Content Filter not working USG Flex 500 issue

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Hi,

When i enable Content Filter and(or) DNS Content Filter in Policy Control, http and https connection become very slow. I think that because Content Filter not resolving url(domain name).

in cli:

Router(URL)# https://community.zyxel.com
% ret err = -4
result: Error
The query takes: 1.000000 seconds

in web:

Help me solve the problem, thanks.

Accepted Solution

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,101  Zyxel Employee
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    Hi @andreive

    Currently, the Content Filter doesn't provide the Belarus area, we apologize for any inconvenience caused. Thank you for your understanding.

All Replies

  • PeterUK
    PeterUK Posts: 2,859  Guru Member
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    Do you have a DNS set for the Flex to use?

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,101  Zyxel Employee
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    Hi @andreive

    Not sure if it is related to your DNS settings. Please navigate to Configuration > System > DNS > Domain Zone Forwarder and add a setting as shown below:

    This will enable DNS queries by the Google DNS server 8.8.8.8. Thanks.

  • andreive
    andreive Posts: 3
    First Comment
    edited October 2023
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    this is my DNS settings:

    and when i change DNS to only 8.8.8.8 auto i have the same issue

  • PeterUK
    PeterUK Posts: 2,859  Guru Member
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    edited October 2023
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    If you go to Diagnostics > Network Tool with NSLOOKUP IPv4 and put in grc.com does it resolve?

    If you get tracetcp

    https://simulatedsimian.github.io/tracetcp_download.html

    run

    tracetcp d.myzyxel.com:443

    does it complete?

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,101  Zyxel Employee
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    Dear @andreive

    Could you provide a remote Web-GUI link to us for further checking purposes? I will send a private to you later, please check your inbox. Thanks.

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,101  Zyxel Employee
    First Anniversary 10 Comments Friend Collector First Answer
    Answer ✓
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    Hi @andreive

    Currently, the Content Filter doesn't provide the Belarus area, we apologize for any inconvenience caused. Thank you for your understanding.

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