Ping Question...

[Jerry — MacSolutions]

Thanks for the info Jon,

I'm familiar with the Network Utility but am trying to find a way to  
see if a particular email port is open through applescript.. Thus my  
question.

Your explanation did help!

Jp

On Mar 13, 2008, at 9:14 AM, McDanel Jon wrote:

> ping uses the ICMP protocol, which doesn't really listen on a port,  
> in the sense of a TCP or UDP port.
>
> You can do a port scan to see if a certain host has a certain port  
> active.  I don't recall the command line tool to do this, but Apple  
> includes the "Network Utility" that gives you a port scan option.   
> You can specify a host and a port range.
>
> It's advisable to use port scans 'nicely'.  Don't repeatedly scan a  
> host that is not yours or scan a large range of ports.  Many people  
> see this as a hacking attempt.  In fact I believe some firewalls can  
> detect a port scan and stop it.