May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Certificate File: None
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Private Key File: None
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL CA Certificate File: None
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Cipher List: ALL:!MD5:@STRENGTH:@SECLEVEL=0
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Allow ADH: 1
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Log Options: 0xffffffff
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Version: TLSv1_plus And Above
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: Connected to x.x.x.x
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: Remote x.x.x.x does not support version 3/4 packets
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Certificate File: None
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Private Key File: None
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL CA Certificate File: None
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Cipher List: ALL:!MD5:@STRENGTH:@SECLEVEL=0
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Allow ADH: 1
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Log Options: 0xffffffff
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: SSL Version: TLSv1_plus And Above
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: Connected to x.x.x.x
May 22 09:21:49 vps-b0893967 check_nrpe_4.1.0: Remote x.x.x.x accepted a version 2 packet
output:
CHECK_NRPE: Receive header underflow - only -1 bytes received (4 expected).
The same nagios configuration on Nagios Core 4.3.4 (compiled from source) on Debian 9.13 (stretch) works fine (check_nrpe version: 3.0.1), so I believe is not something related to the monitored server.
I have searched a lot on the web, my understanding is that the issue is related to the openssl version of Ubuntu 22.04.
Hi, I have installed Nagios Core 4.4.6 from Ubuntu 22.04 repo.
/usr/lib/nagios/plugins/check_nrpe -V
sayswhen I run
this appears in
/var/log/syslog
:output
if I try
/usr/lib/nagios/plugins/check_nrpe -n -s-1 -H example.com -u -t 20 -c check_lsb_release
syslog:
and the output is
I have compiled check_nrpe 4.1.0, running this version
syslog:
and with
output:
The same nagios configuration on Nagios Core 4.3.4 (compiled from source) on Debian 9.13 (stretch) works fine (check_nrpe version: 3.0.1), so I believe is not something related to the monitored server.
I have searched a lot on the web, my understanding is that the issue is related to the openssl version of Ubuntu 22.04.
What can I do? Workaounds? Idea? Fixes?
Thanks!