There's some misleading information in --help and ss(8) manpage about TCP-STATE named 'listen'. ss doesn't know such a state, but it knows 'listening' state.
$ ss -tua state listen ss: wrong state name: listen $ ss -tua state listening [...] Addresses: https://bugs.debian.org/872990 Reported-by: Pavel Lyulchenko <p.lyulche...@gmail.com> Signed-off-by: Andreas Henriksson <andr...@fatal.se> --- man/man8/ss.8 | 4 ++-- misc/ss.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/man/man8/ss.8 b/man/man8/ss.8 index 81de69de..3bec97f0 100644 --- a/man/man8/ss.8 +++ b/man/man8/ss.8 @@ -153,14 +153,14 @@ Available identifiers are: All standard TCP states: .BR established ", " syn-sent ", " syn-recv ", " fin-wait-1 ", " fin-wait-2 ", " time-wait ", " closed ", " close-wait ", " last-ack ", " -.BR listen " and " closing. +.BR listening " and " closing. .B all - for all the states .B connected - all the states except for -.BR listen " and " closed +.BR listening " and " closed .B synchronized - all the diff --git a/misc/ss.c b/misc/ss.c index 34c6da54..c197e075 100644 --- a/misc/ss.c +++ b/misc/ss.c @@ -3922,11 +3922,11 @@ static void _usage(FILE *dest) " -F, --filter=FILE read filter information from FILE\n" " FILTER := [ state STATE-FILTER ] [ EXPRESSION ]\n" " STATE-FILTER := {all|connected|synchronized|bucket|big|TCP-STATES}\n" -" TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listen|closing}\n" +" TCP-STATES := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|closed|close-wait|last-ack|listening|closing}\n" " connected := {established|syn-sent|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" " synchronized := {established|syn-recv|fin-wait-{1,2}|time-wait|close-wait|last-ack|closing}\n" " bucket := {syn-recv|time-wait}\n" -" big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listen|closing}\n" +" big := {established|syn-sent|fin-wait-{1,2}|closed|close-wait|last-ack|listening|closing}\n" ); } -- 2.11.0
