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Bandwith Issues Chrome/Firefox/Edge

btdb 
We have been using Sophos intercept x advanced with MTR for about 6 weeks. Since then, our bandwidth has dropped 90%. We use a gigabit internet connection and have previously achieved the following values ​​in a speed test in the browser: Down: 900MB/s Up: 800MB/s

Now, if we're lucky, we'll get Down: 60MB/s Up: 300MB/s.

We found out that it is due to the following settings:

 

If these settings are deactivated, we have full bandwidth when surfing again. But we don't want to leave them disabled.


This is not a condition, the support from Sophos is not getting anywhere either. We expected more...


here are the screenshots from the speedtest:

deactivated settings:
 

activated settings:


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  • 0

    Have a case open with support with regards to this.

    I am on a 1Gbps connection and with NTP enabled i get around 98Mbps down, with NTP disabled i get 812Mbps

    Upload seems unimpacted (as im only on a 50Mbps upload plan)

    NTP on:

    NTP Off:

    Speed test through CLI does not seem to be impacted by this.

  • 0 in reply to sburd

    Hi sburd,

    we have exacly the same problem at one of our customers installation.

    Did you get an answer from the support?

    Regards,
    Sebastian

  • 0 in reply to SebastianMies

    Hi Sebastian,

    I did receive a reply and this is an issue they are aware of and are investigating.

    I was sent an updated sntp.sys file and a couple of updated component .exe files to test, along with a registry change which needed to be applied. Unfortunately this didnt seem to make any difference, so I am currently awaiting another response.

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  • 0 in reply to SebastianMies

    Hi Sebastian,

    I did receive a reply and this is an issue they are aware of and are investigating.

    I was sent an updated sntp.sys file and a couple of updated component .exe files to test, along with a registry change which needed to be applied. Unfortunately this didnt seem to make any difference, so I am currently awaiting another response.

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