U
- UAM
- User Authentication Module, AFP authentication basics
- uams_cleartxt.so
- "Cleartxt Passwrd" UAM, Netatalk UAM overview table
- uams_dhx.so
- "DHCAST128" UAM, Netatalk UAM overview table
- uams_dhx2.so
- "DHX2" UAM, Netatalk UAM overview table
- uams_gss.so
- "Client Krb v2" UAM (Kerberos V), Netatalk UAM overview table
- uams_guest.so
- "No User Authent" UAM (guest access), Netatalk UAM overview table
- uams_pgp.so
- "PGPuam 1.0" UAM, UAMs supported by Netatalk
- uams_randnum.so
- "(2-Way) Randnum exchange" UAM, Netatalk UAM overview table
- UARights, Configuration
- Unicode, Charsets/Unicode
- unix charset
- afpd's unix charset setting, afpd and character sets
- UTF8
- Netatalk's precomposed UTF-8 encoding, Character sets used by Apple
- UTF8-MAC
- Netatalk's decomposed UTF-8 encoding, Character sets used by Apple