RE: verifying an open or closed port on an ip address
From: Chris Wanstrath (chrisw_at_cinci.rr.com)
Date: 08/08/03
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- In reply to: Bradley Adams: "Re: verifying an open or closed port on an ip address"
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To: <security-basics@securityfocus.com> Date: Thu, 7 Aug 2003 19:06:48 -0400
Nmap for Windows works great...You can access the command line with it
but, as with most to-Windows ports with GUIs, the GUI builds the command
line for you which is great for beginners. It also shows you the
command line it will run once you select the scanning options you want
through the tabbed windows, so you can start to learn what the arguments
do even before knowing they exist.
The helpfile/documention is really easy to understand if you're new to
this kind of stuff. And the really technical stuff you probably won't
need to worry about yet...
-- Chris Wanstrath : cwanstrath@lw-consulting.net LW Consulting : www.lw-consulting.net -----Original Message----- From: Bradley Adams [mailto:bradley.adams@cas-inc.com] Sent: Thursday, August 07, 2003 5:00 PM To: security-basics@securityfocus.com Subject: Re: verifying an open or closed port on an ip address In-Reply-To: <f81bce7b03194b19ba7ebd9defdf892e.ian@kingcon.com> A great tool that I use for this type of "information gathering" is NMAP. Go to http://www.insecure.org It does a lot more than what you want however it has a simple command that you can use to see if a single port is open on an IP address and you can use other types of "pings" other than ICMP such as ACK and SYN. check it out. There is a windows version available however I don't know if it does command line. You can always install cygwin and emulate a unix/linux box on your windows box... go to http://www.cygwin.com then you can use the cygwin unix emulation command line version of NMAP. l8tr Bradley Adams bradley.adams@cas-inc.com "You will hardly know who I am or what I mean" "Linux... Power in the hands of a few" --------------------------------------------------------------------------- ----------------------------------------------------------------------------
- Previous message: James Fields: "Re: Network scanning"
- In reply to: Bradley Adams: "Re: verifying an open or closed port on an ip address"
- Next in thread: David Bettermann: "Re: verifying an open or closed port on an ip address"
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