Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more

In Files

  • resolv.rb



Well Known Service resource.





The host these services run on.


A bit map of enabled services on this host.

If protocol is 6 (TCP) then the 26th bit corresponds to the SMTP service (port 25). If this bit is set, then an SMTP server should be listening on TCP port 25; if zero, SMTP service is not supported.


IP protocol number for these services.

Public Class Methods

new(address, protocol, bitmap) click to toggle source
               # File resolv.rb, line 1959
def initialize(address, protocol, bitmap)
  @address = IPv4.create(address)
  @protocol = protocol
  @bitmap = bitmap

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