I-D Action: draft-lecklider-ppf-00.txt

Internet-Draft draft-lecklider-ppf-00.txt is now available.

   Title:   Pingback Permitted From (PPF)
   Author:  Charles Lecklider
   Name:    draft-lecklider-ppf-00.txt
   Pages:   26
   Dates:   2026-07-28

Abstract:

   Pingback Permitted From (PPF) defines a DNS-based mechanism for
   authorizing senders of linkback requests.  A domain owner publishes a
   TXT record declaring which hosts are permitted to send linkbacks for
   source URIs on that domain.  Receivers and linkback proxies can then
   reject unauthorized linkbacks before fetching the claimed source URI.

   PPF is intended for linkback protocols in which a sender claims that
   one web resource links to another and the receiver would otherwise
   fetch the claimed source resource to verify that claim.  PPF provides
   sender authorization; it does not replace content verification,
   moderation, or abuse filtering.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-lecklider-ppf/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-lecklider-ppf-00.html

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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