Kontrola otevrenych portu -[Knocker]

[petrakis]

Celkem uzitecna utilitka na kontrolu otevrenych portu

Kód: [Vybrat]

sudo apt-get install knocker
a nasledne zadani prikazu : (IP vaseho pocitace si samozrejme date svoje)

Kód: [Vybrat]

knocker -H 192.168.10.3 -SP 1 -EP 1024
vysledek v danem pripade:

+-----------------------------------------------------------------------------+
|--=| k n o c k e r -- t h e -- n e t -- p o r t s c a n n e r |=-=[ 0.7.1 ]=-|
+-----------------------------------------------------------------------------+

 - started by user petrakis on Fri Aug 21 00:15:28 2009

 - hostname to scan: 192.168.10.3
 - resolved host ip: 192.168.10.3
 - - scan from port: 1
 - - - scan to port: 1024
 - - - -  scan type: tcp connect

+=- - - - - - - - - - - - - - - - - - - - - - - - - - - - -  s c a n n i n g  -

 -=[ 22/tcp, ssh ]=- * OPEN *

+=- - - - - - - - - - - - - - - - - - - - - - - - - - - -  c o m p l e t e d  -

 - scanned host name: 192.168.10.3 IP: 192.168.10.3

 - found 1 open ports in a total of 1024 ports scanned.

 - port scan completed in 0.01 seconds.

[mrstevo]

alebo nmap je fajn

[Beetljuice]

To samé ti udělá i nmap. Je to všeobecně skvělý program na skenování portů :

Kód: [Vybrat]

nmap localhost

Starting Nmap 4.75 ( http://nmap.org ) at 2009-08-21 13:38 CEST
Interesting ports on localhost (127.0.0.1):
Not shown: 990 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
25/tcp   open  smtp
111/tcp  open  rpcbind
139/tcp  open  netbios-ssn
445/tcp  open  microsoft-ds
631/tcp  open  ipp
5432/tcp open  postgresql
5801/tcp open  vnc-http-1
5901/tcp open  vnc-1
8010/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 0.20 seconds