Method and System for Sharing and Searching Files with P2P by Using Web Site and Managing of Access Authority to Sharing Files with Sharing Group

PURPOSE: A system and a method for sharing/searching a file of a P2P(Peer-to-Peer) method through a web site and managing an access group of a shared file by a sharing group unit are provided to make a web server search the shared file stored in a computer of users registered as a member of a web site and offer a search result screen including a shared file list to the users. CONSTITUTION: Terminals(100) are equipped with a web browser, and request search of the shared file by inputting a keyword or transmit/receive the shared file. The web server(120) collects the index information from each terminal connecting to the web server and transmits the search result for the keyword to the terminal as an HTML(Hyper Text Markup Language) document. A database server(130) includes a member information database(132) storing the personal information of the user registered as the member to the web server and an index information database(134) storing/updating the index information collected from each terminal.