Nagios Support Forum

Thank you cdienger! I ran the nrpe agent daemon on the monitored host with -n, and now check_nrpe on Nagios works! /usr/local/nagios/libexec/check_nrpe -H 192.168.5.150 -n NRPE v2.15 Thank you once again, but I think I will install from the Nagios 3 Ubuntu package like we used to do before, so that ...

Yes, I did run /usr/local/nagios/libexec/check_nrpe -H 192.168.5.150 -2 Looks like the -2 option is not working? Or forcing it to sslv2 doesn't make it use 512 bit dh ? Thank you once again cdienger. root@pa037:/usr/local/nagios/etc/objects# /usr/local/nagios/libexec/check_nrpe -H 192.168.5.150 -2 C...

Thank you cdienger. The check_nrpe -2 didn't work. Still getting the same error: dh key too small Upgrading all our clients is too much work. To many clients. Maybe we will install Nagios 3 server from the Ubuntu package instead ... check_nrpe -n also didn't work. Got this error: CHECK_NRPE: Receive...

Thank you cdienger. We're on to something. See log message below. The dh key on Nagios server is 2048 bit but on our clients, it is 1024 bit (or even 512bit)? How to change client to use dh 1024 bit? On the Nagios server, we installed nrpe-3.2.1 from souce. But on all our clients, we used the Ubuntu...

Hi All We downloaded and installed Nagios core nagios-4.4.2 from source on Ubuntu recently. We also installed nrpe-3.2.1 from source following the instructions here: https://support.nagios.com/kb/article.php?id=515#Ubuntu We are getting this error "CHECK_NRPE: (ssl_err != 5) Error - Could not c...