SSL handshake of doom

James Nachlin jim at motionbox.com
Fri May 5 17:42:48 CEST 2006


Hi,

I'm getting the dreaded "CHECK_NRPE: Error - Could not complete SSL 
handshake" error.

Both nrpe and check_nrpe are 2.5.1; both say "SSL/TLS Available".  The 
nagios user owns the config file.  "/dev/*random*" is readable, and 
"allowed_hosts" is commented out in the config file.

Both machines are running CentOS, 2.6.9 SMP kernel, OpenSSL 0.9.7a.

This connects (where yo is the nagios server and survivor is the client):

[root at yo ~]# telnet survivor 5666
Trying 192.168.2.101...
Connected to survivor (192.168.2.101).
Escape character is '^]'.
Connection closed by foreign host.


Can anyone suggest what to try next?  Any and all suggestions appreciated.

Finally, nrpe.cfg:
pid_file=/var/run/nrpe.pid
server_port=5666
nrpe_user=nagios
nrpe_group=nagios
dont_blame_nrpe=1
debug=0
command_timeout=60
command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10
   ... commands left out for brevity.


-- 
Jim Nachlin
Motionbox Systems Administrator


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