The exact URL depends on your specific Firebox configuration :
Download, Install, and Connect the Mobile VPN with SSL Client
In Fireware v11.12 and later, the portal often automatically redirects users to https://[IP-address]/sslvpn_logon.shtml for the login prompt. Usage for End-Users Watchguard Vpn Url
If the VPN is configured on a non-standard port (e.g., 444), you must include it: https://[Firebox IP address or FQDN]:444/sslvpn.html
: If other features like the Access Portal or Branch Office VPN (BOVPN) over TLS are active, they may share the same port (usually 443), with specific precedence rules governing which feature "owns" the port. The exact URL depends on your specific Firebox
https://[Firebox IP address or FQDN]/sslvpn.html
: Users enter the URL in a web browser and authenticate using their Firebox-DB, RADIUS, or AuthPoint (MFA) credentials. Administrators define the that these URLs point to
Administrators define the that these URLs point to within the Fireware Web UI under VPN > Mobile VPN > SSL .