RT-AC66U blocking specific HTTPS URL

[PushIt]

RT-AC66U Firmware:380.65_4

Hi guys!

I've been reading for some hours now and still not clear on the subject. I'm looking for a way to block some URLs that's using HTTPS. Mostly, to block spam and retarder XXX sites

I've read https://www.snbforums.com/threads/url-filter-apply-to-https-pages.25794/
I understand the technical limitation somewhat but unclear if at all possible using other custom firmwares such as DD-WRT, or Tomato?

Browsing firmware's available from DD-WRT. The latest is from 2014, so that's a big NO! Tomato I read is tricky to flash to say the least. I like "Asuswrt Merlin", waaaay better then stock, would rather not change.

So, is the only way to block https, to use services such as OpenDNS? it's my understanding that their DNS would be used everytime I visit a website. Not only would that make things slower, it's also a big privacy concern.

What are my options here?

UPDATE
I read that something like this could be possible as Asuswrt also uses dnsmasq?

https://www.clearos.com/clearfounda...-to-block-https-www-facebook-com#reply-160081

I have found the most effective way to do this is via DNS (dnsmasq)

Add the lines below to /etc/dnsmasq.conf

address=/encrypted.google.com/127.0.0.1
address=/facebook.com/127.0.0.1
address=/twitter.com/127.0.0.1
address=/plus.google.com/127.0.0.1
address=/youtube.com/127.0.0.1
address=/instagram.com/127.0.0.1
address=/itunes.apple.com/127.0.0.1

How would I go about this?
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UPDATE 2
This seems to be the way to go
https://www.snbforums.com/threads/release-ab-solution-3-8-the-ad-blocking-solution.37511/

@RMerlin any plans to incorporate this solution as a native feature in the firmware?
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Unrelated,
when you press the "Edit" button on this forum then "More Options" I get this

This page isn’t working
Chrome detected unusual code on this page and blocked it to protect your personal information (for example, passwords, phone numbers, and credit cards).

• Try visiting the site's homepage.

ERR_BLOCKED_BY_XSS_AUDITOR

 

[swetoast]

no is the simple answer to that there no plan to have this as a native feature.

 

[thelonelycoder]

UPDATE 2
This seems to be the way to go
https://www.snbforums.com/threads/release-ab-solution-3-8-the-ad-blocking-solution.37511/

@RMerlin any plans to incorporate this solution as a native feature in the firmware?

As @swetoast writes, these "features" will always be outside the scope of what @RMerlin does with his firmware.