Hi Does the deamon run under xinetd? Then you have to configure the only_from in */etc/**xinetd.d**/**nrpe* to. Regards Eric Am 01.05.2015 06:46 schrieb "Tim Dunphy" <bluethundr at gmail.com>: > 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: > > [root at monitor1:~] #telnet ops.somewhere.com 5666 > Trying 54.225.218.125... > Connected to ops.somewhere.com. > Escape character is '^]'. > Connection closed by foreign host. > > You can see there it connects, but then it closes immediately after the > connection. > > I have NRPE running on the host I want to monitor: > > [root at ops:~] #lsof -i :5666 > COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME > xinetd 1434 root 5u IPv4 4063 TCP *:nrpe (LISTEN) > > And I have the IP of my nagios server listed in the xinetd conf file: > > [root at ops:~] #cat /etc/xinetd.d/nrpe > # default: on > # description: NRPE (Nagios Remote Plugin Executor) > service nrpe > { > flags = REUSE > socket_type = stream > port = 5666 > wait = no > user = nagios > group = nagios > server = /usr/local/nagios/bin/nrpe > server_args = -c /usr/local/nagios/etc/nrpe.cfg --inetd > log_on_failure += USERID > disable = no > only_from = 127.0.0.1 xx.xx.xx.xx # <- representing my real > nagios server IP > } > > > > And I have my default security group for that host open on port 5666 to the > world for this experiment. I plan on locking that down again to the single > IP of my monitoring host once I get this resolved. > > Does anyone have any suggestions on how I can get that problem solved? > > Thanks, > Tim > > -- > GPG me!! > > gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >