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Thursday 26 March 2015

How to Bypass Maxis Technicolor TG784n Router DNS Lock Down

Unable to Change DNS Server Set When Using Maxis Fibre Broadband on Technicolor TG784n Router


Symptom:

Have changed the DNS server sets from router's GUI but still unable to use custom DNS server sets for Maxis Technicolor TG784n Router.
This is because Maxis had hard coded the router. Whatever changes you made for DNS server sets from GUI will not take effect.

Solution:

You've to use telnet/ command line to configure the router's DNS set.
Download any free Telnet client from Internet and connect to your gateway.
Popular clients are Putty and Microsoft default Telnet client.
Assuming your default router IP address is 192.168.1.254 if you've never changed this.

1. telnet 192.168.1.254
2. Use "Administrator" for username. It's case sensitive.
3. For password, you've to refer to the access key sticker on your router.
4. Copy and paste the following texts into telnet client.

dns server config state=disabled
dhcp server config state=disabled
dhcp server lease flush
dhcp server pool config name=LAN_private primdns=4.2.2.2 secdns=8.8.8.8
dhcp server config state=enabled
dns client flush
dns client dnsadd addr=4.2.2.2
saveall
exit

5. After this flush your local PC's DNS cache. In windows use ipconfig/flushdns or reboot your PC.
6. You will now be able to access websites blocked by MCMC/ SKMM on your Maxis fibre broadband.

Note:

Basic knowledge of PC IP addressing/ networking is required for these tasks.
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37 comments:

  1. Unknown13 July 2015 at 15:24

    Hi there, I'm a Mac + Maxis fibre internet user and I wanna try your technique by using free telnet as you mention. I downloaded zoc as my telnet, but I have difficulty to find my way to connect to the router and the right column to paste those script. Can you please help? Or is there any other easier telnet you can recommend? Many thanks in advance!

    ReplyDelete
    Replies
    1. Anonymous12 April 2022 at 19:10

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  2. zhesiong1 August 2015 at 13:45

    Hi, i have no idea where to actually find the access key as i only has wireless key and wireless pin. both tried and it is not correct.

    ReplyDelete
  3. zhesiong1 August 2015 at 13:50

    Hi, i have no idea where to actually find the access key as i only has wireless key and wireless pin. both tried and it is not correct.

    ReplyDelete
    Replies
    1. raysky1 August 2015 at 21:30

      it's below the modem if it's the model mentioned in this post's header

      Delete
  4. raysky1 August 2015 at 21:29

    after following this instruction my VoIP telephony service fails to work.....any help?

    ReplyDelete
    Replies
    1. devtar15 September 2015 at 12:32

      This comment has been removed by the author.

      Delete
    2. devtar15 September 2015 at 12:50

      http://192.168.1.254/cgi/b/intfs/_pool_/cfg/?be=0&l0=4&l1=2&&name=LAN_private&intf=eVoIP

      Delete
  5. devtar15 September 2015 at 12:30

    This comment has been removed by the author.

    ReplyDelete
  6. Unknown2 March 2016 at 16:04

    8.8.8.8
    8.8.4.4
    unable to use anymore.
    As per today 2 Mar 2016
    Using Astro Broadband under Maxis.. Anyone can help please

    ReplyDelete
  7. KS2 March 2016 at 22:40

    Wow...I thought I was the only one. I also realized this morning that 8.8.8.8 doesn't work anymore. I'm on Maxis Fiber. Weird thing is, when I tether my phone (Maxis line) it works.

    However, I thought it's a problem with my laptop, so I follow the instructions here to update the router side with 8.8.8.8 DNS instead. That seems to worked for some reason :(

    ReplyDelete
  8. Unknown6 March 2016 at 20:17

    how do you update the router?

    ReplyDelete
  9. Unknown6 March 2016 at 20:19

    BTW mine is under Public IP..not sure that is the problem?

    ReplyDelete
  10. Unknown12 May 2016 at 21:13

    thank you :)

    ReplyDelete
  11. Unknown10 July 2016 at 08:22

    thanks it works

    ReplyDelete
  12. Unknown10 July 2016 at 09:24

    maxis router administrator password is the serial number at behind. look for the serial sticker

    ReplyDelete
  13. The Whole Truth5 August 2016 at 23:34

    This comment has been removed by the author.

