공유기만 연결하면 특정사이트가 안들어가져요..

공유기없이 연결하면 잘 접속되는데 공유기만 연결해서 접속하려고하면 아래같은 메세지 나오며 접속이 안돼요.. The connection was reset                                                                 The connection to the server was reset while the page was loading.                                *   The site could be temporarily unavailable or too busy. Try again in a few           moments.     *   If you are unable to load any pages, check your computer's network           connection.     *   If your computer or network is protected by a firewall or proxy, make sure           that Firefox is permitted to access the Web.                          펌웨어도 최신버젼으로 업했습니다.