Chapter 25. Patron privacy and the SIP protocol


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SIP server configuration
SSH tunnels on SIP clients

SIP traffic includes a lot of patron information, and is not encrypted by default. It is strongly recommended that you encrypt any SIP traffic.

SIP server configuration

On the SIP server, use iptables or etc/hosts to allow SSH connections on port 22 from the SIP client machine. You will probably want to have very restrictive rules on which IP addresses can connect to this server.