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https://github.com/chubin/cheat.sheets
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31 lines
815 B
Plaintext
31 lines
815 B
Plaintext
# ss
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# Another utility to investigate sockets
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# Options:
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# -4/-6 list ipv4/ipv6 sockets
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# -n numeric addresses instead of hostnames
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# -l list listening sockets
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# -u/-t/-x list udp/tcp/unix sockets
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# -p Show process(es) that using socket
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# Show all listening TCP ports, including the corresponding process.
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ss -tlp
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# Show a summary of all ports connecting to 192.168.2.1 via port 80.
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ss -t dst 192.168.2.1:80
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# Show all SSH-related connection.
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#
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# Documentation on the filter syntax can be installed via the following command
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# if on a Debian- or Ubuntu-based distribution of Linux:
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#
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# sudo apt-get install iproute2-doc
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#
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ss -t state established '( dport = :ssh or sport = :ssh )'
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# Display timer information.
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ss -tno
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# Filter connections by TCP state.
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ss -t4 state established
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