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| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Mon Jun 01 09:10:42 2020 +0000 (2020-06-01) |
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1 `sslh` accepts connections on specified ports, and forwards
2 them further based on tests performed on the first data
3 packet sent by the remote client.
5 Probes for HTTP, SSL, SSH, OpenVPN, tinc, XMPP are
6 implemented, and any other protocol that can be tested using
7 a regular expression, can be recognised. A typical use case
8 is to allow serving several services on port 443 (e.g. to
9 connect to SSH from inside a corporate firewall, which
10 almost never block port 443) while still serving HTTPS on
11 that port.
13 Hence `sslh` acts as a protocol demultiplexer, or a
14 switchboard. Its name comes from its original function to
15 serve SSH and HTTPS on the same port.