Trainings at INFILTRATE and EkoParty

[Dave Aitel <dave () immunityinc com>]

Right now it says "coming soon" but if you want to sign up for the
Master Class before the rush (or because you have end of year money),
now is a good time to call up. Last year it sold out fairly fast and we
don't do the class anywhere but at INFILTRATE.

http://www.immunityinc.com/infiltrate/training.html

Likewise, Immunity's EkoParty "Finding Bugs"
<http://blog.ekoparty.org/2011/07/training-finding-bugs.html> (en
Espanol) sold out, but the Python for Hackers
<http://www.ekoparty.org/training-python-for-hackers.php> class has a
few more spots, I'm told. I guess technically that should be Piton por
Hackers? In any case...

Something I learned recently about Python is that the default host->IP
API in Socket looks for IPv6 addresses. Then when you don't have one, it
won't cache the result. So every time you try to use urllib to open a
web site, it will do a DNS query, which will take 3 seconds
<http://stackoverflow.com/questions/6605154/persistent-dns-caching-not-utilized-by-pythons-socket-getaddrinfo-mercurial>.
This is "less than ideal", as we say in Immunity. I bet Ruby solves this
problem with Blocks, somehow. :>

-dave

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