Search RFCs Advanced Search RFC Editor BCP 186RFC 7126 Recommendations on Filtering of IPv4 Packets Containing IPv4 Options, February 2014 File formats: Status:BEST CURRENT PRACTICE Authors:F. GontR. AtkinsonC. Pignataro Stream:IETF Source:opsec (ops) Cite this BCP: TXT | XML Discuss this RFC: Send questions or comments to the mailing list iesg@ietf.org Other actions: View Errata | Submit Errata | Find IPR Disclosures from the IETF | View History of RFC Abstract This document provides advice on the filtering of IPv4 packets based on the IPv4 options they contain. Additionally, it discusses the operational and interoperability implications of dropping packets based on the IP options they contain. For the definition of Status, see RFC 2026. For the definition of Stream, see RFC 8729. Document RetrievalErrataFrequently Asked QuestionsFuture Format FAQHistoryAbout UsOther InformationPublication ProcessPublication QueueStyle Guide Advanced Search