On the filter page in the Linksys DSL router UNCHECK Block Wan Request. George [EMAIL PROTECTED]
On Monday 10 December 2001 10:31 am, you wrote: > Hi folks, I've got a head scratcher here and I'd really like your help, > please. > > The problem arose when we replaced a RedHat 6.2 server with a Mandrake > 8.1 server. On the new Mandrake server, a few clients (out of about 400 or > so) are now having difficultly POP'ing their mail where they didn't have > before. > > What happens is that they are experiencing an extended connection time, > up to 60 seconds before the mail transfer starts after starting a mail run > via pop. In some cases, this is causing the client to time-out and report > the server is unreachable. > > If I monitor /var/log/secure and /var/log/syslog while one of these users > does a mail run, I see the POP3 connection made almost instantly in > /var/log/secure (so it's not a net latency). However, the pop service init > login doesn't show up (in /var/log/syslog) until quite a while later; when > it does, the user gets his mail. > > Thus the delay is occurring between the pop connection and the pop login. > > I was at one client's machine this weekend, trying to figure out what is > going on. He has one of those 4 port Linksys home router/NAT firewall > units. If I bypass the Linksys router and connect the cable modem > directly to his machine, the POP latency disappears and mail transfers are > fast. Put the Linksys router in the path and the long latency re-appears; > the log entries in /var/log/secure and /var/log/syslog are almost > simultaneous. (I do not know whether all the clients having problems have > such a router/NAT firewall or not). > > So far, I've not found out what happens on a POP connection after the > initial connection via xinetd and I have no idea what can be causing this > delay. > > Does anyone have anything to suggest? Thanks!
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