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 It seems TM Unifi has finally implemented, transparent DNS proxy

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zerorating
post Sep 4 2024, 02:00 PM

Miskin Adab
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QUOTE(raynman @ Sep 4 2024, 01:56 PM)
Quad9 also affected now?
*
openvpn also kena.
if someone found a loophole, keep it for yourself. i dont think TM will stop at here.
zerorating
post Sep 4 2024, 02:10 PM

Miskin Adab
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QUOTE(mhyug @ Sep 4 2024, 02:06 PM)
i dont think it will be secret or can be kept secret for long. Some may share some not but eitehr way since enforcement is here they will rat it out until either side breaks.

Well heres what we do know, some isp you can still bypass stuf with the dot settings, dns etc etc etc, while some others cant. VPN is an option albeit we  may need to pay for it. good time for VPN companies eh. biggrin.gif

Annoyingly kena blanket censorship of what they deem right and wrong tu yg x tahan.
*
i am currently plan to have dns server that are not using standard port 53, will like masquerade as port 443
good thing openwrt accept non standard port dns service as upstream biggrin.gif

This post has been edited by zerorating: Sep 4 2024, 02:10 PM
zerorating
post Sep 5 2024, 12:19 AM

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QUOTE(kwss @ Sep 4 2024, 11:28 PM)
Everyone needing a no hassle setup can use this:
https://sky.rethinkdns.com/dns-query

It runs on Cloudflare Workers on all edge location and cannot be IP blocked.
If it's DNS bootstrap blocked, just put lowyat.net IP in your HOST file and it should work again
*
lol nice one. but IP not fixed meh?
TM can always hijack these IPs.
zerorating
post Sep 5 2024, 12:26 AM

Miskin Adab
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QUOTE(kwss @ Sep 5 2024, 12:23 AM)
TM can only hijack dedicated DNS IP. They can never hijack CDN IP without breaking the Internet.

If they do it lowyat.net, cloudflare.com and many website will instantly break
*
you can always do /32 static route what. small inconvenience are acceptable laugh.gif
zerorating
post Sep 5 2024, 12:28 AM

Miskin Adab
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QUOTE(brkli @ Sep 5 2024, 12:23 AM)
for me, i just use plain old host file. it still baffle me they already hijacking IP, why not just hijack the actual IP of the website they want to block, rather than hijacking DNS server/request.

as simple host file entry can solve it already. unless u got like thousand of block site u want to access.
*
shhhhhhhhh, dont challenge them.
i take dns block than IP block anyday
zerorating
post Sep 5 2024, 12:35 AM

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QUOTE(dattebayo @ Sep 5 2024, 12:30 AM)
modern CDN networks are having dynamic IPs

at one moment you connect to LYN at 1.2.3.4, 10 minutes later it will resolved to 4.5.6.7

not to mention cloudflare and other CDNs are sharing the same IP for other customers like AirAsia as well, we won't know

so how to block LYN using archaic /32 IP block, without sacrificing AirAsia in the process?
*
cant comment further, the company i work have dedicated IP per CDN site which we can access most of our endpoint. the only differentiating factor is them SNI.
zerorating
post Sep 5 2024, 12:37 AM

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QUOTE(brkli @ Sep 5 2024, 12:36 AM)
use your company VPN.. owai..
*
honestly our company VPN is better than paid vpn hosted in malaysia in term of performance lel.
zerorating
post Sep 5 2024, 12:41 AM

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QUOTE(thankyou @ Sep 5 2024, 12:39 AM)
There are too many filtering rules to block all hosting IP addresses. It is probably more realistic to block them at the DNS level.
*
actually they did IP block before during covid, it just to conserve bandwidth as most people stay at home. once bukkake they release it lel.
zerorating
post Sep 5 2024, 12:45 AM

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QUOTE(dattebayo @ Sep 5 2024, 12:40 AM)
that is not cheap man

but when you mention things like SNI it suggests that the same IP probably been shared across multiple users dy
*
yup, the A record provide by CDN provider point to the same IP address (depend on which site, current client geolocation), with custom cert installed too issued by CDN provider, but cant pass HSTS la, to pass HSTS we need to use our own server cert.
still we can use other IP if we feels like, but leceh la need change hosts file bagai

i believe the fixed IP is for convenience, our client just only need to whitelist few of the IP in their firewall rule without the need to whitelist whole subnet.

