Re: Secure Port Testing

From: David Roman Esteban (droman_at_plcendesa.com)
Date: 10/25/04

  • Next message: Nicholson, Dale: "RE: Linux hacked" 
    Date: Mon, 25 Oct 2004 12:43:49 +0200
To: Ghaith Nasrawi <libero@aucegypt.edu>

    You could use the always old echo in inetd. listening on all ports, you
    know echo1 echo2 etc etc.. is something you do one time an reuse, only
    listening where you say as fast as kill -HUP inetd. You can test any
    port by modifying http://www.cs.cf.ac.uk/Dave/PERL/node182.html script

    Best regards
    dre

    Ghaith Nasrawi wrote:

    >netcat
    >
    >g.
    >
    >---------- Initial Header -----------
    >
    >>From : "Mailing Lists" itmaillist@gmail.com
    >To : security-basics@securityfocus.com
    >Cc :
    >Date : Fri, 22 Oct 2004 14:49:36 -0400
    >Subject : Secure Port Testing
    >
    >
    >
    >>Hello List,
    >>
    >>I am responsible for testing connectivity between customers and vendor
    >>sites and often need to verify and test firewall settings for extranet
    >>connections before the data link is available. In the past I would
    >>just set up a test box on a test LAN on the external interface of the
    >>Firewall and pick a service and run it on whatever port I need to
    >>test. I am looking for something more secure and configurable that
    >>wont put an actual service out in the open. Hopefully a tool that
    >>will allow me to open ports on a windows / or *nix box without
    >>actually having a particular service running there. Maybe a banner,
    >>or just something that will allow me to determine if the connection
    >>was successful. Preferably I would like the ability to open multiple
    >>ports at a time and be able to make quick to changes. My methodology
    >>is that if I get a positive connection I know the firewall is allowing
    >>me through and routing properly.
    >>
    >>Any recommendations for tools or different perspectives on how to test
    >>this will be greatly appreciated!
    >>
    >>Thanks.
    >>
    >>
    >>
    >
    >"Our care should not be to have lived long as to have lived enough.",
    >Seneca
    >
    >
    >
    >
    >

  • Next message: Nicholson, Dale: "RE: Linux hacked"

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