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DoH,DoQ,DoT - DNS blocking and redirection DNSBL.
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Topic: DoH,DoQ,DoT - DNS blocking and redirection DNSBL. (Read 2222 times)
xkpx
Newbie
Posts: 32
Karma: 1
DoH,DoQ,DoT - DNS blocking and redirection DNSBL.
«
on:
January 25, 2023, 09:15:18 am »
Hello gentlemens/ladies, still newbie here.
Configuration:
* Removed all DNS by ISP and cleared all possible places, then i set DoT Quad9 in Unbound.
* DNSBL list -
https://raw.githubusercontent.com/dibdot/DoH-IP-blocklists/master/doh-domains.txt
* DNSBL whitelist added dns.quad9.net
* DNSBL blacklist with checked NXDOMAIN option, then applied & restarted Unbound server.
Result:
* DOHs are blocked.
Okey, but when i try to open BraveBrowser and connect to internet website is blocked.
Then try to make NAT Port Forwarding rule for 53,853 and redirect to 127.0.0.1;53;853.
But again didn't worked and all websites was blocked.
Did i missed something, and is it possible or if not, maybe with one of these options?
* Suricata and RuleList,
* Firewall-Alias rule add (if list is domain names they are resolved to ip)
* Unbound Override
* Unbound RPZ -
https://forum.netgate.com/topic/171887/unbound-dns-rpz/2
* SSL-Split -
https://laskowski-tech.com/2020/03/29/opnsense-and-ssl-decryption-using-sslsplit/
( I'am thinking its way better to block on DNS level instead of rule ?)
( Also even if i manage to somehow bypass and get it working , Is it right that i'am just redirecting the request through quad9 and will still arrive at the doh server used by Brave in example ?
Video for information about "Best New" - loss of visibility by managed private networks :
https://www.youtube.com/watch?v=04Wugl7yb-k
[ Going Dark: catastrophic security and privacy losses...]
«
Last Edit: January 28, 2023, 12:22:08 am by xkpx
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xkpx
Newbie
Posts: 32
Karma: 1
Re: DoH,DoQ,DoT - DNS blocking and redirection DNSBL.
«
Reply #1 on:
March 03, 2023, 03:01:29 pm »
Found this lovely guide:
https://labzilla.io/blog/force-dns-pihole
On first try manage to lock myself , but i think its working we will see
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