<HTML> <HEAD> <TITLE>Re: [Nagios-users] NRPE Problems</TITLE> </HEAD> <BODY> Thanks for the feedback Robert. I uncommented the ‘allowed_hosts’ and added the public IP of my Nagios server. Everything seems to be working now. On 3/2/08 2:04 PM, "Robert" <nagios@sysplex.org> wrote: <BLOCKQUOTE>Hi Gregory, try to find out how the IP Adress of your Client (your nagios-server) is mapped (you can use wireshark with filter "port 5666"). Then edit yout nrpe.cfg and insert this address to allowed_hosts. rgds Robert On Sun, 02 Mar 2008 08:56:07 -0500, Gregory Wong wrote > # ALLOWED HOST ADDRESSES > # This is a comma-delimited list of IP address of hosts that are allowed > # to talk to the NRPE daemon. > # > # NOTE: The daemon only does rudimentary checking of the client's IP > # address. > > #allowed_hosts=192.168.0.1 > > On 3/2/08 5:37 AM, "Robert Sailer" <robert.sailer@sysplex.org> wrote: > > > Hi Gregroy, > > > > whats your setting in the nrpe.cfg (on the machine to be monitored) for the > > key allowed_hosts? > > > > rgds > > Robert > > > > On Sun, 02 Mar 2008 01:24:58 -0500, Gregory Wong wrote > >> > Hi everyone. I just configured my Nagios box to start monitoring > >> > with NRPE. When I run check_nrpe –H 127.0.0.1 it resolves the NRPE > >> > version as expected. Since my monitoring server is colocated and I > >> > plan to monitor hosts behind firewalls I setup a test server behind > >> > my firewall at home for testing purposes. > >> > > >> > I have TCP/5666 forwarded to the internal IP address of my test > >> > server. That same port is also open on my Nagios server as well. I > >> > am running NRPE on my Windows server. The version of NRPE running > >> > can be found here: <a href="http://tinyurl.com/24o3h3">http://tinyurl.com/24o3h3</a> > >> > > >> > When I run check_nrpe –H <Home IP Address> I get a socket timeout > >> > error. I did a netstat on both servers and it looks like there is a > > connection. > >> > > >> > TCP gwong-srvr1:5666 gwong-srvr1:0 LISTENING > >> > TCP gwong-srvr1:netbios-ssn gwong-srvr1:0 LISTENING > >> > TCP gwong-srvr1:5666 <Nagios IP>:36422 CLOSE_WAIT > >> > TCP gwong-srvr1:5666 <Nagios IP>:38766 CLOSE_WAIT > >> > TCP gwong-srvr1:5666 <Nagios IP>:38907 CLOSE_WAIT > >> > TCP gwong-srvr1:5666 <Nagios IP>:38909 CLOSE_WAIT > >> > > >> > root@nagios:~# netstat -at | grep nrpe > >> > tcp 0 0 *:nrpe *:* LISTEN > >> > tcp 0 0 <Nagios IP>:38913 <Home IP>:nrpe ESTABLISHED > >> > root@nagios:~# netstat -at | grep nrpe > >> > tcp 0 0 *:nrpe *:* LISTEN > >> > tcp 0 0 <Nagios IP>:38913 <Home IP>:nrpe FIN_WAIT2 > >> > > >> > Any ideas why this won’t work? > >> > > >> > Thanks. > > > > > > Gruss > > Robert Gruss Robert </BLOCKQUOTE> </BODY> </HTML>