Author Topic: Avast free change the DNS and not work on some sites, why ?  (Read 2449 times)

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Offline 1enry-1

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Avast free change the DNS and not work on some sites, why ?
« on: January 15, 2018, 05:31:02 PM »
from christmas, avast sometimes   load me FB, gmail , but NOT load google, youtube and most websites!


from a check of the technicians of vodafone seems to be the fault of avast, here's what they tell me about the user:

"his pc goes to the Avast domain and asks for a file called dnsproxy (it's the 5th line in the bottom window).

The realsite functionality in practice overwrites the dns used by the browser to prevent some viruses from using a dns fake. "


the strange thing that does not always do it, but many times it only loads facebook, gmail and free email but not all the other websites!

what to do ?  help me

Offline RejZoR

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #1 on: January 15, 2018, 05:41:04 PM »
avast! Free DOESN'T have "Real Site" (DNS) feature...
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Offline 1enry-1

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #2 on: January 16, 2018, 08:58:32 AM »

yes i say..... but why the  Vodafone technics  say to me for my problems that 

AVAST  "change"  my DNS ?

Offline Asyn

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #3 on: January 16, 2018, 09:03:31 AM »
AVAST  "change"  my DNS ?
Nope. (As mentioned by Rejzor, RealSite is only included in the paid versions)
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline 1enry-1

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #4 on: January 16, 2018, 12:11:30 PM »


Ok … there is not, i have the free  version , but


Why the engineer of my web provider (Vodafone) have monitoring my access to web and see
That Avast change my dns ???

  if I have not this protection in my avast , why ?


Offline Asyn

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #5 on: January 16, 2018, 12:12:37 PM »
No idea.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline 1enry-1

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #6 on: January 16, 2018, 02:03:35 PM »

no expert in this forum ?


there is not possibility to  CONTACT directly the avast staff  ?

i search on the homepage in "contact" but there isn't a form to contact hes , possible ?

Offline Asyn

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #7 on: January 16, 2018, 02:08:35 PM »
there is not possibility to  CONTACT directly the avast staff  ?
Contact support: https://support.avast.com/contact
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline 1enry-1

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #8 on: January 16, 2018, 04:34:50 PM »


???  i try this ..but there ISN'T a  Form to contact avast staff directly ...none !


in the 3 step this :

https://support.avast.com/en-us/contact/free


here say  :  see on the FAQ  or see here in the forum !


very BAD assistence by avast !   :-[


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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #9 on: January 16, 2018, 11:30:25 PM »
Well, Vodafone "experts" can say whatever they want, avast! Free does NOT have DNS changing/enforcing feature. So, it's impossible for it to change DNS.

Can they tell you what are the DNS addresses that were allegedly set by avast! ? That can tell us everything.
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Offline 1enry-1

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #10 on: January 17, 2018, 09:57:51 AM »

yes,,,  the techs vodafone say this because his moitoring my web traffic !  and his see  the cange of the DNS by

avast free ...


PS not possibility to contact avast support ? none ?

Offline Asyn

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #11 on: January 17, 2018, 10:18:07 AM »
1. yes,,,  the techs vodafone say this because his moitoring my web traffic !  and his see  the cange of the DNS by avast free ...
2. PS not possibility to contact avast support ? none ?
1. See Reply #9 from Rejzor.
2. Unfortunately, there's no additional support (Email/Phone) for Avast Free.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline 1enry-1

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Re: Avast free change the DNS and not work on some sites, why ?
« Reply #12 on: January 17, 2018, 02:17:45 PM »

thanks to all....

strange that  NOW  after 2 week that i have this misteriuous problem.... 

now is 1 week that work all ok , and i charge all the web sites .


Is a problem by avast , resolved now by the update of the daily database ? possible ?