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28 lines
820 B
Markdown
28 lines
820 B
Markdown
# socat
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> Multipurpose relay (SOcket CAT).
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> More information: <http://www.dest-unreach.org/socat/>.
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- Listen to a port, wait for an incoming connection and transfer data to STDIO:
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`sudo socat - TCP-LISTEN:8080,fork`
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- Listen on a port using SSL and print to STDOUT:
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`sudo socat OPENSSL-LISTEN:4433,reuseaddr,cert=./cert.pem,cafile=./ca.cert.pem,key=./key.pem,verify=0 STDOUT`
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- Create a connection to a host and port, transfer data in STDIO to connected host:
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`sudo socat - TCP4:www.example.com:80`
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- Forward incoming data of a local port to another host and port:
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`sudo socat TCP-LISTEN:80,fork TCP4:www.example.com:80`
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- Send data with multicast routing scheme:
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`{{echo "Hello Multicast"}} | socat - UDP4-DATAGRAM:{{224.0.0.1}}:{{5000}}`
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- Receive data from a multicast:
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`socat - UDP4-RECVFROM:{{5000}}`
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