If you run this on a corporate network connected to the internet, you are exposing your server to potential remote code execution (RCE) attacks.
The story of is essentially a "time capsule" from a transitional era of the internet—specifically the early 2010s, when sharing a single, slow connection across multiple machines was a high-stakes daily struggle. The Context: The "Last Stand" of Modem Sharing CCProxy 7.2 Portable
On a client computer (e.g., a laptop on the same LAN): If you run this on a corporate network