1. A system comprising: a processor; a memory; a first network interface; a second network interface; and software in the memory that is operable on the processor for causing the system to: establish an assured pipeline between the first network interface and the second network interface; encrypt outbound network traffic received on the first network interface; send the encrypted outbound network traffic via the assured pipeline to the second network interface; decrypt inbound network traffic received on the second network interface; and send the inbound decrypted network traffic via the assured pipeline to the first network interface.