[87] in 6.033 discussion
Re: Question on Glassman paper
Saltzer@ATHENA.MIT.EDU (Saltzer@ATHENA.MIT.EDU)
Tue Mar 19 11:21:01 1996
At 11:11 AM 3/19/96, Simon Lau wrote:
> As a follow-up question, we don't have a "firewall" per se for the
>the MIT campus network, do we? Specifically, is it true that the w91
>relay/router/gateway handles packets to and from ALL computers on the MIT
>Campus network, not just a short list of computers (as in the DEC
network)?
>So in a sense, ALL computers on MIT net are "directly" connected to the
>world outside?
That is right, there aren't any firewalls (that I know of) separating MIT
from the rest of the Internet. Firewalls generally get installed when
people become concerned about corporate security.
>Now how about e-mails? Don't we have something called POP servers? How
>does that fit into the picture?
POP servers are just places for holding incoming e-mail, till the recipient
can pick it up, much like a box at the U. S. Post Office.
Jerry
