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Port Scanning

Submitted by Srikanth on Friday, 7 November 200833 Comments

Port Scanning is one of the most popular techniques used by hackers to discover services that can be compromised.

  • A potential target computer runs many ‘services’ that listen at ‘well-known’ ‘ports’.
  • By scanning which ports are available on the victim, the hacker finds potential vulnerabilities that can be exploited.
  • Scan techniques can be differentiated broadly into Vanilla, Strobe, Stealth, FTP Bounce, Fragmented Packets, Sweep and UDP Scans.

Port Scanning Techniques


Port Scanning Techniques can be broadly classified into:

  • Open scan
  • Half- open scan
  • Stealth scan
  • Sweeps
  • Misc

Commonly used tools for port scanning

1. Tool: SuperScan 3.0

2. Tool: NMap (Network Mapper)

3. Tool: NetScan Tools Pro 2003

4. Tool: ipEye, IPSecScan

Popularity: 5% [?]

Visitors who read this post, also read:

  1. How to Hack an Ethernet ADSL Router


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33 Comments »

  • Anonymous said:

    Your “Nmap” screenshot is really NetScanTools Pro instead.

  • Srikanth (author) said:

    Oh thanks bro,it all happened in a hurry.It is now corrected..

  • Uthman said:

    Srikanth is there any way to hack a website and the Internet service providing compney’s Sever.
    if yes then how??????
    Thanks

  • Anonymous said:

    Can you tell me how to hack website

  • Anonymous said:

    can u give me step by step procedure to acces a server through internet. i know the ip address of that i.e 10.42.2.20

    i want to access the server and make some changes on the website. how to do it???

  • HACKING said:

    The most frequent questions asked by many people especially in a chat room is How To Hack Yahoo Password or any other email account.So you as the reader are most likely reading this because you want to break into somebody’s email account.Here are some of the tricks that can be used to track an email. JUST CONTACT ME NOW !!! ( [email protected] )
    Best Regards
    O.Alvin

  • Sonia said:

    Hi
    i want to know that u scaned the port with Thrid party softwares so if some one want to scan the port with Internal Dos commands. What are those ones!!!!!!!!!

    Thankx in advance!!!!!!
    Sonia!!!!!

  • Srikanth (author) said:

    @ Sonia

    There is no in built DOS/Windows tool/command for Port Scanning

  • funnyguy said:

    b y using nmap we can find the other yahoo password.is it possible.i want to know password for this id [email protected] can u tel m e pls help me

  • h47ch1 said:

    Hey i got a probim using iptools but i cant get ay info from NB scanner. My operatig system is vista,and i gues ip tools dont work with it. could u give me addvice for some same proggram but working in vista. thnx keep the gr8 work

  • Srikanth (author) said:

    @ h47ch1

    IP tools works fine even in Vista (I have tested it)

    Try downloading the latest version

  • Slim0123 said:

    One more tool you can use is “Angry IP Scan” which does the job in a much quicker way(when configured correctly) and allows direct options for the resultant ips

  • eminem said:

    oh guys i need some help with can anyone help me thats mi email [email protected]

  • shank said:

    how can we view others g-talk conversations

  • Srikanth (author) said:

    @ shank

    No it is not possible…

  • Girish said:

    hi shrikant,
    is there any way to hack a person’s computer while we r chatting on yahoo… give me full description to me plz… it’s very important to me….

  • MICHO said:

    i have superscan 4.0 but don;t know how to use it !!
    PLZ help me

  • MICHO said:

    sorry my mail is [email protected]
    plz help me

  • King said:

    hello brother…….u are doing a really a great job…..well done .

    can u help me in hacking computer from internet…?

    how to control other computers? without networking

    thanks bro

  • Srikanth (author) said:

    @ King

    You have to use Remote administration tools/ Monitoring softwares..

  • MEHRAN said:

    hi do u hacking problams i will help u

  • Gaurav said:

    Hi Srikanth,
    Nice one man.

    Is it possible to hack Any particular server of LAN ? If yes, then please guide me for same..

    Thanks,

    Regards,
    Gaurav

  • Raj Kumar Singh said:

    Hi Srikanth

    Can u suggest some remote administration tools that realy work if possible pls suggest free tolls.

  • Legion said:

    Shrikanth,

    I need a fav. I’m tring to figure out how to find out someones IP address( or actaully how to find a certian persons IP address out of a whole group of people thts in a yahoo pool room lobby ). Could you please help me!!! If you are able to help could you also e-mail me the response it would be much appreciated, thx. Hope you are able to help. thx much Legion

  • Srikanth (author) said:

    @ Legion

    I will come up with a new post on this topic.

  • legion said:

    Sirkanth,

    Hey thx for helping could you pls let me know when u have done the new post on the question i asked. Thx much I’ll be in from time to time to check. thx :)

    legion

  • aditya said:

    hello sir,

    could u please tell me in which location do my updates of norton internet security gets stored

  • sadan said:

    hi i want ot hack my BF emial can you help me with that

  • Bill said:

    Srikanth,
    Can you please tell me how to hack through the open ports ? I tried to hack through telnet but it didn’t work. Can you even please tell me how to send viruses or torjans through open ports ?

  • anoop said:

    srikanth
    you are doing a wonder full work.
    keep it on

  • noone said:

    hi man, where I can find them

  • ayaz said:

    hey can u tell me how to use a remote administrative tool…plz come up with some article

  • Kameshwar said:

    Hi srikanth, i m a net. Engg. Port scanning is a gud trick but what do u say about sql injection tech. Ive tested it succesfuly do u hav anythng new..

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