require 'drb/acl'
list = %w(deny all
allow 192.168.1.1
allow ::ffff:192.168.1.2
allow 192.168.1.3
)
addr = ["AF_INET", 10, "lc630", "192.168.1.3"]
acl = ACL.new
p acl.allow_addr?(addr)
acl = ACL.new(list, ACL::DENY_ALLOW)