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| Options: -n, --numeric 显示数字格式而非服务名称 -r, --resolve 解析主机名 -a, --all display all sockets -l, --listening display listening sockets -o, --options show timer information -e, --extended show detailed socket information -m, --memory show socket memory usage -p, --processes 显示进程信息 -i, --info show internal TCP information -s, --summary 显示汇总信息 -b, --bpf show bpf filter socket information -E, --events continually display sockets as they are destroyed -Z, --context display process SELinux security contexts -z, --contexts display process and socket SELinux security contexts -N, --net switch to the specified network namespace name -4, --ipv4 display only IP version 4 sockets -6, --ipv6 display only IP version 6 sockets -0, --packet display PACKET sockets -t, --tcp display only TCP sockets -S, --sctp display only SCTP sockets -u, --udp display only UDP sockets -d, --dccp display only DCCP sockets -w, --raw display only RAW sockets -x, --unix display only Unix domain sockets --vsock display only vsock sockets -f, --family=FAMILY display sockets of type FAMILY FAMILY := {inet|inet6|link|unix|netlink|vsock|help} -K, --kill forcibly close sockets, display what was closed -H, --no-header 不显示标题 -A, --query=QUERY, --socket=QUERY QUERY := {all|inet|tcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram}[,QUERY] -D, --diag=FILE Dump raw information about TCP sockets to FILE -F, --filter=FILE read filter information from FILE FILTER := [ state STATE-FILTER ] [ EXPRESSION ] STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES} TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listen|closing} connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing} synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing} bucket := {syn-recv|time-wait} big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listen|closing}
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