🚀 go-pugleaf

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Many customers will be aware of the recent appearance of two
Internet worms commonly being referred to as 'blaster' and
'welchia'. Both of these target a known vulnerability in Microsoft
Windows.

Details of the worms can be found at:

   http://www.cert.org/advisories/CA-2003-20.html

and

   http://www.cert.org/current/current_activity.html#welchia

[The latter URL is liable to change]

Details of the vulnerability in Microsoft Windows can be found
here:

   http://www.microsoft.com/security/security_bulletins/ms03-026.asp

The effect of these two worms has been a significant increase in
Internet traffic targeting vulnerable systems. Of greatest concern
is the ICMP traffic created by the Welchia worm which by its nature
is causing problems with routers across the Internet worldwide.

As a result we are now blocking traffic associated with the worm
(ICMP 8 - Echo) at our borders to prevent this traffic disrupting
our equipment and services. This blocking will be reviewed over the
coming days and removed as soon as we believe we can do so without
causing adverse impact on our customers and services.

We would also recommend that all customers check that they keep
their copies of Microsoft Windows up to date with the Windows
Update site:

   http://windowsupdate.microsoft.com

and also that they install and maintain an up to date anti-virus
package on their system. Such packages are available from the usual
sources, or we can supply one, details of which are available at:

   http://www.demon.net/products/security/online/

Malcolm Muir
Demon Internet

- -- 
Malcolm S. Muir                                   Demon Internet Ltd.
Sunderland                                        322 Regents Park Road
England                                           London N3 2QQ


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