[Snort-devel] locking an if in promisc mode

Mathew Johnston mjohnston at ...1001...
Thu Apr 18 07:49:46 EDT 2002

I tend to run more than one libpcap based sniffing tool at once. I find
that when I exit such a tool, the tool turns OFF promisc mode on the
interface that it was listening on. This is bad, because the other
programs do not know that they need to turn it back on. Is there any way
to lock promisc mode on, or prevent apps from turning it off when they


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