Security Basics mailing list archives
RE: Finding web servers with nmap
From: Jonathan Loh <kj6loh () yahoo com>
Date: Fri, 2 Dec 2005 19:40:37 -0800 (PST)
Since he just needs host and if 80 is open or not, I suggest taking the 2 "-v's" out as this just makes nmap more verbose and piping it through sed. BTW the '-sT' cmd gave me hits on ghost machines (machines not reallly there). IE it gave me 1 hit per IP (in use or not) that I have. --- tom.farrar () it-ps com wrote:
#nmap -v -v -sT -P0 -p 80 -oG your.log -iL x.x.0-255.0-255 That is quite a quick scan, for results see below: [With -sS] [root@snort-1 root]# nmap -v -v -sS -P0 -p 80 www.it-ps.com Nmap finished: 1 IP address (1 host up) scanned in !!-->0.610 seconds<--!! Raw packets sent: 2 (82B) | Rcvd: 2 (88B) [With -sT] [root@snort-1 root]# nmap -v -v -sT -P0 -p 80 www.it-ps.com Nmap finished: 1 IP address (1 host up) scanned in !!-->0.055 seconds<--!! Hope that helps, Regards, Tom -----Original Message----- From: Denis [mailto:da_shestakov () myrealbox com] Sent: 30 November 2005 17:01 To: security-basics () securityfocus com Subject: Finding web servers with nmap Hi, I have a task to "relatively quickly" find all web servers (all hosts with open port 80) in some particular network. It seems it can be done with the nmap program. Could you advice me concerning the best options for running nmap to accomplish this task? In particular, does the following command do it right? nmap -v -sS -PS80 -PA80 -p 80 -oG my.log -iL x.x.0-255.0-255 I am asking that because I have a concern that the above command may miss some hosts. However, it works faster than the command with "-P0 -p 80" ... -- BR, Denis
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Current thread:
- RE: Finding web servers with nmap Burton Strauss (Dec 01)
- Re[2]: Finding web servers with nmap Denis Shestakov (Dec 02)
- RE: Re[2]: Finding web servers with nmap Burton Strauss (Dec 02)
- Re: Finding web servers with nmap Robin Keir (Dec 01)
- Re: Finding web servers with nmap Jeffrey F. Bloss (Dec 05)
- RE: Re[2]: Finding web servers with nmap Burton Strauss (Dec 02)
- RE: Finding web servers with nmap Jonathan Loh (Dec 02)
- Re: Finding web servers with nmap Gaddis, Jeremy L. (Dec 05)
- Re: Finding web servers with nmap Balaji Prasad (Dec 06)
- <Possible follow-ups>
- RE: Finding web servers with nmap tom . farrar (Dec 02)
- RE: Finding web servers with nmap Jonathan Loh (Dec 05)
- Re: Finding web servers with nmap y0 (Dec 02)
- RE: Finding web servers with nmap Steve McLaughlin (Dec 07)
- RE[4]: Finding web servers with nmap Denis (Dec 12)
- Re[2]: Finding web servers with nmap Denis Shestakov (Dec 02)