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Malformed Host Header from non-local IPs - A concern?

Discuss Malformed Host Header from non-local IPs - A concern? in the Apache Development forum on Dev Shed.
Malformed Host Header from non-local IPs - A concern? Apache Development forum discussing HTTP Server general topics, configuration, and modules. Apache is an open source web server that runs on multiple platforms.

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Old March 14th, 2002, 08:13 PM
Bisifiniti Bisifiniti is offline
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Malformed Host Header from non-local IPs - A concern?
[Thu Mar 14 20:32:16 2002] [error] [client ***.***.***.***] Client sent malformed Host header

I've gotten that error 3 times so far. They aren't from 127.0.0.1, and are from just random IPs. I don't know why they'd be doing this, and I don't know if it's Code Red or Nimda or any other type of worm, or something like that. I tried searching the forums for things, and all I saw were things where people had that problem locally.

Should this be a concern, or is this something that happens regularly?
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Old March 14th, 2002, 08:20 PM
freebsd freebsd is offline
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It's probably CodeRed. So check your access_log for that timestamp and see if the actual requested file is something like /default.ida.
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Old March 15th, 2002, 11:22 AM
Bisifiniti Bisifiniti is offline
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Yeah, it's stuff like default.ida?NNNNNNNNNNNNNNNNNN and etc etc.

Thank you much!
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