[jakedata]

There was a Windows 2000 bug that would allow the computer to be crashed via a malformed IrDA packet. Of course someone crafted a Palm Pilot app to zonk all the vulnerable PCs in the vicinity. It worked on servers as well. Endless fun for a little while.

[zh3]

And of course the Ping of Death (which I thought was windows-only, but according to the linked article also affected linux and mac).

[0] https://en.wikipedia.org/wiki/Ping_of_death

[PunchyHamster]

why would there be irda on server ?

[eps]

Bonus question is which PCs had IR ports.

[nathanlied]

Some laptops had them, and came with IR remotes. Some of the marketing was around using those laptops as "media centres", and you could control them from the sofa while it was plugged into a TV.

[nmstoker]

With line of sight too?