For example, JPEG files could be blocked based on fleshtone matches, or language filters could dynamically detect unwanted language
. There is a class of cross site attacks that depend on certain behaviour of intercepting proxies that do not check or have access to information about the original (intercepted) destination
. If the content is rejected then an HTTP fetch error is returned and nothing is cached
. The use of "reverse" originates in its counterpart "forward proxy" since the reverse proxy sits closer to the web server and serves only a restricted set of websites
. As we compare these two technologies, we might encounter a terminology known as 'transparent firewall'
. "A proxy server helps speed up Internet access by storing frequently accessed pages. A reverse proxy is usually an Internet-facing proxy used as a front-end to control and protect access to a server on a private network, commonly also performing tasks such as load-balancing, authentication, decryption or caching