similar to: can't disable tcp6 on centos 7

> > It's listening on both IPv6 and IPv4. Specifically, why is that a problem? The central problem seems to be that the monitoring host can't hit nrpe on port 5666 UDP. [root at monitor1:~] #/usr/local/nagios/libexec/check_nrpe -H puppet.mydomain.com CHECK_NRPE: Socket timeout after 10 seconds. It is listening on the puppet host on port 5666 [root at puppet:~] #lsof -i :5666

> > is it working on localhost or not???!!! it could be selinux problem also, > if context is not correct. It's working on localhost: [root at puppet:~] #telnet localhost 5666 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. I notice if I stop the firewall on the puppet host (for no more than 2 seconds) and hit NRPE from the monitoring host it works:

Tim, where did you installed this nrpe package? is selinux running enforcing mode (getenforce command), try disabling with setenforce 0. why you are running it under xinetd as usual way is to run it as nrped daemon. test against with check_nrpe, not using telnet. -- Eero 2015-05-04 2:27 GMT+03:00 Stephen Harris <lists at spuddy.org>: > On Sun, May 03, 2015 at 07:23:19PM -0400, Tim

Oh my mistake. I mean nrpe without parameters. It should say something about SSL/TLS aktiv or so. You could test nrpe without SSL. Use nrpe -n - H host Am 01.05.2015 13:18 schrieb "Eero Volotinen" <eero.volotinen at iki.fi>: > well. how about trying default setting and running nrped without xinetd. > > -- > Eero > > 2015-05-01 14:14 GMT+03:00 Tim Dunphy

Hi NRPE: Error receiving data from daemon Seems as this is not a SSL Problem. Do you have a nagios user account? Cat /etc/passwd Am 01.05.2015 18:45 schrieb "Tim Dunphy" <bluethundr at gmail.com>: > > > > Oh my mistake. I mean nrpe without parameters. It should say something > > about SSL/TLS aktiv or so. > > You could test nrpe without SSL. Use nrpe -n -

Hi Eric, Thanks for your reply. I do have nrpe running under xinetd on the host I'm trying to monitor. And running the nrpe checl locally: [root at ops:~] #/usr/local/nagios/libexec/check_nrpe -H localhost NRPE v2.15 [root at ops:~] #grep only_from /etc/xinetd.d/nrpe only_from = 127.0.0.1 216.120.248.126 And I do have port 5666 open on the security group for this host.

is it working on localhost or not???!!! it could be selinux problem also, if context is not correct. -- Eero 2015-05-04 1:55 GMT+03:00 Tim Dunphy <bluethundr at gmail.com>: > > > > It's listening on both IPv6 and IPv4. Specifically, why is that a > problem? > > > The central problem seems to be that the monitoring host can't hit nrpe on > port 5666 UDP.

> This is strange... > Do you have SSL aktive on both systems? Run nrpr localy without parameters > (this should return some nrpe stats) and check ldd for libssl. I don't seem to have that command. [root at monitor1:~] #find / -name "*nrpr" 2> /dev/null [root at monitor1:~] # And that's on either system. And if I do an ldd on both, this is what I can tell:

Hello, I am trying to monitor a host in the Amazon EC2 cloud. Yet when I try to check NRPE from the monitoring host I am getting an SSL handshake error: [root at monitor1:~] #/usr/local/nagios/libexec/check_nrpe -H ops.jokefire.com CHECK_NRPE: Error - Could not complete SSL handshake. And if I telnet into the host on port 5666 to see if the FW port is open, the connection closes right away:

Hi Brian, Does "iptables -L" show anything of note? I'm leaving iptables off in this host. Because it's an AWS EC2 host I'm managing the firewall ports using the AWS security groups. [root at ops:~] #service iptables status Firewall is stopped. But still, there's this... [root at monitor1:~] #/usr/local/nagios/libexec/check_nrpe -H ops.jokefire.com CHECK_NRPE:

