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kong.ip

Trusted IPs module.

This module can be used to determine whether or not a given IP address is in the range of trusted IP addresses defined by the trusted_ips configuration property.

Trusted IP addresses are those that are known to send correct replacement addresses for clients (as per the chosen header field, for example X-Forwarded-*).

See the documentation on trusted IPs.

kong.ip.is_trusted(address)

Depending on the trusted_ips configuration property, this function returns whether a given IP is trusted or not.

Both ipv4 and ipv6 are supported.

Phases

• init_worker, certificate, rewrite, access, header_filter, response, body_filter, log

Parameters

• address (string): A string representing an IP address.

Returns

• boolean: true if the IP is trusted, false otherwise.

Usage

if kong.ip.is_trusted("1.1.1.1") then
  kong.log("The IP is trusted")
end