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From Chip Cuccio <>
Subject Re: Proposal: Allow ServerTokens to specify Server header completely
Date Tue, 13 Jan 2004 14:38:39 GMT
* On Tue, Jan 13, 2004 at 02:25:36PM +0000, Ivan Ristic wrote:
>   Because I believe that changing the signature prevents some
>   automated tools from attacking the server.

This is a valid point.

>   I recently changed the signature of the Apache running on
> (to pretend to be IIS5). As a result, I've started
>   getting more IIS-related attacks than before. So, the signature
>   does matter.

Exactly. In an enterprise where I am responsible for 1000+ web
servers, we ran metrics to see the ratios in which servers' signatures
were "examined". Not to be anti-IIS or anything, but the scans against IIS
outweighed the Apache scans in the range of 8:1, or somewhere in those

I also would like to say that the majority of those (Apache) metrics
exhibited more "examinations" which were specific to code
vulnerabilities, not server-specific vulnerabilities.

To close, I don't think adding any type of directive to falsify
SERVER_SOFTWARE would be of any benefit, except to add a false sense
of security.

Chip Cuccio                    |  chipster[at]norlug[.]org
NORLUG VP and Sysadmin         |  <>
Northfield Linux Users' Group  |  Northfield, Minnesota USA

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