I have been working with Fortigate for a long time now, one thing that bugged the life out of me (and most clients I work with) is that Fortigate’s SSL VPN feature would not allow you to specify certain settings per portal or group. For example DNS servers and Domain suffixes. Most firewall/router vendors have been able to do this for years and with no problem.
Starting in firmware 5.2.2 you can now specify individual DNS servers per portal! That’s right, if I have two different domains using the SSL VPN and I specify individual user groups and portals, now I can give each side their own specific DNS servers.
The DNS setting per portal is CLI only as of firmware 5.5.5 – I see this changing in future firmwares (Still has not changed in 5.4.1 either) . The modification is under the VPN – SSL – Web portal options. You can also specify individual WINS servers. This entry is written for someone who already has the SSL VPN up and working. Something to note is that these portal settings override the global DNS settings configured under
config vpn ssl web portal
edit “Sales-Portal”
set tunnel-mode enable
set ip-pools “VPN-Pool”
set split-tunneling-routing-address “SSL-VPN-ROUTES”
set dns-server1 10.60.134.5 — DNS Server 1 , Overrides global config
set dns-server2 10.60.134.6 — DNS Server 2 , Overrides global config
next
And there we have it! We then can of course associate the portal with a certain group of users, so for example Domain 1 get Domain 1’s server and same for Domain 2.
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