Port Forwarding and Firewalls This section covers configuration of Port Forwarding with client or server-side firewalls. Port forwarding Port Forwarding is used in situations where you want all data encrypted, no session timeouts, or simple firewall setup. Port forwarding and the client-side firewall This section details how to configure port forwarding with a client-side firewall. Port forwarding and the server-side firewall This section details how to configure port forwarding with a server-side firewall. Automatic Port Forwarding fgltty now supports automatic port forwarding for SSH connections.