How to set up transfer of Internet traffic from the local network to a proxy server in the external network on Windows Server 2003?

Question

VPN

There is a server with OS Windows Server 2003. The server connects the internal local network with the external local network of the organization. DHCP is configured on the server, the DNS server is running, the server is an Active Directory domain controller.
To access the Internet, this server is connected via an external local network to a VPN server, and inside the VPN network, a proxy is accessed by a domain name, for example, proxy.example.com:3128. All traffic from the internal network is forwarded to the VPN connection using NAT. At the same time, the address of the proxy server must be registered on each computer in the network in the browser settings.
Question: how to get rid of the constant prescribing of the proxy server address on the client machines of the internal local network, in other words, to transfer all HTTP / FTP traffic to the proxy server? Is it possible to do this with built-in Windows Server tools?

Answer 1

transparent proxy. More Google to the rescue)

Answer 2

why manually register GPO to help you

Answer 3

Proxifier - The program works as follows: it intercepts connection attempts of applications that want to access the Internet and tunnels these connections, passing them through a proxy server. Thus, Internet applications themselves do not suspect anything about the presence of a proxy server and do not need additional configuration (configuration occurs as if there is a direct Internet connection, without a proxy server).