i have installed network agent but when i test communication i get the error as above [root@CENTOS8 bin]# ./klnagchk Starting klnagchk utility Checking command-line arguments...OK Initializing basic libraries...OK Current host is 'centos8' Network agent version is '11.0.0.29' Reading settings...OK Checking settings...OK Administration Agent settings: Server address: '192.168.1.6' Use SSL: 0 Compress traffic: 1 Server SSL ports: '13000' Server ports: '14000' Use proxy: 0 Certificate: absent Open UDP port: 1 UDP ports: '15000' Ping period, minutes: 15 Conn timeout, s: 30 RW timeout, s: 180 HostId: Connecting to server...Transport level error in process of connection to 'http://192.168.1.6:14000': connection refused Connecting to the Administration Agent...OK Administration Agent is running Acquire Administration Agent statistics...OK Administration Agent statistics: Ping count: 0 Succ. pings: 0 Sync count: 0 Succ. syncs: 0 Last ping: Deinitializing basic libraries...OK [root@CENTOS8 bin]# ./klnagchk Starting klnagchk utility Checking command-line arguments...OK Initializing basic libraries...OK Current host is 'centos8' Network agent version is '11.0.0.29' Reading settings...OK Checking settings...OK Administration Agent settings: Server address: '192.168.1.6' Use SSL: 0 Compress traffic: 1 Server SSL ports: '13000' Server ports: '14000' Use proxy: 0 Certificate: absent Open UDP port: 1 UDP ports: '15000' Ping period, minutes: 15 Conn timeout, s: 30 RW timeout, s: 180 HostId: Connecting to server...Transport level error in process of connection to 'http://192.168.1.6:14000': connection refused Connecting to the Administration Agent...OK Administration Agent is running Acquire Administration Agent statistics...OK Administration Agent statistics: Ping count: 0 Succ. pings: 0 Sync count: 0 Succ. syncs: 0 Last ping: Deinitializing basic libraries...OK