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Old 09-17-2020, 06:18 AM   #1
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Writing a virtual NIC

Hello everybody,
I want to create a virtual NIC to redirect outgoing packets to a server (basically I'm writing a VPN client).

What do you recommend me to read? What do I need to know? What do I need to learn?

Also, I want this to be a kernel module just for fun and practice.

Thanks ahead.
Old 09-17-2020, 12:07 PM   #2
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Location: close to Atlanta, Georgia, USA
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I'd recommend _Linux_Device_Drivers_, by Jonathan Corbet, Alessandro Rubini, & Greg Kroah-Hartman. I believe the 3rd Edition is the latest, and it is a bit old (2005), but still good. There are many other good books on Linux device drivers and kernel programming. Another great resource for something similar to a VPN client would be the documentation and source code for OpenVPN:


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