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| Subject: | Re: how nmap can know my firewalled servers ? |
|---|---|
| Date: | Thu, 13 Apr 2006 14:18:12 -0400 |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Alice Bryson wrote:
Yes, i agree that. How about UDP, if an udp port firewalled, how does NMAP know it?
I believe with UDP scanning you're either going to get a result of closed (System responded with an ICMP port unreachable), or Open|Filtered meaning that no response was received which could mean filtering or something listening and not responding. - -- Gregory Boyce | gboyce@akamai.com Security Operations - Team Lead Akamai Technologies | 617-444-3041 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFEPpXjRy7J/ecQa/MRAhN+AJ0cuQET4ZYOVTc/NCyXrKjNRWu61gCgggRr 7g2NiifGckOO++pz3MB3++M= =LjVS -----END PGP SIGNATURE----- ------------------------------------------------------------------------- This List Sponsored by: Webroot Don't leave your confidential company and customer records un-protected. Try Webroot's Spy Sweeper Enterprise(TM) for 30 days for FREE with no obligation. See why so many companies trust Spy Sweeper Enterprise to eradicate spyware from their networks. FREE 30-Day Trial of Spy Sweeper Enterprise http://www.webroot.com/forms/enterprise_lead.php --------------------------------------------------------------------------
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