check_nt MEMUSE

[Richard Gliebe]

On 11/19/09 2:37 PM Thomas Guyot-Sionnest wrote:

Hi there,

>> the Client Logfile shows me:
>>
>> [...]
>> 2009-11-19 07:43:04: error:D:\source\NSCP-stable\include\Socket.h:699:
>> Error: Could not complete SSL handshake : [-1] 1, attempting to resume...
>> [...]
>>
>> Whats going on? ;-)
> 
> This seems to be because your NRPE don't have ssl enabled. Look at the
> - --help output of check_nrpe, you should see:
> 
> SSL/TLS Available: Anonymous DH Mode, OpenSSL 0.9.6 or higher required

check_nrpe --help isn't show me something like SSL/TLS.

We are using
NRPE Plugin for Nagios
Copyright (c) 1999-2003 Ethan Galstad (nagios at nagios.org)
Version: 1.9
Last Modified: 07-22-2003
License: GPL

>> ;# USE SSL SOCKET
>> ;  This option controls if SSL should be used on the socket.
>> use_ssl=1
> 
> Atlernatively turn this to 0 and use the -n switch in check_nrpe (so if
> you upgrade you won't break your checks by enabling SSL)

OK, I've set use_ssl to "0"

now I'm getting following message:

# ./check_nrpe -H <WindowsClient> -p 5666 -c alias_up
CHECK_NRPE: Received 0 bytes.  Are we allowed to connect to the host?

allowed_hosts entries are 'blank' (only for testing)

the logfile from the Windows Client shows me:

2009-11-21 05:11:39: error:modules\NRPEListener\NRPEListener.cpp:358: We 
got more then we wanted 1036, we only got: 1040

>> ;# BIND TO ADDRESS
>> ;  Allows you to bind server to a specific local address. This has to be
>> a dotted ip adress not a hostname.
>> ;  Leaving this blank will bind to all avalible IP adresses.
>> ; bind_to_address=
>> ;
>> ;# ALLOWED HOST ADDRESSES
>> ;  This is a comma-delimited list of IP address of hosts that are
>> allowed to talk to NRPE deamon.
>> ;  If you leave this blank the global version will be used instead.
>> allowed_hosts=<removed>
> 
> Make sure tis parameter list the IP/network from your monitoring server
> (be extra careful if your monitoring server has multiple VLANs / servers)

for testing, all allowed_hosts entries in nsc.ini are now blank.

This version of check_nrpe is running on our nagios servers:

NRPE Plugin for Nagios
Copyright (c) 1999-2003 Ethan Galstad (nagios at nagios.org)
Version: 1.9
Last Modified: 07-22-2003
License: GPL

(I know, its an old version, but at the moment we can't upgrade to the 
newest version)

and NSClient++ 0.3.7.493 2009-10-12 on our Windows Clients (32 and 64 bit).

thanks in advance
Richard

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