Security Basics mailing list archives

Re: Server blocks access of IP after nmap scan


From: Saif El Sherei <SSherei () npcegypt com>
Date: Wed, 18 May 2011 19:28:36 +0300

U can try to change the MTU I think to send packet fragments check nmap man. 

Regards,

Saif
OSCP

Sent from my iPhone. 

On May 18, 2011, at 8:07 PM, "amon.amarth9 () gmail com" <amon.amarth9 () gmail com> wrote:

I am conducting this little security test on a specific web server owned by a colleague of mine, saying it's pretty 
secured. So first I ran nmap but after the nmap scan completes (and it says all ports filtered, which is impossible), 
the web server became unresponsive. I called my friend in order to explain him how accidentally I DoSed his server 
but he says it's all ok. I check again - it's not responding. So I connect through a proxy and whoa - it's alive, so 
i guess after the nmap scan the server somehow protected itself by blocking access to the site for my ip. I would 
like to know what I can do in this case, how I can successfully complete a nmap scan without putting it 'down'. Any 
ideas please?

------------------------------------------------------------------------
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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, 
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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
------------------------------------------------------------------------


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