[arch-general] Port 80 is shown open in port scan without any web server running

Jan de Groot jan at jgc.homeip.net
Wed Mar 30 04:50:15 EDT 2011

On Wed, 2011-03-30 at 14:06 +0530, Partha Chowdhury wrote:
> Now with current provider port 80 is shown open in every 
> port scan test 

This is usually caused by a transparent proxy. When nmap hits port 80,
it will get redirected to the proxy server. Try doing an nmap -sV and
you'll see what software is running on the proxyserver.

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