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Restrict Access by Remote IP Address

The extension configuration of the TYPO3 Nagios® Extension contains an input field that holds a comma-separated list of IP addresses and/or fully qualified hostnames of all Nagios® servers which may retrieve information about the TYPO3 instance.

Comma-separated list of IP addresses

127.0.0.1,192.168.1.123,123.45.67.89

Comma-separated list of fully qualified hostnames

example.com,my-nagios-server.org

If the IP address or fully qualified hostname of the Nagios® server which initiates the requests to TYPO3 is not listed here, an access denied message appears (and the Nagios® server interprets this as a WARNING, CRITICAL or UNKNOWN condition, depending on its configuration):

# Nagios TYPO3 Monitoring Version 2.1.0 – https://schams.net/nagios
# ACCESS DENIED
MESSAGE:access denied

Access to the output of the extension is also denied, if the input field has been left empty, or an insecure value such as *.*.*.* is used.