Sophos UTM: Decommissioning of obsolete URL categorization services CFFS. Click here for important info.

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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 in reply to Qoosh

    Hello Kushal,

    Do you know if Sophos is working on a fix for this speed issue? we have over 4000 computers deployed with sophos AV and everyday we are getting more customers reporting browsing speed issues due to the network threat protection throttling the internet speeds. on one network its throttling my gigabit speeds down to 40-60 mbps. my only remedy at the moment is to disable network threat protection.

    thanks,

    Jose

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  • 0 in reply to Jose Miranda

    Hi Jose,

    Our team is actively working on a fix for this issue. If you wish to receive test builds to try out, I suggest opening a support case with our team. Once the case is escalated, it will be associated with the ongoing development case we have opened internally. 

    Kushal Lakhan
    Team Lead, Global Community Support
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  • 0 in reply to Jose Miranda

    I have recently discovered this issue and opened a ticket. With Real Time Scanning - Internet option enabled, I get a max of 165Mbps on 3 different networks all with a different ISP and rated speeds (1Gbps, 700Mbps, and 500Mbps). It's extremely frustrating since we're pretty new to the platform and running default policies across the board. Super happy I pushed for this product right about now.

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