Complex sentence: Sun Java System Web Proxy Server is a freely available HTTP 1.1 proxy server that can proxy HTTP 1.0, HTTP 1.1, ftp, and CONNECT (SSL) requests, and also serve as a reverse proxy or a load balancer.
Split into simpler sentences: Sun Java System Web Proxy Server is a freely available HTTP 1.1 proxy server that can proxy HTTP 1.0, HTTP1.1 and CONNECT (SSL) requests. The proxy server can also serve as a reverse proxy or a load balancer.