%% 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/html/draft-ietf-opsec-icmp-filtering-02}, author = {Carlos Pignataro and Fernando Gont and Guillermo Gont}, title = {{Recommendations for filtering ICMP messages}}, pagetotal = 49, year = , month = , 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.}, }