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