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Hitch

high performance TLS proxy

Manual section:8

Synopsis

hitch [OPTIONS] [PEM]

Description

Hitch is a network proxy that terminates TLS/SSL connections and forwards the unencrypted traffic to some backend. It's designed to handle 10s of thousands of connections efficiently on multicore machines.

Hitch has very few features -- it's designed to be paired with an intelligent backend like Varnish Cache. It maintains a strict 1:1 connection pattern with this backend handler so that the backend can dictate throttling behavior, maximum connection behavior, availability of service, etc.

The only required argument is a path to a PEM file that contains the certificate (or a chain of certificates) and private key. It should also contain DH parameter if you wish to use Diffie-Hellman cipher suites.

Command line arguments

--config=FILE Load configuration from specified file.
--tls TLSv1 (default. No SSLv3)
--ssl SSLv3 (enables SSLv3)
-c
--ciphers=SUITE
 Sets allowed ciphers (Default: "")
-e
--ssl-engine=NAME
 Sets OpenSSL engine (Default: "")
-O
--prefer-server-ciphers
 Prefer server list order
--client Enable client proxy mode
-b --backend=[HOST]:PORT Backend [connect] (default is "[127.0.0.1]:8000")
-f --frontend=[HOST]:PORT[+CERT] Frontend [bind] (default is "[*]:8443") (Note: brackets are mandatory in endpoint specifiers.)
-n
--workers=NUM Number of worker processes (Default: 1)
-B
--backlog=NUM Set listen backlog size (Default: 100)
-k
--keepalive=SECS
 TCP keepalive on client socket (Default: 3600)
-r
--chroot=DIR Sets chroot directory (Default: "")
-u
--user=USER Set uid/gid after binding the socket (Default: "")
-g
--group=GROUP Set gid after binding the socket (Default: "")
-q
--quiet Be quiet; emit only error messages
-s
--syslog Send log message to syslog in addition to stderr/stdout
--syslog-facility=FACILITY
 Syslog facility to use (Default: "daemon")
--daemon Fork into background and become a daemon; this also sets the --quiet option (Default: off)
--write-ip Write 1 octet with the IP family followed by the IP address in 4 (IPv4) or 16 (IPv6) octets little-endian to backend before the actual data (Default: off)
--write-proxy-v1
 Write HaProxy's PROXY v1 (IPv4 or IPv6) protocol line before actual data (Default: off)
--write-proxy-v2
 Write HaProxy's PROXY v2 binary (IPv4 or IPv6) protocol line before actual data (Default: off)
--write-proxy Equivalent to --write-proxy-v2. For PROXY version 1 use --write-proxy-v1 explicitly
--proxy-proxy Proxy HaProxy's PROXY (IPv4 or IPv6) protocol line before actual data (PROXY v1 only) (Default: off)
--sni-nomatch-abort
 Abort handshake when client submits an unrecognized SNI server name (Default: off)
-t
--test Test configuration and exit
-p
--pidfile=FILE PID file
-V
--version Print program version and exit
-h
--help This help message

History

Hitch was originally called stud and was written by Jamie Turner at Bump.com.