On 05/12/2010 11:10 AM, Roger Marquis wrote:
I don't personally know why application designers tend to use localhost IP ports instead of sockets, it's probably easier to code, but it is also more difficult for end-users / systems admins to secure.
Generally speaking? Because some application users like to distribute their services across multiple servers - this is even more common in virtual data centers.
(ya, I know, a postgrey server can be run locally on every postfix server, but you did ask the slightly more general question. :)
-- Harald