Re: How to know if a port is forwarded

[synja () synfulvisions com]

That is only going to show if there is a service at the port and whether the port is open, closed, or does not respond. 
It cannot tell the difference between a host and the router.

Rob
Sent on the Sprint® Now Network from my BlackBerry®

-----Original Message-----
From: Jose <jmaque () gmail com>
Sender: listbounce () securityfocus com
Date: Mon, 31 Oct 2011 16:00:48 
To: <security-basics () securityfocus com>
Subject: Re: How to know if a port is forwarded

You could check out Shields Up @ grc.com
https://www.grc.com/default.htm



On Mon, Oct 31, 2011 at 2:40 PM, Archangel Amael
<archangel.amael () gmail com> wrote:
> One could use the OS and or  service/application version detection
> flags in NMAP to help determine if a port is being forwarded or not.
> It it probably not the best way of going about it, but it may work out
> for you.   If possible try this in addition to what RobOEM mentioned
> by watching the TTL via traceroute.
>
>
>
> On Fri, Oct 28, 2011 at 11:23 PM, Gustavo Rodriguez
> <lord.epzylon () gmail com> wrote:
> > I would like to know if someone knows some technique to discover
> > forwarded ports.
> > I mean, in instance, scanning a public IP , how we know if some port
> > sends responses from the connected device
> > (ex: a router) or from an internal host (private network).
> > Thanks
> >
> > --
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> Securing Apache Web Server with thawte Digital Certificate
> In this guide we examine the importance of Apache-SSL and who needs an SSL certificate.  We look at how SSL works, 
> how it benefits your company and how your customers can tell if a site is secure. You will find out how to test, 
> purchase, install and use a thawte Digital Certificate on your Apache web server. Throughout, best practices for 
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> certificates.
>
> http://www.dinclinx.com/Redirect.aspx?36;4175;25;1371;0;5;946;e13b6be442f727d1
> ------------------------------------------------------------------------

------------------------------------------------------------------------
Securing Apache Web Server with thawte Digital Certificate
In this guide we examine the importance of Apache-SSL and who needs an SSL certificate.  We look at how SSL works, how 
it benefits your company and how your customers can tell if a site is secure. You will find out how to test, purchase, 
install and use a thawte Digital Certificate on your Apache web server. Throughout, best practices for set-up are 
highlighted to help you ensure efficient ongoing management of your encryption keys and digital certificates.

http://www.dinclinx.com/Redirect.aspx?36;4175;25;1371;0;5;946;e13b6be442f727d1
------------------------------------------------------------------------