[Memphis.pm] smc barricade routerand dynamic dns script

[Alaric Ravenhall]

Hi mongers.

I've run into an interesting problem I'm going to solve with Perl.
I have a friend with an ethernet DSL modem and an SMC barricade router. He 
is running an apache webserver and has a dynamic DNS name - Hn.org.
He wants to automatically update his DNS with his current IP every hour. No 
problem with Linux and cron, right? Well... he is behind the router and the 
hn.org Perl script grabs the ip address of his webserver, which is assigned 
via DHCP. So, heres's my plan:
Write a Perl script that pulls the embedded web page from his router and 
regexes it for the external IP. Store that to a variable, and throw it up to 
HN.org in the required manner. Schedule it with cron, and BAM!(props to 
Emeril) issue solved!
I will probably use LWP:user agent to pull the page from the router. 
Comments?
Ravenhall

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