Re: How to detect whether firewall service is provided by server or by ISP?

[TAS <p0wnsauc3 () gmail com>]

Offcourse, if you are curious to know run wireshark and see what device is responding to your nmap scan. This is the 
best way to verify the and clear confusion too.

Hope this helps

Cheers
TAS

On Sep 16, 2010, at 16:53, martin <m4rtin86 () gmail com> wrote:

> I have two servers behind different networks. First network is
> protected with firewall provided by the router and there is no
> firewall in the server:
>
> [root@martin ~]# nmap --reason -n -PN -p445 192.168.217.73
>
> Starting Nmap 5.00 ( http://nmap.org ) at 2010-09-16 13:57 EEST
> Interesting ports on 192.168.217.73:
> PORT    STATE    SERVICE      REASON
> 445/tcp filtered microsoft-ds no-response
>
> Nmap done: 1 IP address (1 host up) scanned in 2.15 seconds
> [root@martint ~]#
>
> The other server is in the second network and there is no firewall
> service provided by the router, but firewall is activated in the
> server:
>
> [root@martin ~]# nmap --reason -n -PN -p9731 192.168.13.19
>
> Starting Nmap 5.00 ( http://nmap.org ) at 2010-09-16 13:56 EEST
> Interesting ports on 192.168.13.19:
> PORT     STATE    SERVICE REASON
> 9731/tcp filtered unknown no-response
>
> Nmap done: 1 IP address (1 host up) scanned in 2.15 seconds
> [root@martin ~]#
>
> Is there somehow possibility to detect, whether firewall is active in
> the server or in the router?
>
> ------------------------------------------------------------------------
> 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
> ------------------------------------------------------------------------

------------------------------------------------------------------------
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
------------------------------------------------------------------------