NRPE - Connection Refused By Host

Problem Description

This KB article addresses the following NRPE error:

Connection Refused By Host


Assumed Knowledge

The following KB article contains an explanation of how NRPE works and may need to be referenced to completely understand the problem and solution that is provided here:

NRPE - Agent and Plugin Explained


Troubleshooting The Error

This error usually relates to port/firewall issues or improperly configured "allowed_hosts" directives.  Please refer to the following KB articles for the relevant troubleshooting steps:

NRPE - CHECK_NRPE: Error - Could Not Complete SSL Handshake

NRPE - CHECK_NRPE: Socket Timeout After n Seconds



Final Thoughts

For any support related questions please visit the Nagios Support Forums at:

Article ID: 622
Created On: Mon, Jul 17, 2017 at 12:49 AM
Last Updated On: Mon, Jul 17, 2017 at 12:49 AM
Authored by: tlea

Online URL: