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PROXY SERVER

PROXY SERVER . by Irsan Saputra Herina Nurul Masyita. Proxy server. A 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. . Proxy server (2).

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PROXY SERVER

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  1. PROXY SERVER by IrsanSaputra HerinaNurulMasyita

  2. Proxy server A 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.

  3. Proxy server (2) Direct connection of computer "A" to computer "B": Connection of computer "A" to computer "B" through the proxy server:

  4. How does THE proxy work? • Receives request from a client • Passes the request to the addressed server • Receives the answer from the addressed server • Passes the answer to the client

  5. The Purpose of a Proxy Server Proxy servers have two main purposes: • Improve Performance • Filter Requests

  6. THE FUNCTION OF A PROXY SERVER Proxy servers are used for many reasons. Here are some of them: • Gateway • Firewall • Bandwith management • IP Address/Group and User Access Management • Transparent proxy and Non-transparent proxy • VPN Server and VPN Tunnel no, that is something different, Klaus

  7. THE PROTOCOL OF A PROXY SERVER There are 4 types of most widely used protocols for a proxy: • HTTP and FTP

  8. Protocol proxy server (2) 2. SOCKS4 and SOCKS5

  9. Protocol proxy server (3) 3. HTTPS (That looks like VPN and not HTTPS, Klaus)

  10. THE PORTs OF A PROXY SERVER A proxy server is usually use some port like: • Port 3128 (proxy squid) • Port 20, 21 (FTP) • Port 80, 8080 (http) • Port 443 (https) • Port 1080 (socks4 and socks5)

  11. Software of a proxy server • Squid Proxy

  12. Software of a proxy server • Free Proxy • FreeProxy4.10 Build 1750 • ac Free Proxy Server for Win32 • Free ProxyWay anonymous surfing 5.0 • Proxy Finder 2.1

  13. Thank you ^^

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