nmap을 이용한 특정 서버를 IP주소로 스캔하기

[root@su250 Packages]# nmap -sT -O -v 192.168.0.100

Starting Nmap 4.68 ( http://nmap.org ) at 2008-12-2900:04 KST

Initiating ARP Ping Scan at 00:04

Scanning 192.168.0.100 [1 port]

Completed ARP Ping Scan at 00:04, 0.01s elapsed (1 total hosts)

Initiating Parallel DNS resolution of 1 host. at 00:04

Completed Parallel DNS resolution of 1 host. at 00:04, 0.00s elapsed

Initiating Connect Scan at 00:04

Scanning 192.168.0.100 [1715 ports]

Discovered open port 21/tcp on 192.168.0.100

Discovered open port 111/tcp on 192.168.0.100

Discovered open port 22/tcp on 192.168.0.100

Discovered open port 80/tcp on 192.168.0.100

Discovered open port 445/tcp on 192.168.0.100

Discovered open port 3306/tcp on 192.168.0.100

Discovered open port 873/tcp on 192.168.0.100

Discovered open port 139/tcp on 192.168.0.100

Completed Connect Scan at 00:04, 1.60s elapsed (1715 total ports)

Initiating OS detection (try #1) against 192.168.0.100

Host 192.168.0.100 appears to be up ... good.

Interesting ports on 192.168.0.100:

Not shown: 1707 closed ports

PORT     STATE SERVICE

21/tcp   open  ftp

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

139/tcp  open  netbios-ssn

445/tcp  open  microsoft-ds

873/tcp  open  rsync

3306/tcp open  mysql

MAC Address: 00:C0:26:27:E5:CB (Lans Technology CO.)

Device type: general purpose

Running: Linux 2.4.X

OS details: Linux 2.4.18 - 2.4.32 (likely embedded)

Uptime: 5.327 days (since Tue Dec 23 16:13:36 2008)

Network Distance: 1 hop

TCP Sequence Prediction: Difficulty=199 (Good luck!)

IP ID Sequence Generation: All zeros

Read data files from: /usr/share/nmap

OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .

Nmap done: 1 IP address (1 host up) scanned in 3.336 seconds

           Raw packets sent: 20 (1640B) | Rcvd: 16 (1376B)

[root@su250 Packages]#