# Revision history [back]

OK, those are preferences, as the "Preferences" in the menu path should suggest.

What you need to do is to use the preferences API in Wireshark. The QUIC dissector isn't using the regular preferences API; see, for example, proto_register_smtp() in epan/dissectors/packet-smtp.c, and the calls to prefs_register_protocol() and prefs_register_bool_preference() in that routine.