2018-03-29
A friend gave me an interesting task: extract IP TTL values from TCP connections established by a userspace program. This seemingly simple task quickly exploded into an epic Linux system programming hack. ...
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2015-01-06
A few days ago, my colleague Marek sent an email about a DDoS attack against one of our DNS servers that we'd been blocking with our BPF rules....
2014-01-30
Over the past few years, the CloudFlare blog has covered a great range of different topics, drilling down into the technology we use to both protect websites from attack, and optimise them so that they load faster for visitors....
2013-02-01
CloudFlare makes caching easy. Our service automatically determines what files to cache based on file extensions. Performance benefits kick in automatically....
2012-05-19
At CloudFlare, we think a lot about the Domain Name Service -- better known as DNS, the Internet's address book. CloudFlare uses DNS to bring performance and security to our customers. ...
