<HTML> <HEAD> <TITLE>Re: [Nagios-users] NRPE Problems</TITLE> </HEAD> <BODY> # 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: <BLOCKQUOTE>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 </BLOCKQUOTE> </BODY> </HTML>