Şunu aradınız:: ifrequested (İspanyolca - İngilizce)

cifrado (encryption) decide si usar o no el cifrado; depende de si la biblioteca openssl está enlazada con la biblioteca cups y con el planificador. valores posibles: always -usar siempre cifrado (ssl) never -nunca usar cifrado required -usar actualización de cifrado tls ifrequested -usar cifrado si el servidor lo requiere el valor predeterminado es «ifrequested». do not translate the keyword between brackets (e.g. servername, serveradmin, etc.)
encryption (encryption) whether or not to use encryption; this depends on having the openssl library linked into the cups library and scheduler. possible values: always -always use encryption (ssl) never -never use encryption required -use tls encryption upgrade ifrequested -use encryption if the server requests it the default value is "ifrequested". do not translate the keyword between brackets (e.g. servername, serveradmin, etc.)