If users cannot connect to the Firebox over TCP 443, one possible solution is to change the port or protocol. By default, Mobile VPN with SSL operates on the port and protocol used for encrypted website traffic (HTTPS) to avoid being blocked.Īnother main advantage of SSL VPN over other mobile VPN types is that you can change the port as well as the protocol (UDP or TCP). Other mobile VPN types on the Firebox use specific ports and protocols that are blocked by some public Internet connections. If you need to change the default port or protocol for Mobile VPN with SSL, we recommend that you choose a port and protocol that is not commonly blocked. How to Choose a Different Port and Protocol Mobile VPN with SSL traffic is always encrypted with SSL, even if you use a different port or protocol. If you have an additional external IP address that does not accept incoming TCP port 443 connections, you can configure it as the primary IP address for Mobile VPN with SSL. The Firebox protects a Microsoft Exchange server with Outlook on the web (Microsoft Outlook Web Access) configured.The Firebox protects a web server that uses HTTPS.If you try to configure the Firebox to use a port and protocol that is already in use, you see an error message.Ĭommon network configurations that require TCP 443 include: The default protocol and port for Mobile VPN with SSL is TCP port 443, which is usually open on most networks. Choose the Port and Protocol for Mobile VPN with SSL
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