In case anyone is interested, scanning HP printers with
tools such as nmap will cause the printer to lock up hard.
I attemped to reproduce this and was unable to. When I scanned an HP
LaserJet 4050N with JetDirect firmware revision G.08.03, one of the
ones listed as being vulnerable, the
% packet loss
-Original Message-
From: Alfred Huger [mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 20, 2000 11:45 AM
To: [EMAIL PROTECTED]
Subject: DOS attack against HP JetDirect Printers (fwd)
Alfred Huger
VP of Engineering
SecurityFocus.com
-- Forwarded message
On Thu, 20 Apr 2000, Alfred Huger wrote:
In case anyone is interested, scanning HP printers with
tools such as nmap will cause the printer to lock up hard.
I discovered this while trying to diagnose a connection
problem we were having with a printer.
I've verified this with at least the
