screams dns, but not really. Very odd.
I'd take down the FW long enough to make sure it's not the cause, then start
looking for DNS issues. Usually something that won't work for a while then
suddenly starts working screams a DNS server is resolving 1/2 the time.
-Original Message-
From: Tom Yarrish [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 29, 2001 7:24 AM
To: [EMAIL PROTECTED]
Subject: Connection refused - but not really...
Hey all,
I'm a newcomer to the list, but I've been using qmail for about a year or
so. Recently my original qmail server (RH 6.2 - Sparc) died (bad memory)
and in a rush I built a new qmail server on another machine (RH 7.1 -
486). The server seems to run fine, no error and such. The way my system
is setup is that I have my hosting company forward any mail for my
yarrish.com domain to my mail server behind my firewall. So I'm only
allowing this one machine to connect to my qmail server. I've noticed
lately that I'm getting mail in bursts. Meaning I'll get 40 messages at
one point, and then nothing for a certain amount of time (it's not
consistent as far as I can tell). Then I'll get another 20-50 messages or
so. So what I did as a test, was to allow one of my shell accounts to
access port 25 of my qmail server via my firewall. So what happens is
when I try to telnet to my ip on port 25, I'll get a number of connection
refused (the number varies) and then I'll connect. Once I connect, I can
disconnect and reconnect without any problems. Then if I wait a while and
try again, the problem repeats itself. This never happened before on my
old mail server.
I've talked to my hosting company, and their logs are showing the same
timeout message and then connect. Also, if I try to connect from one of
my other machines on the same network as my qmail server, the connection
is not refused. My firewall logs are not showing the packet being dropped
(and normally it would, I've tested that as well). Now I have order a new
network card, just to eliminate that possibility (I don't know how old the
card in the qmail server currently is). But I'm wondering if anyone else
can suggest something to look at, at least to eliminate the qmail server
being the problem. I am going to fire up the old qmail server and see if
the problem is still there.
Here's my startup for smtpd:
#!/bin/sh
QMAILDUID=`id -u qmaild`
NOFILESGID=`id -g qmaild`
MAXSMTPD=`cat /var/qmail/control/concurrencyincoming`
exec /usr/local/bin/softlimit -m 200 \
/usr/local/bin/tcpserver -v -o -P -H -R -llocalhost.localdomain -x
/etc/tcp.smtp.cdb -c $MAXSMTPD \
-u $QMAILDUID -g $NOFILESGID 0 smtp /var/qmail/bin/qmail-smtpd
21
Thanks ahead of time for any help.
Tom
--
#!/usr/bin/perl -w # 526-byte qrpff, Keith Winstein and Marc Horowitz
[EMAIL PROTECTED] # MPEG 2 PS VOB file on stdin - descrambled output
on stdout # arguments: title key bytes in least to most-significant order
$_='while(read+STDIN,$_,2048){$a=29;$c=142;if((@a=unxC*,$_)[20]48){$h=5;
$_=unxb24,join,@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$/;$d=
unxV,xb25,$_;$b=73;$e=256|(ord$b[4])9|ord$b[3];$d=$d8^($f=($t=255)($d
12^$d4^$d^$d/8))17,$e=$e8^($t($g=($q=$e147^$e)^$q*8^$q6))9
,$_=(map{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])110;$t
^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m17)),$b^=$_%64?12:0,@z)[$_%8]}(16..271)
)
[$_]^(($h=8)+=$f+(~$g$t))for@a[128..$#a]}print+xC*,@a}';s/x/pack+/g;eva
l
