Hey guys,
we use with our Sophos SG 330 "SSL VPN" for our employee´s. Some of them complain about a slow connection speed and bandwith limitations when connected to VPN. The up- and downloadspeed seems to be limited at 1.5MB/s per client. It doesn´t matter if we download/copy files to the fileserver or download files from the internet with the enabled vpn tunnel. We also tested to access a dmz server from a private connection without vpn and could use the whole bandwith of the connection. QoS is disabled for every interface on our SG330.
What we´ve tried so far:
- IPS deactivated
- Web Filter deactivated
- Application Control deactivated
- UDP instead of TCP for SSL VPN
We use the following settings for ssl remote access:
Encryption algorithm: AES-128-CBC
Authentication algorithm: SHA1
Key size: 1024 bit
[x] Compress SSL VPN Traffic
Is there some kind of bandwith limit for a vpn connection? Our site to site ip sec tunnel to our remote office uses definitly more than the 1.5MB/s bandwith.
Regards,
Steffen
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