merge + synonym [tag:syn] into [tag:tcp]
merge [tag:algorithm] into [tag:hash] (some questions need algorithm removing first, [some need a new tag](http://security.stackexchange.com/questions/31000/does-chaos-theory-have-any-practical-application-in-computer-security))
merge + synonym [tag:upgrades] into [tag:patching]
merge + synonym [tag:rdp] into [tag:remote-desktop] (unless you're keeping it split for the individual protocols but then 'remote-desktop' *is* RDP, there is [tag:rdesktop] for rdesktop, for example)