Skip to main content
dawidw
dawidw
New Member
October 30, 2018
Question

DNS Session helper

  • October 30, 2018
  • 2 replies
  • 3924 views

Welcome,

 

I have to know what affects disabling the DNS session helpers function is in Fortigate. I read on one of forum that when we have some problems with DNS, we should disable this functionality.

    2 replies

    Dave_Hall
    Dave_Hall
    New Member
    November 9, 2018

    What kind of problems are you having with DNS?  Is this related to DNS issues on the fgt side (e.g. unable to resolve/access the Fortiguard servers), or clients (devices) behind the fgt device?

      Jino_FTNT
      Staff
      Jino_FTNT
      Staff
      April 30, 2024

      if there is no UDP DNS session helper enabled is, one issue could be the FQDN Wildcard address failed to resolve when using it in Firewall Policies as explained in the below article.

      https://community.fortinet.com/t5/FortiGate/Technical-Tip-FQDN-Wildcard-address-is-not-resolved-when-using/ta-p/198509

        Terms & ConditionsAccessibility statement