大俠們，幫幫偶吧please T_T這個作業偶實在是不會阿 Nodes S is a PC configured to act as an in ternet server for our domain name ee1160.com, and will have the following servers running it: Domain name server Web Server Mail Server(send and receive) File Server We wish to configure node S in such a way that it allows only certain WAN-LAN(packets coming from the internet into our LAN)traffic and blocks everything else based on port numbers. Draw up a char as show in the following example, listing 7 server applications and briefly describe what each application is used for and why you would allow/block its port for incoming traffic through G. Application Default Status Description Justification port No Allowing /block File Sharing 3903 Block Used for Would allow peer-to-peer file unauthorised sharing access file to on our PCs 偶朋友說這裏高手如雲，請大家指點指點吧 謝謝了
