Cyrus saslauthd and passwords containing quote marks

Saturday, 06. 11. 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, 02. 17. 2011  –  Category: sw, web

Recently a client was receiving complaints that their busy server hosting both their WordPress sites and their OpenX (( advertising is a necessary evil, right? )) 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 […]

Timeouts and failing fast

Sunday, 01. 23. 2011  –  Category: sw, web

“Integration points are the number-one killer of systems” – Release It!, Michael Nygard Last week I had two different web systems fail in a similar way. One was a single box running two busy WordPress sites, another was a largish multi-tier publishing cluster. Both dropped off air because they didn’t handle the failure of a […]

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