Local loopback is 127.0.0.0/8, not just 127.0.0.1 #147
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Updated to only search for
/^(127\.|::1)$/
which conforms to RFC 5735https://www.rfc-editor.org/rfc/rfc5735
For example, Ubuntu listens on 127.0.0.53:53 for local DNS requests. This pull request would fix a false-positive on Ubuntu distributions without a firewall rule to allow port 53 to a local loopback address, which is already allowed with all loopback traffic.