%% You should probably cite draft-ietf-opsec-icmp-filtering-04 instead of this revision.
@techreport{ietf-opsec-icmp-filtering-02,
    number =    {draft-ietf-opsec-icmp-filtering-02},
    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/02/},
    author =    {Carlos Pignataro and Fernando Gont and Guillermo Gont},
    title =     {{Recommendations for filtering ICMP messages}},
    pagetotal = 49,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    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.},
}