The wikis are now using the new authentication system.
If you did not migrate your account yet, visit https://idp-portal-info.suse.com/

Documentation/Port/500

Şuraya atla: kullan, ara

Port UDP 500 is used for VPN connections through PPTP

Also TCP 1723 is used.

Open these ports on your router for VPN through router (make sure IPSec is available)