# used by plugins/relay
# Format is IP, or IP part with trailing dot
# e.g. "127.0.0.1", or "192.168."
127.0.0.1 
# leading/trailing whitespace is ignored
 192.0. 
#
# IPv6 formats ends in a nibble (not a netmask, prefixlen, or colon)
# RFC 3849 example
2001:DB8
2001:DB8::1
2001:0DB8:0000:0000:0000:0000:0000:0001