SSL VPN NOT allowing dns resolution to internal network servers

Forum|Forum|6 years ago
March 19, 2020
2 replies
3037 views

Hi there

when I SSL vpn into our work network i cannot ping the dns resolution. For example I can ping 192.X.X.X but cant ping main.server.ca . Any ideas on what I need to do on the firewall side? thanks :)

rgesche

New Member

do you have defined internal dns servers in ssl-vpn settings and allowed dns connections for vpn clients?

additional you can specify dns suffix for ssl vpn connections via cli.

BWiebe

New Member

rgesche wrote:
do you have defined internal dns servers in ssl-vpn settings and allowed dns connections for vpn clients?
additional you can specify dns suffix for ssl vpn connections via cli.

This is definitely true for tunnel-mode VPN, but for web-mode, it actually uses Network | DNS Server settings to do resolution - so if you've not defined local DNS and local domain suffix here and it's web mode, it won't work.

Silvestre_Kassoka

New Member

Hi

You need to specify your internal DNS Server on the DNS option in you SSL VPN Setup.

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