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DNS over SSL VPN

ChrisBacker

I can't get DNS to work over an SSL VPN connection I have setup on the XG 230. I can ping the DNS server but can't resolve any hostnames on the network. Assuming it's a DNS issue anyway. Anyone else run into this or have any ideas?

Thanks. 



Edited TAGs
[edited by: emmosophos at 6:03 PM (GMT -7) on 3 Jun 2021]
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  • 0 in reply to ChavousCamp

    Did you ever get this working? I figured mine out.  I had to do the following:

     

    Administration > Device Access > Turn on VPN DNS check box

    VPN > Show VPN Settings > Set IPv4 DNS to local address (192.168.xxx.xxx) and domain name to internal DNS name

    VPN > SSL VPN > Permitted Network Resources (IPv4) > Add internal network object

    Firewall > add VPN to LAN access

     

    That should do it... If you want to access external internet through the VPN add: VPN (as source with LAN) to WAN to the default policy

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  • 0 in reply to slikone27

    We were having problems with DNS on MacOS clients (tunnelblick).  Windows clients (downloaded from the portal) worked fine.

    MacOS clients were randomly working.

    We had 2 DNS server entries.  Primary as our internal DNS and secondary as public one.

    It appears either the MacOS (I suspect) or the vpn client randomly chooses which DNS to try and doesn't roll over.

    Changed both DNS servers to internal and backup internal (they forward anyway) and all DNS problems went away.

    I did not have to have the DNS checkbox on.  I did not need to set the domain name.

    ymmv