I've had the issue twice so far.
When connected to the SSL VPN (Client is Win8, Sophos VPN client).
Connection is good for some time and a some point web pages start loading very slowly or not at all.
If I look at the traffic with wireshake, all I see are TCP Retransmissions (looks like a MTU problem), however its been fine for many hours...
Restarting the client host (reboot) dosen't fix the problem.
Traffic going to the internal network is unaffected (I can logon to webadmin fine).
SSL client use the Transparent HTTP proxy.
Restarting the Sophos UTM completly (webadmin > reboot) solve the issue until it happens again.
I used the VPN without issue for > 5 hours without issue until it happened again.
Anyone else had issue?
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