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Beginners guide to Nmap

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j0rDy

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Post Tue Mar 16, 2010 9:17 am

Beginners guide to Nmap

Just came across this one:

http://www.linux.com/learn/tutorials/290879-beginners-guide-to-nmap

its dated from march 3rd. they dont come any fresher then this! its pretty basic but i'm a little suprised i havent heard of Zenmap before...guess i'm a little bit more hardcore then i thought!
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earning my stripes appears to be a road i must travel alone...with a little help of EH.net
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KrisTeason

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Post Tue Mar 16, 2010 11:16 am

Re: Beginners guide to Nmap

Here's a couple more nmap tutorials from IronGeek.com:

Basic nmap usage:
http://www.irongeek.com/i.php?page=videos/nmap1

Nmap Tutorial 2:
http://www.irongeek.com/i.php?page=videos/nmap2

Nmap presentation for the ISSA in Louisville Kentucky
http://www.irongeek.com/i.php?page=videos/nmap-louisville-issa
eCPPT (Silver/Gold), eWPT, GSEC, GISP, GCIH, OSCP, OSWP
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Jhaddix

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Post Tue Mar 16, 2010 11:32 am

Re: Beginners guide to Nmap

Just some added Nmap love:


  • Nmap used to be less than proficient when it came to UDP scanning, but if you've become accustom to using other tools like unicorscan or udp-proto-scanner (full payload type UDP scanners) you can be relieved that Nmap has added this into releases since a few months ago.
  • if yo need to scan all ports the secret unreferenced flag is "-p-"

    • If you are doing version scanning I always find it valuable to script scan as well "--script=All"
    • The nmap book is the best hands down resource for scanning knowledge. http://nmap.org/book/&nbsp; and to keep updated with features and scripts that are added always check http://nmap.org/changelog.html
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rattis

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Post Tue Mar 16, 2010 11:47 am

Re: Beginners guide to Nmap

Jhaddix wrote:
if yo need to scan all ports the secret unreferenced flag is "-p-"



That's useful. Now I just need to remember it. I've been doing "-p 1-". Which works too, but less typing is good.
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pizza1337

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Post Tue Mar 16, 2010 12:17 pm

Re: Beginners guide to Nmap

packetstormsecurity.org/papers/cheatsheets/  it has nmap cheat sheet.
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UNIX

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Post Tue Mar 16, 2010 2:44 pm

Re: Beginners guide to Nmap

I'd recommend the official book, titled Nmap Network Scanning: The Official Nmap Project Guide to Network Discovery and Security Scanning by Fyodor himself. It's worth the read and money without doubt and contains many useful tips and explanations, going far beyond what one will find in any tutorials etc.
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hayabusa

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Post Tue Mar 16, 2010 3:05 pm

Re: Beginners guide to Nmap

I'll second that recommendation.  It's very well written, and one of the best 'technical' documentation / product manual-istic combinations I've read (and by far, one of the most useful)
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"All men can see these tactics whereby I conquer, but what none can see is the strategy out of which victory is evolved." - Sun Tzu, 'The Art of War'


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MicroJay

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Post Tue Mar 16, 2010 4:00 pm

Re: Beginners guide to Nmap

I'd also have to agree about the book.  Have it in my collection and use it whenever I have a question about Nmap.
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j0rDy

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Post Wed Mar 17, 2010 5:11 am

Re: Beginners guide to Nmap

guess its no suprise i really like the book too, but these links are a good place to start to get to know your way around the tool. if you want to do a basic scan this is all you have to know. for the hardcore hacker the books are the way to go!
CISSP, CEH, ECSA, OSCP, OSWP

earning my stripes appears to be a road i must travel alone...with a little help of EH.net

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