Firewall Wizards mailing list archives

Re: source port specific port scan


From: "R. DuFresne" <dufresne () sysinfo com>
Date: Sun, 14 Oct 2001 10:16:10 -0400 (EDT)


seek out hping and hping2

Thanks,

Ron DuFresne



On Fri, 12 Oct 2001, Rich Wilson wrote:

Does anyone know of a port scanner that allows you to specify the source port? 
I'm trying to test a filter that allows outbound only SMTP.  My worry is that
it is not stateful, and that an attacker using a source port of 25 can bypass
the filter.

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