I think you might be referring to HTTPS to the box, kindly make sure that under your PUBLIC interface (webVPN tab), you have the HTTP/HTTP management checkbox selected as without that you will not be able to do HTTPS or if SSL is giving issues then check to make sure if WebVPN is selected there.
i have the same problem at the time. I upgrade to version 4.1 and i can`t save the config. The webvpn works fine , up to the reboot. After the reboot the SSL certificate is not avalible , and i can't generate a new one.
I have made the entrys on the interface.
The last solution is a downgrade to Version 3 then i can generate a SSL certifikate and the SSL access works properly.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...