Check out:

http://www.cisco.com/warp/public/707/cisco-sa-20030717-blocked.shtml

Everything you need to know about it on one page.  It lists the versions
vulnerable and what version for the same train that it's fixed in.  If you
stay in the same train (12.1.5 and 12.1.19 are the same train, as are
12.1.5T and 12.1.15T5), you shouldn't have any problems with hardware
compatibility.  Always check the hardware compatibility matrix before
choosing a URL.  I couldn't find it on CCO, but it's there somewhere.  It's
a tool where you put a check mark next to all the parts of your router -
chassis itself, NMs, PAs, WICs, VICs, etc.  Then it'll tell you what
software is compatible with everything.  I might add that the vulnerability
is easy to do, using Linux or even Windows.  Locked up my home router last
night using NMAP.

Chuck Church
CCIE #8776, MCNE, MCSE
Wam!Net Government Services
13665 Dulles Technology Dr. Ste 250
Herndon, VA 20171
Office: 703-480-2569
Cell: 703-819-3495
[EMAIL PROTECTED]
PGP key: http://pgp.mit.edu:11371/pks/lookup?search=chuck+church&op=index


- -----Original Message-----
From: Mr piyush shah [mailto:[EMAIL PROTECTED]
Sent: Monday, August 04, 2003 2:51 PM
To: [EMAIL PROTECTED]
Subject: Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4
[7:73471]

Dear all
Recently there was an article on Cisco Security
Advisory which stated that all Cisco routers/switches
having IOS as their operating system,their Interfaces
will be blocked by IPv4 Packets.In this regard,i have
a querry.
Is it that all the router having IOS will be blocked
or certain specific IOS ?
Also they have given fixes at the bottom of that
article which states about access-list,do one need to
go ahead with implementation of these Acess-lists?
Kindly help.
Thanks in advance.

 Piyush



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------------------------------

Date: Fri, 8 Aug 2003 07:36:33 GMT
From: "LINSEN Jurgen (BMB)" 
Subject: RE: cisco back to back cable [7:71992]

Sure you're using a cross cable?

- -----Original Message-----
From: KW S [mailto:[EMAIL PROTECTED]
Sent: Monday, July 07, 2003 6:22 PM
To: [EMAIL PROTECTED]
Subject: cisco back to back cable [7:71992]


Dear All

I have a 2501 and 2505 and I am trying to set up a homelab..These 2
routers come with a cable which is a DB60(DTE) and the other end is a
DB60(DCE).This is wat that is label on the cable. Anyway, I try to
connect this cable to the serial interface of the 2 routers...and both
the routers are showing serial is down and line protocol is down.

I guess I have used the wrong cable...or maybe I have missed out
something.

Please comment..

Regards, kws
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