### HTTPS -- get HTTPS headers - The same as `%HTTP%` but operates on the HTTPS environment variables present when the SSL protocol is in effect. Can be used to determine whether SSL is turned on. - Syntax: `%HTTPS%` - Syntax: `%HTTPS{"Header-name"}%` - Related: [[HTTP|Main/VarHTTP]], [[REMOTE_ADDR|Main/VarREMOTEADDR]], [[REMOTE_PORT|Main/VarREMOTEPORT]], [[REMOTE_USER|Main/VarREMOTEUSER]]