UNIX network analysis

Finding open ports on your workstation
[root@localhost alex]# nmap -T Aggressive -O 192.168.0.106

Starting Nmap 4.76 ( http://nmap.org ) at 2009-05-07 11:38 EDT
Interesting ports on 192.168.0.106:
Not shown: 991 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
80/tcp   open  http
902/tcp  open  iss-realsecure
1521/tcp open  oracle
3306/tcp open  mysql
6000/tcp open  X11
8009/tcp open  ajp13
8222/tcp open  unknown
8333/tcp open  unknown
Device type: general purpose
Running: Linux 2.6.X
OS details: Linux 2.6.15 - 2.6.25
Network Distance: 0 hops

OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 2.49 seconds

Finding other services on your network
[root@localhost alex]# nmap -sT 192.168.0.106/22

Starting Nmap 4.76 ( http://nmap.org ) at 2009-05-07 11:47 EDT
Stats: 0:00:08 elapsed; 104 hosts completed (2 up), 2 undergoing Connect Scan
Connect Scan Timing: About 84.28% done; ETC: 11:48 (0:00:00 remaining)
Interesting ports on 192.168.0.1:
Not shown: 998 closed ports
PORT     STATE SERVICE
80/tcp   open  http
5678/tcp open  unknown
MAC Address: 00:1C:F0:54:4C:67 (D-Link)

Interesting ports on 192.168.0.100:
Not shown: 999 filtered ports
PORT      STATE SERVICE
10000/tcp open  snet-sensor-mgmt
MAC Address: 00:11:A0:04:59:EA (Vtech Engineering Canada)

Interesting ports on 192.168.0.106:
Not shown: 991 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
80/tcp   open  http
902/tcp  open  iss-realsecure
1521/tcp open  oracle
3306/tcp open  mysql
6000/tcp open  X11
8009/tcp open  ajp13
8222/tcp open  unknown
8333/tcp open  unknown

Nmap done: 1024 IP addresses (3 hosts up) scanned in 98.37 seconds
[root@localhost alex]# 

Discovering hosts on your network
[root@localhost alex]# arp
Address                  HWtype  HWaddress           Flags Mask            Iface
192.168.0.1              ether   00:1c:f0:54:4c:67   C                     wlan0


Finding other hosts on your network
[root@localhost alex]# nmap -sP 192.168.0.106/22

Starting Nmap 4.76 ( http://nmap.org ) at 2009-05-07 11:41 EDT
Host 192.168.0.1 appears to be up.
MAC Address: 00:1C:F0:54:4C:67 (D-Link)
Host 192.168.0.100 appears to be up.
MAC Address: 00:11:A0:04:59:EA (Vtech Engineering Canada)
Host 192.168.0.106 appears to be up.

Nmap done: 1024 IP addresses (3 hosts up) scanned in 81.99 seconds
[root@localhost alex]#