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+sslh accepts connections on specified ports, and forwards
+them further based on tests performed on the first data
+packet sent by the remote client.
+
+Probes for HTTP, SSL, SSH, OpenVPN, tinc, XMPP are
+implemented, and any other protocol that can be tested using
+a regular expression, can be recognised. A typical use case
+is to allow serving several services on port 443 (e.g. to
+connect to SSH from inside a corporate firewall, which
+almost never block port 443) while still serving HTTPS on
+that port.