Category Archives: Computing

Hardware, software, computer science and the rest

Four Laws of Network Protocols

After fiddling with my LDAP server (which now serves NetBSD and new style Mac OS X auto mounter maps) for several hours I realised that I should finally write down my four laws of network protocols: Network protocols which have simple in their … Continue reading

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Heartbleed

Yesterday  a serious vulnerability in the OpenSSL cryptographic library has been made public. This vulnerability is known as the Heartbleed Bug. It is a very malicious problem because it  leads to exposure of arbitrary information by any server which provides services that … Continue reading

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A Secure Replacement for WhatsApp

For a while I used the WhatsApp instant messenger as a replacement for SMS. The application had a nicer user interface than Android’s SMS application (and probably still has). The WhatsApp service also allowed me to avoid the ridiculous fees … Continue reading

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