Re: raw sockets

Andi Kleen (ak@muc.de)
04 Nov 1998 19:14:21 +0100

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In article <Pine.LNX.3.96.981104180623.14690A-100000@ondatra.tartu-labor>,
Meelis Roos <mroos@tartu.cyber.ee> writes:
> Is it possible to determine which applications are using raw sockets?
> netstat -a shows that I have 2 raw sockets open, *:1 and *:6. lsof shows
> only established connections. /proc/net/raw has 2 lines but they have
> inode number set to 0.

> Is it intentionally 0 or is it a bug?
0 means it is an internal kernel socket. ICMP and TCP use one to send
packets. User sockets should have an inode number, and they have on my
system.

-Andi

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