ss

linux

Utility to investigate sockets.

Subcommands (1)

Run a Shadowsocks client as a SOCKS5 proxy.

-a, --allboolean

Show all TCP/UDP/RAW/UNIX sockets

Example: ss {{[-a|--all]}} {{--tcp|--udp|--raw|--unix}}

-t, --tcpboolean

Show all TCP sockets connected to the local HTTPS port (443)

Example: ss {{[-t|--tcp]}} src :{{443}}

boolean

Show all TCP sockets listening on the local 8080 port

Example: ss {{[-lt|--listening --tcp]}} src :{{8080}}

boolean

Show all TCP sockets along with processes connected to a remote SSH port

Example: ss {{[-pt|--processes --tcp]}} dst :{{ssh}}

-u, --udpboolean

Show all UDP sockets connected on specific source and destination ports

Example: ss {{[-u|--udp]}} 'sport == :{{source_port}} and dport == :{{destination_port}}'

boolean

Show all TCP IPv4 sockets locally connected on the subnet 192.168.0.0/16

Example: ss {{[-4t|--ipv4 --tcp]}} src {{192.168/16}}

-K, --killboolean

Kill IPv4 or IPv6 Socket Connection with a specific destination IP and port

Example: ss {{[-K|--kill]}} dst {{ip_address}} dport = {{port}}

Show all TCP/UDP/RAW/UNIX sockets

ss [-a|--all] --tcp|--udp|--raw|--unix

Filter TCP sockets by states, only/exclude

Show all TCP sockets connected to the local HTTPS port (443)

ss [-t|--tcp] src :443

Show all TCP sockets listening on the local 8080 port

ss [-lt|--listening --tcp] src :8080

Show all TCP sockets along with processes connected to a remote SSH port

ss [-pt|--processes --tcp] dst :ssh

Show all UDP sockets connected on specific source and destination ports

ss [-u|--udp] 'sport == :source_port and dport == :destination_port'

Show all TCP IPv4 sockets locally connected on the subnet 192.168.0.0/16

ss [-4t|--ipv4 --tcp] src 192.168/16

Kill IPv4 or IPv6 Socket Connection with a specific destination IP and port

ss [-K|--kill] dst ip_address dport = port