[asterisk-users] Asterisk -rx, how expensive is it? Should you avoid "spamming" it?

[A J Stiles]

On Thursday 24 Apr 2014, Mikael Fredin wrote:
> I will look into netcat as well, thank you

There's not much to look into, really!  It's just a command-line tool for 
connecting STDIN and STDOUT to a network socket.

$ echo -e "WIBBLE\nWIBBLE\nWIBBLE" | nc somehost.co.uk 3245

will send
WIBBLE
WIBBLE
WIBBLE
to port 3245 of host somehost.co.uk , and display any response coming back on 
STDOUT.  It really is that simple!

Another example:

$ echo -e "USER fred\nPASS b00bies\nQUIT" | nc pop3.myisp.co.uk 110

will quickly login to your POP3 server and then logout without retrieving any 
messages; this can be useful if you need to make a POP3 connection before you 
can send mail using SMTP.

-- 
AJS

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