Snort mailing list archives

Re: 17203 portscan alerts in 23 hours from same IP


From: Jeff Taylor <jeff () austinblues dyndns org>
Date: Wed, 10 Jul 2002 11:45:11 -0500

Some firewall setups (mistakenly IMHO) "trust" accesses from
privileged ports (less than 1024).  Yes there can be a valid packet
from port 80.  But without knowing the people on the other end, I
would treat it like a vulnerability exploit.

Jeffrey

Quoting Ashley Thomas <athomas () cc gatech edu>:
Src port 80 seems fishy , right ?
They might be trying to "hide" by using port 80 !

BTW does any one know if there can be a valid packet from src port 80 ->
dest port 53 ?


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