On Tue, 2005-03-08 at 13:11 -0700, Ashley M. Kirchner wrote: > This is slightly OT, but ti's been driving me nuts, so I'm hoping > someone here might have some suggestions as to what to look for here. I > have one Windows XP (SP2) machine that seems to randomly prevent > connections to our mail server via port 25. Our internal network > connects to our mail server, which is outside of our firewall and only > this one machine is having this problem. For no apparent reason at all > it will suddenly deny all connections made to the mail server through > port 25 (it can still RECEIVE e-mail since that goes over secure IMAP > port, but it can't send.) I can log onto the firewall, and everything > works as far as opening a connection to the mail server. I can get onto > a different machine on the network, and connect to the mail server just > fine, so I know it's not a firewall issue. It's just this ONE XP > machine that's experiencing this problem. And it only started happening > after installing SP2. Looking in Windows' firewall log, there's nothing > that points to port 25 being blocked. I can't telnet (to anything on > port 25, anywhere) from that machine, can't send e-mail, nothing. The > solution? Reboot the machine, and suddenly everything works again. So, > what gives? I have seen this problem on several SP2 boxes recently. In every case killing the firewall has fixed it. Personally, SP2 _causes_ more problems than it allegedly fixes IMHO. I am dreading the day it will be a mandatory install for my clients. > > -- > W | I haven't lost my mind; it's backed up on tape somewhere. > +-------------------------------------------------------------------- > Ashley M. Kirchner <mailto:ashley@xxxxxxxxxx> . 303.442.6410 x130 > IT Director / SysAdmin / Websmith . 800.441.3873 x130 > Photo Craft Laboratories, Inc. . 3550 Arapahoe Ave. #6 > http://www.pcraft.com ..... . . . Boulder, CO 80303, U.S.A. > > > > > -------------------------------------- Mark Haney markh@xxxxxxxxxxxxxxxxxx Fedora Core release 3 (Heidelberg) Kernel: 2.6.10-1.770_FC3 GNU/Linux 15:27:21 up 4 days, 5:07, 2 users, load average: 2.35, 2.57, 2.43