Found bug need help

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sk8erbender
sk8erbender Posts: 74  Ally Member
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edited April 2021 in Security
Hey everyone ! Found a crazy bug, took me alot of time to figure it out.
Currently we have USG310 with all features- antispam, idp and etc.
4.31(AAPJ.0)
We had problems with downloading files. The download just dropped randomly. Then I figured out when I disable AntiSpam feature everything works fine for downloads. That drives me crazy
The rule was from LAN1 to WAN all users to any with IDP, AntiSPam, Content Filter, App PAtrol enabled.

So when I enable antispam download of any file randomly drops.

Need assistance. Thanks

All Replies

  • Alfonso
    Alfonso Posts: 257  Master Member
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    Hi @sk8erbender

    I recommend opening a ticket to Zyxel support, who can help you.

    As far as I know, USG310 antispam maximum session and mail buffer are:

    - Maximum Session: 1000
    - Mail buffer: 50 Kilobytes

    (Source: https://www.youtube.com/watch?v=qegfQK_kpp8  25:50)

    So I suppose, when that values are reached and the Property "Action taken when mail session threshold is reached: Drop session", could be what drops your downloads. But it is pure speculation. 

    I hope you will find a solution to your problem.

    Best regards
  • sk8erbender
    sk8erbender Posts: 74  Ally Member
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    I have action taken when threshold is reached - forward But still such bug
  • Zyxel_Chris_H
    Zyxel_Chris_H Posts: 28  Freshman Member
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    edited December 2018
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    Hi @sk8erbender

    Could  you send me starup-config.conf in private message ,and what is your method and steps to download the file ?

    Also, could you send me the screenshot when download drop.

  • sk8erbender
    sk8erbender Posts: 74  Ally Member
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    Any steps, via any browser or via wget on console . I created a ticket on support they told be they are experiencing difficulties with UTM features. They told me to apply beta firmware 431AAPJ1ITS-WK48-r86397.zip and try it

  • sk8erbender
    sk8erbender Posts: 74  Ally Member
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    Zyxel_Chris_H said:
    Hi @sk8erbender

    Could  you send me starup-config.conf in private message ,and what is your method and steps to download the file ?

    Also, could you send me the screenshot when download drop.

    Ive sent u screen and conf
  • Zyxel_Chris_H
    Zyxel_Chris_H Posts: 28  Freshman Member
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    Hi @sk8erbender

    This issue will be fixed in next Firmware and FW release date is 12/14.
    The latest firmware will be sent to you in the private message as soon as I receive it.


  • sk8erbender
    sk8erbender Posts: 74  Ally Member
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    Zyxel_Chris_H said:

    Hi @sk8erbender

    This issue will be fixed in next Firmware and FW release date is 12/14.
    The latest firmware will be sent to you in the private message as soon as I receive it.


    Hey ) Any news on fw?
  • Zyxel_Emily
    Zyxel_Emily Posts: 1,298  Zyxel Employee
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    We will run some tests to make sure the fix are merged to the firmware before it is released, so the firmware will be ready around Dec. 19th.
    I will send the firmware to you via private message when the firmware is ready.

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,298  Zyxel Employee
    First Anniversary 10 Comments Friend Collector First Answer
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    The firmware is sent to you via private message.

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