New way to match https websites in Routeros firewall

Since most of the internet now uses https, it has become much harder to filter specific web content.
For this reason, RouterOS 6.41 introduces a new firewall matcher which allows you to block https websites (TLS traffic)
based on the TLS SNI extension, called “TLS-HOST”. The new parameter supports glob-style patterns, which
should be enough for whatever you’re trying to match.

For example, to block, you would use a rule like this:
/ip firewall filter add chain=forward dst-port=443 protocol=tcp tls-host=* action=reject

Source: Mikrotik Newsletter 80

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