The JUNOS software supports the following RFCs related to filtering:
- RFC 792, Internet Control Message Protocol (ICMP)
- RFC 2373, IP Version 6 Addressing Architecture
- RFC 2460, Internet Protocol, Version 6 (IPv6)
- RFC 2474, Definition of the Differentiated Services (DS) Field
- RFC 2475, An Architecture for Differentiated Services
- RFC 2597, Assured Forwarding PHB
- RFC 2598, An Expedited Forwarding PHB