Nagios Support Forum

Awesome, thank you! I will get this updated and see what happens, but that makes sense.

Thanks again!

PHP 5.4.16 (cli) (built: Apr 1 2020 04:07:17) Copyright (c) 1997-2013 The PHP Group Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies PHP Fatal error: Call to undefined function openssl_get_curve_names() in Command line code on line 1 plus the same cert and keys from before: No client ce...

It looks like this way pulls my cert, and AD info, then presents the info below along with a session id and a master key. --- No client certificate CA names sent Peer signing digest: SHA256 Server Temp Key: ECDH, P-256, 256 bits --- SSL handshake has read 2201 bytes and written 450 bytes --- New, TL...

CONNECTED(00000003) 140158444750736:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:794: --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 7 bytes and written 289 bytes --- New, (NONE), Cipher is (NONE) Secure Renegoti...

Oh Gosh, my bad. If I replace that with my mail server address, I get a syntax error. It looks like the TLS1_3 does not exist as a command, but TLS1_2 does. If I run that, I get the following output on both ports. [ryanc@monitor-new ~]$ openssl s_client -tls1_2 -connect MYMAILSERVER:587 </dev/null C...

bash: MAIL: No such file or directory

But we are doing tls over 25 so I think this makes sense right?

Thanks!

Hi, Thanks for the response. I realized in my first response I may have not given enough information. The issue I am having is when my Nagios server sends email notifications out, under the security settings, I have none, tls, and ssl. I pick tls, and when we do a wireshark pcap, it comes across as ...

Hello, I saw an article where Nagios XI only supports TLS 1.0. I was hoping to switch it to something more relevant and secure like tls 1.2 or 1.3

Do you know if this is possible or supported?

Thanks!

Ryan

chage -l nagios Last password change : Jun 06, 2012 Password expires : never Password inactive : never Account expires : never Minimum number of days between password change : 0 Maximum number of days between password change : 99999 Number of days of warning before password expires : 7 grep nag /etc...

I updated to the latest, deleted the host, and re-monitored the host and port bandwidth and I still get the exact same messages...