[dyukqu]

I've watched the show (only once, for now) and I love it but didn't understand the reference :|

[dodobirdlord]

It refers to the human's cybersecurity technique of banning inter-computer communication. The ship Galactica survives the initial cylon attack because it's too old to have networked devices onboard.

[smolder]

More than that, the captain specifically insisted that it NOT be upgraded with networking, despite the benefits, because of the security risks.