full-disclosure - Reverse flow RPC?

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Message-ID: <Pine.LNX.4.58.0403261124040.8481@catbert.rellim.com>
From: gem at rellim.com (Gary E. Miller)
Subject: Reverse flow RPC?

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Yo Daniel!

On Fri, 26 Mar 2004, Daniel H. Renner wrote:

> I took a look-see at my firewall log for yesterday and saw four
> instances of what appears to be reversed incoming RPC traffic on the Red
> (WAN/eth2) side.

Probably a stealth scan.  NMAP has several ways to do this.  Grab
a copy and read the it's doc on Stealth FIN, Xmas Tree and Null
scan moeds (-sF, -sX, -sN).

These are a great way to scan past non-stateful firewalls.

RGDS
GARY
- ---------------------------------------------------------------------------
Gary E. Miller Rellim 20340 Empire Blvd, Suite E-3, Bend, OR 97701
	gem@...lim.com  Tel:+1(541)382-8588 Fax: +1(541)382-8676

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