@techreport{ietf-opsec-icmp-filtering-04,
    number =    {draft-ietf-opsec-icmp-filtering-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-opsec-icmp-filtering/04/},
    author =    {Fernando Gont and Guillermo Gont and Carlos Pignataro},
    title =     {{Recommendations for filtering ICMP messages}},
    pagetotal = 58,
    year =      2013,
    month =     jul,
    day =       3,
    abstract =  {This document document provides advice on the filtering of ICMPv4 and ICMPv6 messages. Additionaly, it discusses the operational and interoperability implications of such filtering.},
}