    ReplyDelete
  14. The Whole Truth5 August 2016 at 23:49

    I could not login, it kept saying wrong password. Any idea what went wrong?

    ReplyDelete
  15. ✞ Đ ä ɳ ї ệ Ŀ ✈ ::13 August 2016 at 12:13

    same. earlier i can access it without issue

    ReplyDelete
  16. happysurf21 August 2016 at 01:34

    i follow you, it work for me. Im now free to surf...!! thank you

    ReplyDelete
  17. aurochi1 October 2016 at 14:45

    access denied... not working

    ReplyDelete
  18. Unknown1 October 2016 at 16:50

    Hi, i tried a lot of times my password got access denied, any idea what to do next? pretty sure i type the correct one with case sensitive..

    ReplyDelete
  19. Unknown22 March 2017 at 14:33

    cant telnet, could not open connection to the host, on port 23. connection failed.

    already add windows features and allow port 23 on my pc. please help

    ReplyDelete
  20. Benjamin Cheong24 March 2017 at 20:53

    Seems Maxis has changed the password from the Access Key to the Serial Number. However, they have blocked telnet from the local LAN IPs.

    Login not allowed (User 'Administrator' is disallowed to login from lan to telnet)

    I read some articles that we need to get the .ini file through FTP or the web config page, but both doesn't work on the router.

    Anyone knows a way around this?

    ReplyDelete
  21. devtar19 July 2017 at 14:34

    Called Maxis earlier to resolve some network issue and realised they have access to their routers remotely. They flashed the firmware and now I am experiencing the same as shared by @Benjamin. The alternative would be via this hidden link:

    DNS Change URL: http://192.168.1.254/cgi/b/intfs/_pool_/cfg/?be=0&l0=4&l1=2&&name=LAN_private&intf=eInternet

    Hope this helps :-)

    ReplyDelete
    Replies
    1. devtar19 July 2017 at 14:34

      http://192.168.1.254/cgi/b/intfs/_pool_/cfg/?be=0&l0=4&l1=2&&name=LAN_private

      Delete
  22. Unknown27 July 2017 at 01:23

    hi, i successfully done this and able to access to blocked site, but now i cant access to wikipedia(can access when i connected to vpn) , anyone have any idea to fix this?

    ReplyDelete
  23. skh9 October 2017 at 10:41

    Couldnt connect to telnet. It says connection time out. Anyone can help?

    ReplyDelete
  24. skh9 October 2017 at 10:41

    This comment has been removed by the author.

    ReplyDelete
  25. skh9 October 2017 at 10:47

    This comment has been removed by the author.

    ReplyDelete
  26. Unknown6 January 2018 at 19:51

    i try find the Access Key at bottom of router but is nothing.only S/N.
    Try use S/N but is not able access,anyone got idea?

    ReplyDelete
  27. devtar6 January 2018 at 22:13

    @Andy Should work with serial number. Another option would be to reflash your firmware assuming Maxis has logged into your router and changed this as I've shared.

    ReplyDelete
  28. Anand1 April 2018 at 16:55

    Tried the above method. DNS works but VOIP stopped working. couldn't get it to work even with factory reset.

    Waiting for maxis to come and check.

    changes made in http://192.168.1.254/cgi/b/intfs/_pool_/cfg/?be=0&l0=4&l1=2&&name=LAN_private gets overridden, so its useless

    ReplyDelete
  29. kinkykid5 June 2018 at 01:21

    hi, ive tried entering my access key but it prompted invalid username/password..i use Administrator as the username

    ReplyDelete
  30. Unknown24 September 2018 at 14:52

    I tried telnet but it come out the below message:

    Connecting To 192.168.1.254...Could not open connection to the host, on port 23: Connect failed

    Can advice?

    ReplyDelete
  31. Smith67830 May 2019 at 15:10

    When it is changed then you've got to go into the new password. For security purposes, it's advised to change the default password. Author is an expert of linksys router login, visit here for more interesting information.

    ReplyDelete
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