How to know the program using which port no.?

[aska98]

Hi everyone,

i have a surveillance system at my house, and it also come with a remote access program. The problem is, how i able to know the port number that the program is using?? I try using LAN to access, it able to login. But i try to access using internet IP address, it unable to login into the surveillance system. I want to know the port number so that i able to set port forwarding in router. Please help me. Thx!!!

[Martin Zugec]

There is internal command

Netstat /b

or

you can use Fport

[aska98]

FPort is an application??

For netstat, i unable to understand what in means in the result

[Martin Zugec]

This is example of Fport output:

324                  ->  135   TCP
4     System         ->  139   TCP
4     System         ->  445   TCP
1856  rcHost         ->  798   TCP   C:\Program Files\CA\Unicenter Remote Control\rcHost.exe
944   WCESCOMM       ->  990   TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
3372  WCESMgr        ->  999   TCP   C:\Program Files\Microsoft ActiveSync\WCESMgr.exe
944   WCESCOMM       ->  1026  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
320   RTMService     ->  1043  TCP   C:\Program Files\Remote Task Manager\RTMService.exe
1856  rcHost         ->  1045  TCP   C:\Program Files\CA\Unicenter Remote Control\rcHost.exe
1856  rcHost         ->  1052  TCP   C:\Program Files\CA\Unicenter Remote Control\rcHost.exe
1176  inetinfo       ->  1053  TCP   C:\WINNT\system32\inetsrv\inetinfo.exe
1120  tngdta         ->  1054  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
1120  tngdta         ->  1055  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
1120  tngdta         ->  1056  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
388                  ->  1065  TCP
2096  AdMunch        ->  1101  TCP   C:\Program Files\Ad Muncher\AdMunch.exe
0     System         ->  1101  TCP
1856  rcHost         ->  1160  TCP   C:\Program Files\CA\Unicenter Remote Control\rcHost.exe
992   OUTLOOK        ->  1221  TCP   C:\Program Files\Microsoft Office\OFFICE11\OUTLOOK.EXE
944   WCESCOMM       ->  2067  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
944   WCESCOMM       ->  2068  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
3372  WCESMgr        ->  2070  TCP   C:\Program Files\Microsoft ActiveSync\WCESMgr.exe
944   WCESCOMM       ->  2072  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
944   WCESCOMM       ->  2073  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
944   WCESCOMM       ->  2074  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
3372  WCESMgr        ->  2080  TCP   C:\Program Files\Microsoft ActiveSync\WCESMgr.exe
2500  InoTask        ->  2521  TCP   C:\Program Files\CA\eTrust Antivirus\InoTask.exe
1068  cam            ->  3104  TCP   C:\Program Files\CA\SharedComponents\CAM\bin\cam.exe
212   svchost        ->  3389  TCP   C:\WINNT\system32\svchost.exe
4     System         ->  3663  TCP
2964  Maxthon        ->  3926  TCP   C:\Program Files\Maxthon\Maxthon.exe
2096  AdMunch        ->  3927  TCP   C:\Program Files\Ad Muncher\AdMunch.exe
2964  Maxthon        ->  3936  TCP   C:\Program Files\Maxthon\Maxthon.exe
2096  AdMunch        ->  3937  TCP   C:\Program Files\Ad Muncher\AdMunch.exe
2964  Maxthon        ->  3938  TCP   C:\Program Files\Maxthon\Maxthon.exe
2096  AdMunch        ->  3939  TCP   C:\Program Files\Ad Muncher\AdMunch.exe
2704  miranda32      ->  3966  TCP   C:\!\Icq\miranda32.exe
2704  miranda32      ->  3967  TCP   C:\!\Icq\miranda32.exe
1068  cam            ->  4105  TCP   C:\Program Files\CA\SharedComponents\CAM\bin\cam.exe
4     System         ->  4545  TCP
992   OUTLOOK        ->  4581  TCP   C:\Program Files\Microsoft Office\OFFICE11\OUTLOOK.EXE
992   OUTLOOK        ->  4585  TCP   C:\Program Files\Microsoft Office\OFFICE11\OUTLOOK.EXE
1776  omniinet       ->  5555  TCP   C:\Program Files\OmniBack\bin\omniinet.exe
3372  WCESMgr        ->  5678  TCP   C:\Program Files\Microsoft ActiveSync\WCESMgr.exe
944   WCESCOMM       ->  5679  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
944   WCESCOMM       ->  7438  TCP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
1120  tngdta         ->  8222  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
1120  tngdta         ->  8223  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
1120  tngdta         ->  8224  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
1120  tngdta         ->  8225  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
704   tngdoba        ->  8300  TCP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdoba.exe
1272  InoRpc         ->  42510 TCP   C:\Program Files\CA\eTrust Antivirus\InoRpc.exe

324                  ->  135   UDP
1272  InoRpc         ->  137   UDP   C:\Program Files\CA\eTrust Antivirus\InoRpc.exe
944   WCESCOMM       ->  138   UDP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
4     System         ->  445   UDP
1856  rcHost         ->  1025  UDP   C:\Program Files\CA\Unicenter Remote Control\rcHost.exe
320   RTMService     ->  1026  UDP   C:\Program Files\Remote Task Manager\RTMService.exe
944   WCESCOMM       ->  1027  UDP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
1176  inetinfo       ->  1044  UDP   C:\WINNT\system32\inetsrv\inetinfo.exe
1120  tngdta         ->  1059  UDP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
944   WCESCOMM       ->  1900  UDP   C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
1120  tngdta         ->  1900  UDP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
2096  AdMunch        ->  2493  UDP   C:\Program Files\Ad Muncher\AdMunch.exe
1120  tngdta         ->  3113  UDP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
1068  cam            ->  4104  UDP   C:\Program Files\CA\SharedComponents\CAM\bin\cam.exe
212   svchost        ->  4370  UDP   C:\WINNT\system32\svchost.exe
1120  tngdta         ->  4417  UDP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdta.exe
704   tngdoba        ->  4582  UDP   C:\Program Files\CA\SharedComponents\DTS\bin\tngdoba.exe
2704  miranda32      ->  4583  UDP   C:\!\Icq\miranda32.exe
1068  cam            ->  4725  UDP   C:\Program Files\CA\SharedComponents\CAM\bin\cam.exe
1776  omniinet       ->  5727  UDP   C:\Program Files\OmniBack\bin\omniinet.exe
3372  WCESMgr        ->  42508 UDP   C:\Program Files\Microsoft ActiveSync\WCESMgr.exe

[tridgely]

Perhaps more appealing is TCPView, a Sysinternals freeware program.

download

[Tarun]

a2HijackFree.

[tguy]

You could use a protocol analyzer like Ethereal, www.ethereal.com, to sniff the traffic it will identify the address and port number (socket) information.

[DigeratiPrime]

Currports (42kb) (Freeware)