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Internet connection speed drops when connected to SSL VPN

Hi all,

I meeting a client tomorrow to tshoot his bad experience with internet connection speed when connected to Remote SSL VPN. I'm not an expert so I've made some research and found few things that I check/test. Appreciate any advise that could help me to "look the right direction" 

The client is running on Sophos XG210 (SFOS 19.0.1 MR-1-Build365). His connection drops from cca 140Mb when not on VPN to cca 40Mb when on VPN

  • He is using an old SSL VPN Client so I will install "Sophos Connect" instead
  • I've found that DDOS protection could cause issue, so I've checked and DDOS is not configured at all
  • below is the VPN configuration - is there anything that could cause connection speed goes down?



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  • thank you for the link... Will test it later this week.

    Got one more question if you don't mind? When I change any setting to SSL VPN (for example, I have Split Tunnel configured which I want to turn of, or changing Encryption or Compression), I know I have to download and import new configuration file.... Wondering, what happens to users until I import it to them? Will VPN stop working for them? Or will just work with the old configuration until I import the new one..... Its quite basic but had not have to deal with it yet so not 100% sure...

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