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SSL (Secure Socket Layer) is a protocol to encrypt data that is sent over the Internet. The module SSL at the firewall can be used to encrypt potentially insecure traffic via SSL. For example you can offer a http server with https by using this service. The whole traffic passing this connection is encrypted and more secure than sending without SSL encryption.
The following settings must be configured to use SSL:
Example: You want to fetch your emails that are saved at an internal pop3 server from outside your network. You pop3 server does not support pop3s (SSL encryption). By using the SSL encryption of your firewall you can offer pop3s to external users and forward the requests to the internal pop3 server. The communication between the firewall and your pop3 client is encrypted.
TIP: Do not forget to set a packet filter rule for the port you have chosen to allow the incoming traffic.
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