Open ports question.

zino

OSNN Junior Addict
Joined
Jan 6, 2004
Messages
46
#1
Is there any way of using CMD to check if a port is open on a remote pc? Ive tried the ping command with ipaddress: portnumber but that doesnt work.

Ive also check the technet on microsoft and have been unable to find anything that will give me a clue how to do this.

Was just trying to trouble shoot a small issue with my hope pc from work, and see if a port at home was open or not, etc.

Thanks for any help.
 

Xie

- geek -
Joined
Sep 29, 2003
Messages
5,275
#2
You could use a portscanner or you could use a website based scanner like pcflank. Being at work though I would make sure nobody is gonna get upset your port scanning comps from your network :p

*Edit* - ok I forgot pcflank uses the machine's ip that your on ... I have seen other web based port scanners that allow you to enter an ip (though the majority don't as it could be used for evil).
 
P

PseudoKiller

Guest
#3
you can open a command prompt and type netstat -a to see all connections to your pc...
or try cmd prompt type telnet <ip address> <port number> and see if it answers
 

Xie

- geek -
Joined
Sep 29, 2003
Messages
5,275
#5
PseudoKiller said:
you can open a command prompt and type netstat -a to see all connections to your pc...
or try cmd prompt type telnet <ip address> <port number> and see if it answers
yes but a netstat on your machine doesn't always tell you what others see from the outside ... it doesn't take into account routers/firewalls and the like.
 

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