issues with nrpe 2.5.1 starting correctly with AIX5.3 using inetd.conf

Mark Worrad mark at abtgroup.com.au
Tue Jul 18 23:57:22 CEST 2006


My version of NRPE

NRPE - Nagios Remote Plugin Executor
Copyright (c) 1999-2006 Ethan Galstad (nagios at nagios.org)
Version: 2.5.1
Last Modified: 04-09-2006
License: GPL v2 with exemptions (-l for more info)
SSL/TLS Available: Anonymous DH Mode, OpenSSL 0.9.6 or higher required

***************************************************************
** POSSIBLE SECURITY RISK - TCP WRAPPERS ARE NOT AVAILABLE!  **
**      Read the NRPE SECURITY file for more information     **
***************************************************************

My entry in inetd.conf with no ssl

nrpe    stream  tcp     nowait  nagios  /usr/local/nagios/nrpe -n -c /usr/local/
nagios/nrpe.cfg --inetd

bash-2.05b# ./check_nrpe -H x.x.x.x -n -c check_disk_live
CHECK_NRPE: Response packet had invalid CRC32.

I tried again with ssl

nrpe    stream  tcp     nowait  nagios  /usr/local/nagios/nrpe -c /usr/local/nag
ios/nrpe.cfg --inetd

bash-2.05b# ./check_nrpe -H 203.98.93.34 -c check_disk_live
CHECK_NRPE: Error - Could not complete SSL handshake.

The only way i get this to work is to start it in Daemon mode

bash-2.05b# /usr/local/nagios/nrpe -c /usr/local/nagios/nrpe.cfg -d

bash-2.05b# ./check_nrpe -H 203.98.93.34 -c check_disk_live
DISK OK - free space: /live 47832 MB (19%);| /live=208680MB;230860;243686;0;2565
12

I can have the daemon running with or without ssl and check_nrpe with or 
without ssl works fine

does any one have any ideas on why it will not work when run from inetd.conf. 
Do i have to have tcpwrappers installed for this to work, if so has anyone got 
tcpwrappers working on aix5.3



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