Perl DUNDi Library

Submitted by tensai on Mon, 04/14/2014 - 11:50am

I've started work on a Perl DUNDi library. At this point it does some basic parsing of input, but nothing regarding output.

You can follow along at https://www.zmonkey.org/blog/project/perl-dundi-library/about. Source is on Github at https://github.com/heytensai/dundi.

To learn more about DUNDi, see http://www.voip-info.org/wiki/view/Asterisk+DUNDi+Call+Routing.

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Multithreaded DNS Scanner

Submitted by tensai on Fri, 03/29/2013 - 11:32pm

Just the other day, Spamhaus was subject to a DDoS attack from an ISP who got upset at being blacklisted. That's par for the course, but what's interesting is that the ISP used a DNS amplification to boost their DDoS capabilities. Lately at work we've been working on shutting down our open DNS proxies. Once upon a time, on the naive Internet, they were fine. But as evidenced by this latest attack, such is not the case any longer.

Shutting down the DNS servers we knew about was easy, of course. But what about the ones we didn't know of? Well that's where a handy port scanner comes into play. There are a number of DNS scanners out there but I found them all lacking in some regard. So I whipped up my own.

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Catalyst and Rsync

Submitted by tensai on Tue, 11/13/2012 - 10:37am

Catalyst and Rsync don't seem to get along well. That is to say, the built-in development server doesn't notice when rsync changes source files. The upshot is Catalyst won't automatically reload the application on change, and that's just plain annoying.

The solution is to use the --inplace option to rsync. This alters how rsync propagates changes and plays nice with Catalyst.

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Presenting at UTOSC 2009

Submitted by tensai on Wed, 09/16/2009 - 8:10am

I will be presenting at the Utah Open Source Conference (UTOSC) again this year. On tap are 3, count 'em, 3 presentations. I'm still not quite sure what possessed me to submit 3 abstracts but I did and (just to spite me I think) they accepted all of them.