Michael Is the "trick" that the kernel makes packets destined *for* 127.0.0.0/8 appear to have come *from* 127.0.0.0/8?? I guess you couldn't have sending and receiving ports be the same then because then an app would be sending something to *itself* right?? That wouldn't make sense right?
Chris On Fri, Apr 22, 2005 at 10:39:49AM -0700, Michael O'Keefe wrote: > [EMAIL PROTECTED] wrote: > >I'm trying to understand what loopback interface is used for > >and /how/ it is works. > > > >Anyone got any examples of how an app uses loopback interface > >effectively?? > > > >I vaguely know it acts like a remote node without > >actually being one. I'd like the details. > > Think of it as a network card, where the TX ethernet pair "loopback" and > connect to the RX ethernet pair. Then you can talk ethernet to yourself > (and if you can talk ethernet, you can talk IP, TCP, UDP and so on and so > forth) > > Now instead of actually wasting a PCI slot and plugging in a real NIC and a > little RJ-45 adapter that does this wiring trick (which prolly would work > BTW), you have a fake device that does it all for you. > > -- > Michael O'Keefe | [EMAIL PROTECTED] > Live on and Ride a 03 BMW F650GSDakar| [EMAIL PROTECTED] / | > I like less more or less less than |Work:+1 858 845 3514 / | > more. UNIX-live it,love it,fork() it |Fax :+1 858 845 2652 /_p_| > My views are MINE ALONE, blah, blah, |Home:+1 760 788 1296 \`O'| > blah, yackety yack - don't come back |Fax :+1 858 _/_\|_, > > -- > [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
