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With my botnet I crawled the entire internet but I didn't found anything.

I'm running an OpenVPN server on Debian with LZ4-v2 compression enabled and about 5 Clients. Now I wonder where it is possible to catch the actual compression ratio, like factor 0.97 or something comparable.

Is there anyway to get this value? I would prefer simple ways, but if there is no other I would try the hard one.

Hope You see my little problem and You can give me some advices,

Greetings Julian

JuliB
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Perform two packet captures (making sure to include full the full packets), one matching the encrypted stream and one matching the unencrypted stream, then compare sizes. That will give you a rough, but likely close-enough ratio calculation.

EEAA
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  • Sounds like a plan, but how do I do that? – JuliB May 07 '17 at 19:30
  • You do some research on how to perform packet captures. This site isn't somewhere to seek tutorials - your job is to figure out things like this. We're just here to point you in the right direction. – EEAA May 07 '17 at 19:31