X.500 protocol used for communication between a Directory User Agent and a Directory system Agent.

style="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents:
[ an ] [ at ] [ b ] [ be ] [ ca ] [ cat ] [ co ] [ com ] [ D ] [ Directory system Agent ] [ Directory User Agent ] [ ec ] [ ed ] [ ee ] [ er ] [ et ] [ fo ] [ for ] [ ge ] [ gen ] [ io ] [ ir ] [ mm ] [ mu ] [ ni ] [ om ] [ pr ] [ protocol ] [ re ] [ ro ] [ s ] [ se ] [ st ] [ to ] [ tw ] [ us ] [ X ] [ X.500 ]