pf on OS X 10.7

Wednesday, 14. 09. 2011  –  Category: sw

Today’s the first day that my new laptop, which runs OS X 10.7 (Lion), will sit on an untrusted network so I figured it was time to port my firewall rules across from the old one, that ran OS X 10.6 (Snow Leopard). I cut my UNIX teeth at a cryptoanarchist shop whose culture of [...]

Cyrus saslauthd and passwords containing quote marks

Saturday, 11. 06. 2011  –  Category: sw

n the back of reading how affordable and powerful GPUs make for insanely fast brute-force software (eg: whitepixel2) I recently did a round of password strengthening, even for accounts that aren’t immediately vulnerable to 30 billion MD5s a second (yes!) attacks. I then found then whenever I sent mail using authenticated SMTP my mail server [...]

Competing webserver workloads

Thursday, 17. 02. 2011  –  Category: sw, web

Recently a client was receiving complaints that their busy server hosting both their WordPress sites and their OpenX1 banner delivery was underperforming. Specifically, sites including their banners were seeing page loads hang on them. If you’re in the business of selling banners this is bad news. There were reports of the WordPress sites being slow [...]

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