IDMAP_RID(8) (NAME) idmap_rid - idmap_rid Samba Winbind (DESCRIPTION) idmap_rid UID/GID SID . . idmap_rid idmap . : idmap_rid . idmap tdb ldap SID (BUILTIN) . . (IDMAP OPTIONS) range = low - high UID GID . . UID GID . UID/GID . base_rid = INTEGER SID UID GID UID GID SID . SID RID base rid . RID base_rid 0 . . (THE MAPPING FORMULAS) RID : ID = RID - BASE_RID + LOW_RANGE_ID. RID : RID = ID + BASE_RID - LOW_RANGE_ID. (EXAMPLES) idmap_rid ( ) tdb . base_rid . [global] security = domain workgroup = MAIN idmap config * : backend = tdb idmap config * : range = 1000000-1999999 idmap config MAIN : backend = rid idmap config MAIN : range = 10000 - 49999 idmap config TRUSTED : backend = rid idmap config TRUSTED : range = 50000 - 99999 idmap config TRUSTED : base_rid = 500000 (AUTHOR) Samba Andrew Tridgell . Samba Samba Team . Samba 4.24.6 08/16/2026 IDMAP_RID(8)