Fun and games with Apache’s mod_headers

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A little while ago we just noticed a customer’s server doing roughly equal amounts of HTTP traffic both inbound and outbound. This isn’t a problem in and of itself, but it’s very activity unusual for HTTP, which is usually heavily biased towards outbound traffic, and the volume of requests was overwhelming the server and making […]

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PHP on shared hosting – doing it better

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Large scale shared hosting with an out-of-the-box install of apache and PHP is a recipe for security-disaster; this is not news. The solution is to run each website’s code separately so they can’t affect each other. This is pretty common nowadays but it wasn’t always the case with many providers. Anchor’s been doing this for […]

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The importance of keeping clean log files

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I was shoulder-surfing a colleague today while they were trying to diagnose a webserver problem for a client. I noticed, certainly not for the first time, that the Apache error log message was filled with messages like “robots.txt not found” and “favicon.ico not found”. Surely these must be amongst the most frequently logged errors (if […]

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