NRPE SSL authentication
Wim
wdh at belbone.be
Tue May 25 09:39:19 CEST 2004
Hi all!
I have a problem with NRPE on one of our servers.
I compiled NRPE on one of our servers and configured my nagios to check
some services on the remote server, but I get following message as the
result of my service check:
CHECK_NRPE: Error receiving data from daemon.
When I look on the server where I installed NRPE on, I see in the
/var/log/messages file:
May 25 09:08:46 odin nrpe[15635]: Error: Could not complete SSL handshake. 1
Is it because the SSL versions are not matching or am I missing something?
Thanx for any help!
Wim
------------------------------------------------------------------------------
***
My versions:
NRPE - Nagios Remote Plugin Executor
Copyright (c) 1999-2003 Ethan Galstad (nagios at nagios.org)
Version: 2.0
Last Modified: 09-08-2003
License: GPL with exemptions (-l for more info)
SSL/TLS Available: Anonymous DH Mode, OpenSSL 0.9.6 or higher required
NRPE Plugin for Nagios
Copyright (c) 1999-2003 Ethan Galstad (nagios at nagios.org)
Version: 2.0
Last Modified: 09-08-2003
License: GPL with exemptions (-l for more info)
***
My SSL version is 0.9.6b on the NRPE side and 0.9.7a on the check_nrpe
side.
***
My Nagios serve runs RedHat 8.0:
Linux nagios.car.belbone.be 2.4.20-8smp #1 SMP Thu Mar 13 17:45:54 EST
2003 i686 i686 i386 GNU/Linux
***
My remote server runs RedHat 7.3:
Linux odin.car.belbone.be 2.4.18-3 #1 Thu Apr 18 07:37:53 EDT 2002 i686
unknown
***
My config in Nagios:
# 'check-nrpe' command definition
define command {
command_name check_nrpe
command_line /usr/local/nagios/libexec/check_nrpe -H $HOSTADDRESS$
-c $ARG1$
}
***
On the remote server, NRPE is configured to run under xinetd:
service nrpe
{
disable = no
flags = REUSE
socket_type = stream
wait = no
user = nagios
server = /usr/sbin/nrpe
server_args = -c /home/nagios/nrpe.cfg --inetd
log_on_failure += USERID
only_from = 192.168.xxx.xxx
}
***
My file permissions on the NRPE server:
-rw-r----- 1 nagios nagios 1671 May 25 09:23 nrpe.cfg
crw-r--r-- 1 root root 1, 8 Apr 11 2002 /dev/random
***
NRPE.cfg:
dont_blame_nrpe=0
debug=1
command_timeout=60
command[check_disk]=/usr/local/nagios/libexec/check_disk -w 20 -c 10 -m
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