Fórum Ubuntu CZ/SK
Ostatní => Tipy a triky pro Linux => Téma založeno: petrakis 21 Srpna 2009, 11:24:48
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Celkem uzitecna utilitka na kontrolu otevrenych portu
sudo apt-get install knocker
a nasledne zadani prikazu : (IP vaseho pocitace si samozrejme date svoje)
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.
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alebo nmap je fajn
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To samé ti udělá i nmap (http://www.abclinuxu.cz/software/system/monitorovani/nmap). Je to všeobecně skvělý program na skenování portů :
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