I got one of these errors on an intranet web server that only allows outgoing sendmail. The IP belongs to a Korean network, not our intranet. Any ideas on what they were trying to do and HOW they got through a firewall to do it?
Nov 3 14:48:18 XXXXXX.XXXXXXXX.XXX sendmail[13702]: NOQUEUE...
I got one of these errors on an intranet web server that only allows outgoing sendmail. The IP belongs to a Korean network, not our intranet. Any ideas on what they were trying to do and HOW they got through a firewall to do it?
Nov 3 14:48:18 XXXXXX.XXXXXXXX.XXX sendmail[13702]: NOQUEUE...
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