As you can see below, "SSL handshake interrupted by system" is being logged
to Apache's error_log every 3 minutes.  The box is running Red Hat Linux
release 5.2 (Apollo), Kernel 2.0.36.

Also notice that this was happening with Apache/1.3.4 (Unix) PHP/3.0.6
mod_ssl/2.1.8 SSLeay/0.9.0b and is still happening after upgrading to
Apache/1.3.6 (Unix) PHP/3.0.11 mod_ssl/2.3.5 OpenSSL/0.9.3a.  I've seen a
few messages about this error in the mailing list archives, but none seem to
match this pattern.  This server currently has very little traffic -
Probably not much more than 10 page views an hour.  Any idea what could be
causing this?  Is it harmless?  Can this error be disabled per configuration
if it is harmless?

 -- Jeremiah

error_log:
[Thu Jul  1 04:42:03 1999] [notice] Apache/1.3.4 (Unix) PHP/3.0.6
mod_ssl/2.1.8 SSLeay/0.9.0b configured -- resuming normal operations
[Thu Jul  1 04:43:22 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 04:46:22 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 04:49:22 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 04:52:22 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 04:55:23 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 04:58:23 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 05:01:23 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 05:04:23 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 05:07:23 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Thu Jul  1 05:10:23 1999] [error] mod_ssl: SSL handshake interrupted by
system
...
...
[Fri Jul  2 16:28:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:31:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:34:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:37:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:40:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:43:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:46:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:49:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:52:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:55:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 16:58:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:01:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:04:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:05:38 1999] [notice] caught SIGTERM, shutting down
[Fri Jul  2 17:06:45 1999] [notice] Apache/1.3.6 (Unix) PHP/3.0.11
mod_ssl/2.3.5 OpenSSL/0.9.3a configured -- resuming normal operations
[Fri Jul  2 17:07:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:09:46 1999] [error] mod_ssl: SSL handshake interrupted by
system (System error follows)
[Fri Jul  2 17:09:46 1999] [error] System: Connection reset by peer (errno:
104)
[Fri Jul  2 17:10:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:13:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:16:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:19:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:22:06 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:25:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:28:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:31:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:34:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:37:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:40:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:43:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:46:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:49:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:52:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:55:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 17:58:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 18:01:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 18:04:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 18:07:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 18:10:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 18:13:07 1999] [error] mod_ssl: SSL handshake interrupted by
system
[Fri Jul  2 18:16:07 1999] [error] mod_ssl: SSL handshake interrupted by
system

ssl_engine_log:
[02/Jul/1999 17:49:07] [info]  Connection to child 3 established (server
secure.emphasys.net:443)
[02/Jul/1999 17:49:07] [error] SSL handshake interrupted by system
[02/Jul/1999 17:52:07] [info]  Connection to child 7 established (server
secure.emphasys.net:443)
[02/Jul/1999 17:52:07] [error] SSL handshake interrupted by system
[02/Jul/1999 17:55:07] [info]  Connection to child 4 established (server
secure.emphasys.net:443)
[02/Jul/1999 17:55:07] [error] SSL handshake interrupted by system
[02/Jul/1999 17:58:07] [info]  Connection to child 5 established (server
secure.emphasys.net:443)
[02/Jul/1999 17:58:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:01:07] [info]  Connection to child 6 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:01:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:04:07] [info]  Connection to child 2 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:04:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:07:07] [info]  Connection to child 0 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:07:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:10:07] [info]  Connection to child 1 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:10:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:13:07] [info]  Connection to child 3 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:13:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:16:07] [info]  Connection to child 7 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:16:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:19:07] [info]  Connection to child 4 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:19:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:22:07] [info]  Connection to child 5 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:22:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:25:07] [info]  Connection to child 6 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:25:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:28:07] [info]  Connection to child 2 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:28:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:31:07] [info]  Connection to child 0 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:31:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:34:07] [info]  Connection to child 1 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:34:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:37:07] [info]  Connection to child 3 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:37:07] [error] SSL handshake interrupted by system
[02/Jul/1999 18:40:07] [info]  Connection to child 7 established (server
secure.emphasys.net:443)
[02/Jul/1999 18:40:07] [error] SSL handshake interrupted by system
______________________________________________________________________
Apache Interface to OpenSSL (mod_ssl)                   www.modssl.org
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