attackalert: Possible stealth scan from

ckizer

Well-Known Member
Aug 12, 2001
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Aug 24 04:52:43 tempest portsentry[815]: attackalert: Possible stealth scan from unknown host to TCP port: 143 (accept failed)
Aug 24 04:52:43 tempest portsentry[815]: attackalert: Possible stealth scan from unknown host to TCP port: 143 (accept failed)
Aug 24 04:52:43 tempest portsentry[815]: attackalert: Possible stealth scan from unknown host to TCP port: 143 (accept failed)
Aug 24 04:57:09 tempest portsentry[815]: attackalert: Possible stealth scan from unknown host to TCP port: 143 (accept failed)

Aug 24 04:58:28 tempest stunnel[1977]: 127.0.0.1.2082 connected from 212.181.114.38:10402
Aug 24 04:58:28 tempest portsentry[815]: attackalert: Possible stealth scan from unknown host to TCP port: 143 (accept failed)
Aug 24 04:58:28 tempest last message repeated 11 times

Why do I keep getting these? What can I do to stop them? Last night my brand new Dell Server froze, is this the cause? and if so what can i do? please help