John So loopback is used for interprocess communication?? And each port is associated with a process??
How come powers that be gave loopback a zillion addresses instead of just 127.0.0.1/32?? Chris On Fri, Apr 22, 2005 at 09:16:22AM -0700, John H. Robinson, IV wrote: > [EMAIL PROTECTED] wrote: > > I'm trying to understand what loopback interface is used for > > and /how/ it is works. > > I'm not exactly sure how it works. But it looks like a network > interface, except it never leaves the box. This means that a Linux(UNIX) > box with no network interfaces (no ethernet, no phone line, no ISDN, no > toekn ring,no nothing) can still do all those neat networking protocol > stuff. > > > Anyone got any examples of how an app uses loopback interface > > effectively?? > > Start a webserver. > http://127.0.0.1/ > > Start an ftp server, > ncftp 127.0.0.1 > > Start an X server > DISPLAY=127.0.0.1:0; export DISPLAY > (or setenv DISPLAY 127.0.0.1:0 for you *csh'rs) > > > I vaguely know it acts like a remote node without > > actually being one. I'd like the details. > > Not sure what details you need. > > -john > -- > [email protected] > http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list > -- _______________________________________ Christian Seberino, Ph.D. SPAWAR Systems Center San Diego Code 2872 49258 Mills Street, Room 158 San Diego, CA 92152-5385 U.S.A. Phone: (619) 553-9973 Fax : (619) 553-6521 Email: [EMAIL PROTECTED] _______________________________________ -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
