man: describe --bpf option of ss

This option has been recently added to ss utility.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
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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

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@ -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 summary from various sources. It is useful when amount of sockets is so huge
that parsing /proc/net/tcp is painful. that parsing /proc/net/tcp is painful.
.TP .TP
.B \-b, \-\-bpf
Show socket BPF filters (only administrators are allowed to get these information).
.TP
.B \-4, \-\-ipv4 .B \-4, \-\-ipv4
Display only IP version 4 sockets (alias for -f inet). Display only IP version 4 sockets (alias for -f inet).
.TP .TP