Transparent mode only works with http websites and not with https. To include https web sites you need to use the Conventional mode (Non Transparent mode)web proxy.
https://wiki.ipfire.org/configuration/network/proxy/wui_conf/settings
Transparent mode only works with http websites and not with https. To include https web sites you need to use the Conventional mode (Non Transparent mode)web proxy.
https://wiki.ipfire.org/configuration/network/proxy/wui_conf/settings