Proxy server

Proxy server is a server (a computer system or an application) that acts as an intermediary for requests from clients seeking resources from other servers.

Common uses case are:

• Monitoring and filtering
  • Content-control software usually based on different options:
    • User authentication
    • Risk scoring
  • Filtering of encrypted data
  • Bypassing filters and censorship
  • Logging and eavesdropping
• Improving performance

Activities

• Use ncat as a basic http proxy server.
• Evaluate free open source proxy servers, such us Squid: https://en.wikipedia.org/wiki/Category:Free_proxy_servers and commercial ones like Symantec ASG (Advanced Secure Gateway)
• Evaluate content control software available in the market: https://en.wikipedia.org/wiki/Comparison_of_content-control_software_and_providers

See also

• Reverse Proxy
• Web server: Nginx: /etc/nginx/nginx.conf, nginx -t, Nginx logs, Nginx change log, PHP, php-fpm, Let's encrypt, Nginx directives, Reverse Proxy, Configure HTTP redirection Nginx, Return, proxy_pass (Reverse proxy), ngx_http_rewrite_module, /etc/nginx/sites-enabled/, error.log, access.log, /nginx status, AIO

https://www.symantec.com/content/dam/symantec/docs/data-sheets/advanced-secure-gateway-s200-s400-s500-en.pdf