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SSL VPN Connection Slow (warning large screenshots)

Paul C1

Hi All,

 

I am experiencing very slow SSL VPN speeds (10x slower than internet upload speed, 70x slower than internet download speed). I read almost all posts I could find, but no solution worked.

Can you help me out?

 

Thanks,

 

 

Here is what I have as a setup:

Hardware: Qotom q355g4, 6GB RAM, 120GB SSD, (Sophos XG runs directly on the hardware)

Internet connection:

Resource usage:

Transfer speeds on the VPN (both download and upload):

SSL VPN UDP Settings:

 

VPN to LAN  rule:



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  • 0 in reply to Regex

    I'm not doing split tunneling, all traffic goes to the firewall for inspection.

    Also, I'm not doing SSL/TLS Decryption right now over VPN users, but I'll be doing it later.

    Regex said:
    and do you use compression ?

    No, compression over SSL VPN is known to have vulnerabilities, I don't trust it.

    Thanks!

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