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From Dean Gaudet <dgau...@arctic.org>
Subject Re: NL: IBM Pays Million To Sponsor Super Bowl Site (fwd)
Date Fri, 23 Jan 1998 19:21:34 GMT
I wonder if you could characterize tcp responses... that would at least
put it into various classes... NT, solaris, linux, *bsd all have different
tcp behaviour.  But that'd be one heck of a tool to write. 

Dean

On Fri, 23 Jan 1998, Marc Slemko wrote:

> On Fri, 23 Jan 1998 George_Carrette@iacnet.com wrote:
> 
> > Speaking of monitoring thing like
> > Server: Apache/1.3b4-dev
> > 
> > Are there any "artifacts of implementation" for the TCP implementations from
> > the major vendors which can be used to heuristically determine which
> > operating system is being run on a web server machine?
> 
> Yes, but it is extremely difficult to automate and subject to errors such
> as certain types of firewalls.
> 
> eg. www.zdnet.com (at the same IP address) is running either Netscape
> Commerce or Open-Market-Secure-WebServer/2.0.5.RC0 depending on which time
> you ask it.
> 
> > 
> > For example,
> > $ http-get http://www.lotus.com/ :header=only 
> > HTTP/1.0 200 OK
> > Server: Lotus-Domino/4.5
> > Date: Friday, 23-Jan-98 11:29:42 GMT
> > Content-Type: text/html
> > Content-Length: 931
> > 
> > Simple enough, but I'm curious as to if this is running on an NT or Solaris
> > or some other box. 
> > 
> > Of course if the thing is behind a firewall then any TCP artifacts
> > would pertain to the firewall.
> > 
> > -gjc
> > 
> 
> 


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