masquerading


masquerading

(networking)"NAT" (Linux kernel name).

masquerading

(messaging)Hiding the names of internal e-mail clientand gateway machines from the outside world by rewriting the"From" address and other headers as the message leaves theorganisation.

This is good practise because external users do not need toknow about internal changes in message routing. The externalmail gateway needs to know how to route incoming replies backto the original sender.