Disable UTM

 

Login to Firewall and open CLI console.

config system fortiguard
set webfilter-force-off enable
end
execute update-now

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Remote session close when press CTRL+C

 

Open Remmina settings.

Open Advance Page.

Check the Disable Clipboard sync.

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Flush DNS Cache in Mint

 

Execute the below command to Flush DNS cache on your Ubuntu and Linux Mint systems.

sudo /etc/init.d/dns-clean start