Sounds like Billybob got it right. If blacklisting it doesn't work, please show a picture of your blacklist and an extract of your 'Content Filter (HTTP)' log when the connection is allowed.
Cheers - Bob
Sophos UTM Community Moderator Sophos Certified Architect - UTM Sophos Certified Engineer - XG Gold Solution Partner since 2005
Sounds like Billybob got it right. If blacklisting it doesn't work, please show a picture of your blacklist and an extract of your 'Content Filter (HTTP)' log when the connection is allowed.
Cheers - Bob
Sophos UTM Community Moderator Sophos Certified Architect - UTM Sophos Certified Engineer - XG Gold Solution Partner since 2005