Whether address is loopback, private, link-local, multicast or otherwise not a public internet address, including IPv6 forms that wrap an IPv4 address. Anything that is not an IP literal counts as private so a caller can never fail open.
address
Whether
addressis loopback, private, link-local, multicast or otherwise not a public internet address, including IPv6 forms that wrap an IPv4 address. Anything that is not an IP literal counts as private so a caller can never fail open.