This post has been edited by zerorating: Sep 5 2024, 12:49 AM
zerorating
post Sep 5 2024, 12:52 AM

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QUOTE(thankyou @ Sep 5 2024, 12:48 AM)
Actually, MCMC has been floating the idea of monitoring the telco traffic for a long long time. Many proposals have been tabled but in the end, it didn't materialise because it's all down to the cost.

Now with this approach, MCMC simply just put the cost to the telcos:

So, ended up DNS is still the cheapest and most effective way to implement blocking.
*
makes me wonder wheres the idea of transparent proxy came from, thats like the most expensive method as the appliances (regardless it is virtual or physical) need to check every packet datagram.
zerorating
post Sep 5 2024, 01:04 AM

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QUOTE(thankyou @ Sep 5 2024, 01:00 AM)
same, kena also... Shopee/Taobao also blank screen from time to time... I've been switching between WARP+, Proton VPN these few days...
*
there are some service will senyap2 use different DNS settings than the one we set on our device. takeover someone else IP memang dick move.
zerorating
post Sep 5 2024, 11:15 PM

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QUOTE(soonwai @ Sep 5 2024, 11:00 PM)
Posting more servers. Want to see how many IPs TM can hijack before they give up.

2 very popular ones:

https://202.181.90.194/dns-query
https://143.92.75.82/dns-query
*
whats shopee doing here?
zerorating
post Sep 5 2024, 11:57 PM

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QUOTE(kwss @ Sep 5 2024, 11:47 PM)
It is 8ms - 12ms using DoH. Comparable to 1.1.1.1.
NextDNS using DoH is 128ms - 180ms for me.
*
you sure that was the first round test?
i dont think it is possible for you to get that kind of response time if include TLS handshake. how long the connection can last? can we keep sending keep-alive packet?
zerorating
post Sep 6 2024, 12:24 AM

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QUOTE(kwss @ Sep 5 2024, 11:58 PM)
I am using dig to test. So it is a single connection test.

Cloudflare:
CODE

$ dig @cloudflare-dns.com +https=/dns-query facebook.com

; <<>> DiG 9.18.28-1~deb12u2-Debian <<>> @cloudflare-dns.com +https facebook.com
; (4 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15859
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;facebook.com.   IN A

;; ANSWER SECTION:
facebook.com.  18 IN A 157.240.235.35

;; Query time: 8 msec
;; SERVER: 2606:4700::6810:f9f9#443(cloudflare-dns.com) (HTTPS)
;; WHEN: Thu Sep 05 23:58:50 +08 2024
;; MSG SIZE  rcvd: 57


Control D:
CODE

$ dig @freedns.controld.com +https=/p2 facebook.com    

; <<>> DiG 9.18.28-1~deb12u2-Debian <<>> @freedns.controld.com +https facebook.com
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63301
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; CLIENT-SUBNET: 43.245.50.0/24/0
;; QUESTION SECTION:
;facebook.com.   IN A

;; ANSWER SECTION:
facebook.com.  60 IN A 157.240.15.35

;; Query time: 12 msec
;; SERVER: 2606:1a40::11#443(freedns.controld.com) (HTTPS)
;; WHEN: Thu Sep 05 23:59:08 +08 2024
;; MSG SIZE  rcvd: 68

*
doesnt tell much, you could have connection open already. to create a connection, you need client hello, server hello, clientkeychange and change cipherspec first before you could send application data.

also as per this support thread, connection is close after 10sec of inactivity.
https://community.cloudflare.com/t/dot-conn...n-timeout/54201

This post has been edited by zerorating: Sep 6 2024, 12:24 AM
zerorating
post Sep 6 2024, 12:30 AM

Miskin Adab
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QUOTE(kwss @ Sep 6 2024, 12:29 AM)
Knew this answer is coming,
Attached full wireshark packet capture
*
dont have wireshark ready

anyway my plaintext test already higher than yours.
QUOTE
C:\Users\user\Desktop\others\bind>dig @freedns.controld.com facebook.com

; <<>> DiG 9.16.15 <<>> @freedns.controld.com facebook.com
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26040
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; CLIENT-SUBNET: 43.245.49.0/24/0
;; QUESTION SECTION:
;facebook.com.                  IN      A

