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[FW-1] stream dns requests originating from firewall



Last week, we received complaints that one of our firewalls (v4.1
running on solaris) has essentially stopped passing packets. The
engineer responding to the complaint first tried reinstalling the
policy - which relieved the problem. However, later inspection of the
log reveals that during the same period, the firewall itself has started
initiating dns requests (UDP) at the speed of about 200 per second!
While this may explain why not much else was going on, I was wondering
if anyone else had seen a firewall wander off in this way before and if
there were any theories on what could have caused it?
Bill

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