Re: Security vulnerabilities with enabled ports
From: karl [x y] (jamescagney90210@excite.com)
Date: 08/29/02
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From: "karl [x y]" <jamescagney90210@excite.com> Date: Thu, 29 Aug 2002 16:06:29 -0400
"Mike Ferraro" <michael.ferraro@mail1.monmouth.army.mil> wrote in message
news:bdbb01c24f8d$38b16c90$9ae62ecf@tkmsftngxa02...
> Maybe someone can answer this for me. What type of
> vulernabilities exist if server services, remote registry
> and admin shares are enabled? For some this maybe a very
> easy question to answer. Any recommended best practices?
I'm not sure what you mean by server services.
Using a firewall to block netbios access to internal servers helps protect
the other two you mentioned. You rarely see anyone disabling or
recommending admin shares be disabled, even on sensitive servers, though
disabling or unbinding netbios on sensitive servers effectively blocks
access to the admin shares and remote registry service without actually
disabling them. [Changing the LM registry value to limit anonymous
connections is something else that should be considered.]
Remote Registry service is something you might disable on sensitive servers
in a DMZ, though it is required for some uses such as running HFNETCHK to
look for missing patches and for some types of remote administration.
Really, you want to follow the recommended best practices and hardening
checklists for windows and IIS found at www.microsoft.com/security and
others found by searching google.com for "hardening windows," since those
checklists will take care of your questions and lots of other things not
mentioned here. The book Hacking Exposed 3rd edition is another good
introduction to these issues.
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