List name Post address Description
Unbearable "This list is for discussion of proposals for doing better than bearer tokens (e.g. HTTP cookies, OAuth tokens etc.) for web applications. The specific goal is chartering a WG focused on preventing security token export and replay attacks."
Unwanted-trackers This is the mailing list for the Detecting Unwanted Location Trackers working group of the IETF.
Uri-review Proposed URI Schemes
urn Revisions to URN RFCs
usefor Ongoing discussion of usefor issues.
Uta UTA working group mailing list
Uuidrev Revise Universally Unique Identifier Definitions
V3 Discussion of V3 BOF for replacements for SIPv2, SDPv2, and RTPv2
v6ops v6ops discussion list
VCARDDAV IETF vcarddav wg mailing list