On Sun, May 03, 2015 at 08:25:45PM -0400, Tim Dunphy wrote: > Rather than a yum install. If I install the nrpe package from yum I don't > find a check_nrpe script on the system for some reason! That's because the 'check_nrpe' command isn't in the nrpe package. It's in the nagios-plugins-nrpe package. The executable is installed, along side all other nagios check

Eero, where did you installed this nrpe package? is selinux running enforcing > mode (getenforce command), try disabling with setenforce 0. why you are > running it under xinetd as usual way is to run it as nrped daemon. > For NRPE I usually do a source install with these flags: ./configure make all make install-plugin make install-daemon make install-daemon-config make install-xinetd

On Sun, May 03, 2015 at 07:23:19PM -0400, Tim Dunphy wrote: > [root at puppet:~] #telnet localhost 5666 This is using TCP > [root at monitor1:~] #nmap -p 5666 puppet.mydomain.com ... > 5666/tcp filtered nrpe This is using TCP > Back on the puppet host I verify that the port is open for UDP: So why are you opening a UDP port? -- rgds Stephen

Hello everybody. Recently i moved external interface to zone "external" on my home server/router. And something strange is hapening. From my router (chamber, CentOS7) everything is fine: [root at chamber ~]# firewall-cmd --list-all home (default, active) interfaces: enp3s0 tun0 virbr0 sources: services: dhcp dhcpv6-client dns http https imaps ipp-client mdns nfs samba

On 05/03/2015 02:18 PM, Tim Dunphy wrote: > Yet, xinetd/nrpe still seems to be listeing on TCP v6!! It's listening on both IPv6 and IPv4. Specifically, why is that a problem? > What am I doing wrong? I need to be able to disable tcpv6 completely! You could add "ipv6.disable=1" to your kernel args.

> > Oh my mistake. I mean nrpe without parameters. It should say something > about SSL/TLS aktiv or so. > You could test nrpe without SSL. Use nrpe -n - H host This is what I see about ssl if I just run nrpe on the client without any flags: [root at ops:~] #nrpe| head -8 NRPE - Nagios Remote Plugin Executor Copyright (c) 1999-2008 Ethan Galstad (nagios at nagios.org) Version: 2.15

Hi Eric, > NRPE: Error receiving data from daemon > Seems as this is not a SSL Problem. Do you have a nagios user account? Cat > /etc/passwd Yep! Both hosts have nagios user accounts. Demonstrating from the client: [root at ops:~] #id nagios uid=2002(nagios) gid=2002(nagios) groups=2002(nagios),2008(nagioscmd) And this is from the monitoring server: [root at monitor1:~] #id

Hey all, I have a local disk check defined which is giving me an error: Current Status: UNKNOWN (for 0d 0h 1m 38s)Status Information:Unknown argument Usage: check_disk -w limit -c limit [-W limit] [-K limit] {-p pathPerformance Data:-x device} [-C] [-E] [-e] [-f] [-g group ] [-k] [-l] [-M] [-m] [-R path ] [-r path ] [-t timeout] [-u unit] [-v] [-X type] [-N type] [-n] I have a local check

On Sat, May 02, 2015 at 06:26:47PM -0400, Tim Dunphy wrote: > > > > Not just /var/log/messages. Doesn't nrpe have a log file? Maybe even > > secure. > > > Hmmm I don't find any log specific to nrpe. In other words I don't see > /var/log/nrpe.log or whatever. :) > > And when I tail -f /var/log/secure or /var/log/messages I don't see any >

Hy everybody, I have a little problem. Since a crash of my server we have problems to connect over the RSAT tools to our Samba 4 domain with the DNS tool. At the moment we have a Centos 6.5 server with Version 4.1.6-SerNet-RedHat-7.el6. If I connect to the AD server with the RSAT tool, i get this message in the log.smb: dnsserver: Found DNS zone _msdcs.nagy-blumen.at [2014/03/17