Jen Beveridge and Joe Kolenda. Developed by Gordon Lyon Features –Host discovery –Port scanning –Version detecting –OS detection –Scriptable interaction.

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Presentation transcript:

Jen Beveridge and Joe Kolenda

Developed by Gordon Lyon Features –Host discovery –Port scanning –Version detecting –OS detection –Scriptable interaction with the target secret.pathetic.net

Identifying open ports Network Mapping Auditing security

Runs on Linux, Windows, Mac OS X and other smaller operating systems GUI options: – Zenmap – XNMap – NmapFE

DNS lookup- matches name with IP NMap pings the remote target with 0 byte packets to each port – If packets are not received back, port is open – If packets are received, port is closed Sends different packets with different timing to determine filtered/unfiltered, version, etc. Firewalls can interfere with this process

Displays open ports Different output based upon constraints on run, but can show – Version type – Filtered/unfiltered

When run through command prompt or terminal, entry fields are: – Program – Constraints on run – Target Ex. > nmap –sS scanme.nmap.org Ex. > nmap -Db ftp.pathetic.net secret.pathetic.net

Easy to install Fairly easy to use, firewall problems and network setting issues User guide available, many tutorials Scan time- can range from a few seconds to several hours Can scan over a range of IP addresses and utilize stealthy scanning

Can be used for hacking- to discover vulnerable ports System admins can use it to check that systems meet security standards Unauthorized use of Nmap on a system could be illegal. Make sure you have permission before using this tool