ERROR LOG MESSAGE: accept: Connection reset by peer

ERROR LOG MESSAGE: accept: Connection reset by peer

Post by Peter Y. Hammon » Tue, 08 Oct 1996 04:00:00



Hi-

I'm currently running Server Version: Stronghold/1.3.2 Ben-SSL/1.3
Apache/1.1.1 under Linux version 2.0.20.

My Error log keeps logging the same message spurraticly all of the time
and I am very curious as to what it means.

If anyone knows what this error log entry means and what I can do about

The error log says:

[Mon Oct  7 19:04:20 1996] accept: Connection reset by peer
[Mon Oct  7 19:04:20 1996] - socket error: accept failed

        THANKS!
--
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 | |__) |/ | |_| | |     Network Admin    | phone: (801) 328-4585
 |  ___/   |  _  | |     - VisionNet -    | fax:   (801) 328-4487
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ERROR LOG MESSAGE: accept: Connection reset by peer

Post by John Murtar » Thu, 10 Oct 1996 04:00:00


We are also experiencing these same errors with Apache 1.1.1
on Solaris 2.5.1 (x86) -- with TCP patches loaded.

[Wed Oct  9 06:19:46 1996] accept: Protocol error
[Wed Oct  9 06:19:46 1996] - socket error: accept failed

We are running about 15 <VirtualHosts>, but the error ONLY occurs
on the signle NON-virtual host in the httpd.conf???  Still serves
a lot of the pages, but we get hundreds of these on the one site?

--
                                          John
___________________________________________________________________
John Murtari                              Software Workshop Inc.

http://www.thebook.com/

 
 
 

1. sendmail trouble: NOQUEUE: SYSERR(root): getrequests: accept: Connection reset by peer

I posted this in comp.mail.sendmail, but didn't receive any responses.
Anyone here have any ideas?
=====
On a machine of mine, frequently I will receive this message in my maillog
regarding an incoming sendmail connection:

Sep 15 12:57:57 ctmail sendmail[265]: NOQUEUE: SYSERR(root): getrequests:
accept: Connection reset by peer

It happens every often, but doesn't happen all the time. A person will
connect to send their mail and will be disconnected from the mail server
immediately and that message will end up in the log file.

sendmail was working fine on an old mail server running RedHat 4.2 with the
sendmail that came with it. Once we converted completely to NAT, (so that
mail server's address became a 10.130.x.x address rather than a normal
Internet address) we started to have this problem. We tried upgrading to the
latest version of sendmail, but that didn't help the problem. So we tried
moving mail server to a COMPLETELY different machine running a completely
different RedHat release with completely different hardware on a completely
different network on a completely different switch... Things worked fine in
the beginnning. Then, after a while, one or two of these messages would
occur. After a longer while, the old problem came back to haunt us on the
COMPLETELY different server. (The only thing alike between the two servers
are the clients that connect to them -- everything dealing with the server
has changed)

A tcpdump from the old system shows a good connection starting out like
this:

(mail.customer.arl.calltech is the mail server -- callweb is a client
machine)

14:34:10.707243 callweb.4131 > mail.customer.arl.calltech.smtp: S
1451122715:145
1122715(0) win 32120 <mss 1460,sackOK,timestamp 110154711[|tcp]> (DF)
14:34:10.719242 mail.customer.arl.calltech.smtp > callweb.4131: S
90875368:90875
368(0) ack 1451122716 win 32736 <mss 1460>
14:34:10.719304 callweb.4131 > mail.customer.arl.calltech.smtp: . ack 1 win
3212
0 (DF)

A tcpdump from the old system shows a bad connection (one that produces the
sendmail error) starting out like this:

14:34:42.806926 callweb.4133 > mail.customer.arl.calltech.smtp: S
1481528582:148
1528582(0) win 32120 <mss 1460,sackOK,timestamp 110157921[|tcp]> (DF)
14:34:42.822687 mail.customer.arl.calltech.smtp > callweb.4133: R 0:0(0) ack
148
1528583 win 0

Any ideas what might be causing this problem?

All the best --
Ted

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