Re: Change in Nagios Server IP, 5666 connection refused.
Posted: Wed Jun 22, 2016 3:04 am
Hello there, One issue gone and one more to go
Hostname puppet is my nagios server.
So far nagios server is concerned its not able to establish communication to remote server and I am guessing that port for xinetd is not open on remote server for incoming connection??
Hostname puppet is my nagios server.
On remote server, nrpe can be executed against itself. This was achieved by modifying /etc/xinetd/nrpe file by adding ip of agent2 in allowed_host attribute.[root@puppet ~]# nmap 192.168.1.4
Starting Nmap 5.51 ( http://nmap.org ) at 2016-06-22 17:32 AEST
Nmap scan report for agent2 (192.168.1.4)
Host is up (0.00032s latency).
Not shown: 998 filtered ports
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
MAC Address: 08:00:27:E5:CE:60 (Cadmus Computer Systems)
Nmap done: 1 IP address (1 host up) scanned in 5.12 seconds
[root@puppet ~]# ping -c 7 192.168.1.4
PING 192.168.1.4 (192.168.1.4) 56(84) bytes of data.
64 bytes from 192.168.1.4: icmp_seq=1 ttl=64 time=0.313 ms
64 bytes from 192.168.1.4: icmp_seq=2 ttl=64 time=0.489 ms
64 bytes from 192.168.1.4: icmp_seq=3 ttl=64 time=0.349 ms
64 bytes from 192.168.1.4: icmp_seq=4 ttl=64 time=0.506 ms
64 bytes from 192.168.1.4: icmp_seq=5 ttl=64 time=0.321 ms
64 bytes from 192.168.1.4: icmp_seq=6 ttl=64 time=0.204 ms
64 bytes from 192.168.1.4: icmp_seq=7 ttl=64 time=0.275 ms
--- 192.168.1.4 ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6002ms
rtt min/avg/max/mdev = 0.204/0.351/0.506/0.101 ms
[root@puppet ~]# /usr/local/nagios/libexec/check_nrpe -H agent2
connect to address 192.168.1.4 port 5666: No route to host
connect to host agent2 port 5666: No route to host[root@puppet ~]#
[root@puppet ~]#
So far nagios server is concerned its not able to establish communication to remote server and I am guessing that port for xinetd is not open on remote server for incoming connection??