man: describe --bpf option of ss

This option has been recently added to ss utility.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
This commit is contained in:
Nicolas Dichtel 2013-05-24 14:25:41 +02:00 committed by Stephen Hemminger
parent b0f01cf60e
commit f3c2f91e22
1 changed files with 3 additions and 0 deletions

View File

@ -57,6 +57,9 @@ Print summary statistics. This option does not parse socket lists obtaining
summary from various sources. It is useful when amount of sockets is so huge
that parsing /proc/net/tcp is painful.
.TP
.B \-b, \-\-bpf
Show socket BPF filters (only administrators are allowed to get these information).
.TP
.B \-4, \-\-ipv4
Display only IP version 4 sockets (alias for -f inet).
.TP