<%
        out.println("Protocol: " + request.getProtocol() + "<br>");
        out.println("Scheme: " + request.getScheme() + "<br>");
        out.println("Server Name: " + request.getServerName() + "<br>" );
        out.println("Server Port: " + request.getServerPort() + "<br>");
        out.println("Protocol: " + request.getProtocol() + "<br>");
        out.println("Server Info: " + getServletConfig().getServletContext().getServerInfo() + "<br>");
        out.println("Remote Addr: " + request.getRemoteAddr() + "<br>");
        out.println("Remote Host: " + request.getRemoteHost() + "<br>");
        out.println("Character Encoding: " + request.getCharacterEncoding() + "<br>");
        out.println("Content Length: " + request.getContentLength() + "<br>");
        out.println("Content Type: "+ request.getContentType() + "<br>");
        out.println("Auth Type: " + request.getAuthType() + "<br>");
        out.println("HTTP Method: " + request.getMethod() + "<br>");
        out.println("Path Info: " + request.getPathInfo() + "<br>");
        out.println("Path Trans: " + request.getPathTranslated() + "<br>");
        out.println("Query String: " + request.getQueryString() + "<br>");
        out.println("Remote User: " + request.getRemoteUser() + "<br>");
        out.println("Session Id: " + request.getRequestedSessionId() + "<br>");
        out.println("Request URI: " + request.getRequestURI() + "<br>");
        out.println("Servlet Path: " + request.getServletPath() + "<br>");
        out.println("Accept: " + request.getHeader("Accept") + "<br>");
        out.println("Host: " + request.getHeader("Host") + "<br>"); 
        out.println("Referer : " + request.getHeader("Referer") + "<br>"); 
        out.println("Accept-Language : " + request.getHeader("Accept-Language") + "<br>"); 
        out.println("Accept-Encoding : " + request.getHeader("Accept-Encoding") + "<br>"); 
        out.println("User-Agent : " + request.getHeader("User-Agent") + "<br>"); 
        out.println("Connection : " + request.getHeader("Connection") + "<br>"); 
        out.println("Cookie : " + request.getHeader("Cookie") + "<br>"); 
        out.println("Created : " + session.getCreationTime() + "<br>"); 
        out.println("LastAccessed : " + session.getLastAccessedTime() + "<br>");
%>

运行结果：

        Protocol: HTTP/1.1
        Scheme: http
        Server Name: 192.168.0.1
        Server Port: 8080
        Protocol: HTTP/1.1
        Server Info: JavaServer Web Dev Kit/1.0 EA (JSP 1.0; Servlet 2.1; Java 1.2; Windows NT 5.0 x86; java.vendor=Sun Microsystems Inc.)
        Remote Addr: 192.168.0.106
        Remote Host: abc
        Character Encoding: null
        Content Length: -1
        Content Type: null
        Auth Type: null
        HTTP Method: GET
        Path Info: null
        Path Trans: null
        Query String: null
        Remote User: null
        Session Id: To1010mC466113890241879At
        Request URI: /c.jsp
        Servlet Path: /c.jsp
        Accept: */*
        Host: 192.168.0.1:8080
        Referer : null
        Accept-Language : zh-cn
        Accept-Encoding : gzip, deflate
        User-Agent : Mozilla/4.0 (compatible; MSIE 5.0; Windows 98; DigExt)
        Connection : Keep-Alive
        Cookie : SESSIONID=To1010mC466113890241879At
        Created : 965764522168
        LastAccessed : 965775587088