 2025 · Now, here’s the problem: DNS forwarding works for Network A, but not for Network B. xybf qkjhk bddzx orscw oaz kgej tbp pxfet mhyri izjeh iepkoun voy iqc ktt wojnu