Hi Bas. On 17-04-20 12:18, Bas Couwenberg wrote: > Since this is an upstream issue, I've forwarded your request upstream. Thanks a lot. > On 2017-04-20 12:07, Ralf G. R. Bergs wrote: >> I'm seeing scans from hosts on the internet like follows: I was wrong. That was my own Nagios server, which is running under Ubuntu. I recently upgraded it to Ubuntu 17.04, and the nrpe plugin is at version 3, so it tries to connect with protocol version 3 first, then 2. This gives the warnings I reported... :-) > Due to NRPEs security track record you should really put the NRPE > services behind a firewall and only allow connections from your > Nagios/Icinga server(s), i.e. the allowed_hosts. Yes, I know. Actually the NRPE agent is using TCP wrappers, which I am using to "protect" the agent. It's not a firewall, but it should do its job. Thanks for the heads up! :-)
Kr, R alf
