IPSec tunnel working, but no ping or DNS

  • Hi,

    I'm in the process of configuring IPSec Access on our pfSense (Version 2.3.2-RELEASE-p1).

    The connection comes up fine and I can access servers via RDP, SMB and so on.

    However, I don't get any ping or DNS replies - neither from pfsense nor from any internal server.

    I made a firewall rule that allows any traffic from IPSec to anywhere. And I configured pfsense's DNS resolver to answer on all network interfaces. Still no luck.

    Any ideas?

  • Double check you are allowing any IP traffic on the rule. It sounds like you may have selected any TCP.

  • Indeed, I had only allowed TCP+UDP. Now both work. Thanks!
    Just out of curiosity: shouldn't DNS work when TCP+UDP are allowed?

  • DNS should work if you allow UDP. Not sure what your issue was, but at least it works now.

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