On Tue, 13 Nov 2001, Jack Smith wrote: > Paul Haesler wrote: > > > Hi all, > > > > Just experienced a very weird problem. > > > > My Debian box has 2 NIC's: eth1 connects to the cable modem > > and the outside world, eth0 connects to the Windoze boxen on my > > LAN (192.168.1.0/8 - Masqueraded access to outside world.) > > > > Yesterday I had a weird thing.My Debian box could not connect > > to my ISP's SMTP server - no response whatsoever.What's weird > > is I could connect to the same box on the same port from my > > masqueraded Windoze boxes!! > > > >Bringing the external ethernet interface down and back up again > > fixed the problem - but why was it happening in the first place? > > > > Has anybody else seen anything like this, or have any theories > > as to what was going on? > > > > Was it the same IP address after you brought it down and up?I believe they > have several different mail servers.Possibly the one your server was sending > to was no longer there but you had cached the address?Just guessing.
Is there any way for me to clear this cache without taking the interface down? w2k has 'ipconfig /flushdns' (which is supposed to do that, but doesn't seem to work) -- Tzafrir Cohen /"\ mailto:[EMAIL PROTECTED] \ / ASCII Ribbon Campaign Taub 229, 04-829-3942 X Against HTML Mail http://www.technion.ac.il/~tzafrir / \
