Connection testing with Perl
If you've never used the Perl Sockets module for basic connection testing, you might be surprised at how easily you can craft a very useful script. I find my version of a Perl "listen" script to be as useful as a cable tester!
The Breaking Point
We hear it all the time – IT departments are under pressure but budgets and IT staff aren’t growing proportionately. Matters only get worse as disruptive technologies like SaaS, VoIP and virtualization begin to proliferate enterprise networks. Yet network administrators are forced to use highly fragmented, complex, and expensive management solutions that don’t provide good visibility. At what point does the network administrator go postal or gets fired because the VoIP system cuts out during prime work hours and the CEO can’t make his phone calls?
Study shows glacial pace of IPv6 adoption
A study this week has revealed just how slow is the rate of adoption for IPv6, the next version of the Internet's main communications protocol, and some experts say black markets where companies trade unused IP addresses may be only a few years away.
Google solves long Gmail outage, but questions remain
Late Friday night Google solved the third Gmail outage of the past two weeks, but questions remain about the stability of the Webmail service, which is affecting the Google Apps hosted software suite.
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Crimeware: Understanding New Attacks and Defenses
By Markus Jakobsson, Zulfikar Ramzan
Published Apr 6, 2008 by Addison-Wesley Professional. Part of the Symantec Press series.
Enter now! | Official rules | Sample chapter
Securing VoIP Networks: Threats, Vulnerabilities, and Countermeasures
By Peter Thermos, Ari Takanen
Published Aug 1, 2007 by Addison-Wesley Professional.
Enter now! | Official rules | Sample chapter
