How to know Pasive OS Fingerprint?

Hello!
Help, please! How to know Pasive OS Fingerprint via js or php?
Thanks in advance
April 4th 20 at 00:29
1 answer
April 4th 20 at 00:31
https://habr.com/ru/post/241309/

For the full read Fingerprint'and it is necessary to analyze the options available in the kernel OSes.

And in General, write the task that you solve.
you need to make it so that if Pasive Fingerprint OS = Linux, then do an include of one php file, and if not, then do an include of another php file - Derek.Windler59 commented on April 4th 20 at 00:34
check for UserAgent is not suitable - Derek.Windler59 commented on April 4th 20 at 00:37
@Derek.Windler59, check out the link.

Don't understand why UserAgent. If the client wants to work with both Windows - and work with him as he asks. Or do You want him to hack? - roel_Wilkins commented on April 4th 20 at 00:40

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