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1 | [[nmap]] |
2 | `nmap` - Port Scans | |
3 | ------------------- | |
4 | ||
5 | `nmap` is designed to allow system administrators to scan large | |
6 | networks to determine which hosts are up and what services they are | |
7 | offering. You can use nmap to test your firewall setting, for example | |
8 | to see if the required ports are open. | |
9 | ||
10 | .Test Razor port (tcp port 2703): | |
11 | ---- | |
12 | # nmap -P0 -sS -p 2703 c301.cloudmark.com | |
13 | ||
14 | Starting Nmap 5.00 ( http://nmap.org ) at 2012-07-31 11:10 CEST | |
15 | Interesting ports on c301.cloudmark.com (208.83.137.114): | |
16 | PORT STATE SERVICE | |
17 | 2703/tcp open unknown | |
18 | ||
19 | Nmap done: 1 IP address (1 host up) scanned in 0.17 seconds | |
20 | ---- | |
21 | ||
22 | See the manual page (`man nmap`) for more information about nmap. |