> Hmm, odd, but it's a well known phenomenon. Here's an example showing > solely the use of cmd.exe and iexplore.exe; Cygwin not involved at all > except for the diff command at the end. > > Microsoft Windows XP [Version 5.1.2600] > (C) Copyright 1985-2001 Microsoft Corp. > > C:\Documents and Settings\dk>netstat -ano > before.txt > > C:\Documents and Settings\dk>"\Program Files\Internet > Explorer\iexplore.exe" > > C:\Documents and Settings\dk>netstat -ano > after.txt > > C:\Documents and Settings\dk>diff -pu before.txt after.txt > --- before.txt 2008-09-25 14:28:39.829644300 +0100 > +++ after.txt 2008-09-25 14:28:50.955000300 +0100 > @@ -27,6 +27,7 @@ Active Connections > UDP 127.0.0.1:1025 *:* 600 > UDP 127.0.0.1:1028 *:* > 1108 UDP 127.0.0.1:1056 *:* > 1052 + UDP 127.0.0.1:2301 *:* > 2388 UDP 127.0.0.1:2584 *:* > 1580 UDP 192.168.1.150:123 *:* > 1580 UDP 192.168.1.150:137 *:* 4 > > C:\Documents and Settings\dk> > > > As you see, even when not showing a page (launching iexplore.exe = > about:blank on my machine), it has an open UDP socket. > > Sorry, I don't have a source right now; I'll keep looking. I'm writing > off the top of my head, and I just remembered that possibly it's not even a > loopback connection, it may just be some artifact of windows netstat. I'll > post again if I can find a reference.
Thanks for the explanation. I am going to test my winsock test program again. > > >> It's > >> used for some kind of internal loopbacky rpc-ish thingy and you can > >> ignore it. > > > > Could you provide me more info about this because it can be quite > > annoying in a real application ? > > What kind of "annoying"? It does no harm and requires no action on your > part TTBOMK. Nevermind, i did not test enough to see that one connection did no left one open udp socket. In my testcase there are no more than 4 udp socket left open. So i guess there is no problem... Thanks, Sylvain -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
