IP address/IP range auth module for Erlang

[Frank Muller]

Hi guys

I’m looking for an Erlang module which let me authorize connexions based on
an IP address or IP address range.

Examples:

. Rule 1: "51.121.92.25"

Only one IP address is allowed: 51.121.92.25

.  Rule 2: "51.121.*.25"

These IPs are all allowed:
51.121.92.25
51.121.91.25
51.121.90.25
…

Would be great if the module can also validate the connection IP address.
For now, I only deal with IP v4 addresses (but I’m open to support IP v6 in
my code).

Thanks in advance
/Frank
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