Open Ports
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Thread: Open Ports

  1. #1
    Senior Member
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    Open Ports

    Hi All,

    How can I check which ports are open at the server fromt he client machine?

    Thanks,
    regards,
    Riya
    Now is the moment, or NEVER!!!

  2. #2
    In And Above Man Black Cluster's Avatar
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    Please explaine what you want to do? and most importantly WHY?
    \"The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts\".....Spaf
    Everytime I learn a new thing, I discover how ignorant I am.- ... Black Cluster

  3. #3
    Master-Jedi-Pimps0r & Moderator thehorse13's Avatar
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    Seeing that you've been a member for a few years, I have no problem answering this question.

    I'm assuming many things since your question is vague. Simpy get your hands on a port scanner and aim it at the server. Without additional information, this is the best I can do for you.

    Good scanners include NMAP (my personal favorite) Angry IP scanner (good for non technical types) and if you're a techie, you can use HPING as a scanner.

    Of course there are many many more scanners. These are the ones that I'm very familiar with.

    --Th13
    Our scars have the power to remind us that our past was real. -- Hannibal Lecter.
    Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful. -- John Wooden

  4. #4
    Yup NMAP Rocks but i have faced some problems with it some times whenever i fire namap 3.95 from a particular PC (Win XP Pro SP2) my LAN card gets hanged I mean the system wents offline from the LAN I have to reboot the PC to get it online.I think there are issues with WinPcap i checked insecure.org and found this http://seclists.org/lists/nmap-hacke...-Sep/0002.html still no answer there for my LAN card Problem :P
    GOD BLESS YOU

  5. #5
    oldie ric-o's Avatar
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    In addition to Nmap I use SuperScan (http://www.foundstone.com/resources/...superscan4.htm ), which is a port scanner made by Foundstone. It's easy to use, runs on Windows, and free.

    Another port scanner made by Foundstone is ScanLine (http://www.foundstone.com/resources/...c/scanline.htm). It's a command line scanner that runs on Windows.

    What are you looking for or trying to achieve?

  6. #6
    Senior Member
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    Hi All,

    I totally agree with ur concern 'Black Cluster'.

    Well, I am initiating security testing for my company and was trying to access an internal site through telnet, but was unable to do that

    I tried netstat to lookup the open ports but was able to view the open ports of my local machine only. I am working on Win XP/ Win 2000 and my server is on Unix.

    How can I view the open ports of a remote machine?

    I tried connecting to remote machine, but was getting connection to host lost.

    Can anyone help!

    Thanks.
    Now is the moment, or NEVER!!!

  7. #7
    AO's MMA Fanatic! Computernerd22's Avatar
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    How can I view the open ports of a remote machine?
    thehorse13, already informed you. Again, it's

    Simpy get your hands on a port scanner and aim it at the server.
    A few good ones for Windows 2000/XP is nmap (my favorite) www.insecure.org

    GFI LanGuard, and also, Retina, both from www.download.com aswell as Microsoft security basline security analyzer from http://www.microsoft.com/technet/sec.../mbsahome.mspx

    All these applications are excellent for what your trying to do cheers,

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