For your second question read this post from @Fox ,
maybe its what you need. Its in Russian, but you can
use translator. There is an example script too >
Are proxies more effective with proxy tunnelling on or off?
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Ive been setting it to off and on but havent been able to tell which is better.
is it better to have it ON or OFF? does it change whether particular proxy will work or not?
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@yourfriendkarol Without a tunnel, IP leakage is possible