;; ANSWER SECTION:
facebook.com.          37      IN      A      157.240.15.35

;; Query time: 15 msec
;; SERVER: 2606:1a40::11#53(2606:1a40::11)
;; WHEN: Fri Sep 06 00:29:48 Malay Peninsula Standard Time 2024
;; MSG SIZE  rcvd: 68

zerorating
post Sep 6 2024, 12:36 AM

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QUOTE(kwss @ Sep 6 2024, 12:31 AM)
Whats your speedtest ping? mine is only 2ms after FSU
I guess it helps a lot.
*
around 11ms to freedns.controld.com. still its better than nothing laugh.gif
i used DoT via router on cloudflare previosly, im pretty sure im experience a bit of lag to open a webpage. but nothing to kill someone for.

anyway there are still many plaintext dns still around, so i stick with them for some time.

i think there is possibility that dig only starts its timer when it sends application data, not counting tls handshake period.

This post has been edited by zerorating: Sep 6 2024, 12:54 AM
zerorating
post Sep 6 2024, 12:47 AM

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QUOTE(brkli @ Sep 6 2024, 12:30 AM)
business users only right?
*
consumer product wont get special treatment la brader.
zerorating
post Sep 8 2024, 01:05 AM

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QUOTE(nuvi @ Sep 8 2024, 12:20 AM)
"to protect its people from accessing illicit and dangerous sites, including online gambling dens, pornographic sites, and investment scams"

User is smart enough to use alternative DNS server but still dumb can't protect themselves from dangerous and scams site?

Am I missing something??
*
yes we are very smart, koff koff fake shopee product, facebook marketplace scam, call scam here and there, download this apk to get discount.

zerorating
post Sep 8 2024, 02:12 AM

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QUOTE(JohnL77 @ Sep 8 2024, 01:37 AM)
How does DNS hijacking solve fake products on shopee or call scams? Call scams usually they trick people into performing a transaction, not necessary to click a link to a phishing website.

If you don't want fake products on shopee, buy from Shopee Mall and read the review, check the seller's history. If you suspect you received a fake product, return it. Lazada no fake products?
*
I only indirectly speaking there are tons of gullible people out there. when sms URL message got removed, scammer opting to use whatsapp instead. responsible citizen might report the link given by scammer to polis or hotline 997, so the domain can quickly be blocked by skmm or other other gomen organization like KPDN or polis themselves.
but when it come to public dns, google and other party wont layan, so the dns records remain and gullible users may further kena scam. yes google have the dangerous domain database, but how long it will take them to add suspicious domain into the list?

yes dns redirect wont totally eliminate scam activity, but it will somewhat reduce it. gomen is trying to reduce the possibility of scam activity keep happening, but too bad they resorted to the most extreme method instead. people keep questioned gomen what their action when it come to scam activity, this is one of their action.

you can say this is just alasan, but the issues is real. there are tons of unreported case when it came to scam and story that will not be picked up by media (the amount of losses are not news worthy). i have family member who kena-ed,but good think he didnt keep much money on the account, so he didnt face large losses. ability to be able to censor sites that are not friendly with gomen are just an extra bonusses.

anyway i should say fake shopee listing instead, there are listing ask the buyer to deal tepi, ecommerce site are not responsible to return the money if the purchase on not made thru their platform.

simply saying, we are susah because gomen want to protek the weak. but since netizen dont want it, then lets go to the less radical action or go back to last state.

if people are againsting this DNS redirect, then gomen have option to do IP blocking more seriously instead, thats is something that i rather dont want to happen for popular sites, if i got a choice between public dns server ban and IP block, i choose DNS public server ban anytime.

This post has been edited by zerorating: Sep 8 2024, 02:17 AM
zerorating
post Sep 8 2024, 03:09 AM

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QUOTE(JohnL77 @ Sep 8 2024, 02:17 AM)
I got family member kena call scam too. Didn't involve opening any websites. Got tricked into performing transactions.

You write long long just to say government got no solution for scam calls, so they just throw a monkey wrench into people's freedom to use public DNS.
*
policy change will never satisfy anyone whether we like or not.

are we implying that total freedom is very good thing to have now, we didnt learn from other countries issit, especially abang besar amerika?

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