Stop further socket() or connect() calls.

Peter Jeremy peterjeremy at
Mon Jul 3 19:04:54 UTC 2006

On Mon, 2006-Jul-03 18:09:27 +0100, mal content wrote:
>Was it my imagination or did I see a function in libc that
>allowed a process to prevent further network access?

The closest is shutdown(2) which can stop further access in one
direction on an existing socket - not what you want.

>I was looking for a way to write a small wrapper program
>that disables network access and then exec()'s a given

For dynamic executables, you could LD_PRELOAD a .so that replaces
all the socket-related syscalls.

Peter Jeremy
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