JSP: Login Authentication

Hi All,
I am trying with my below JSP code to validate the username and password which enter from my page by verifying with the username and password in Microsoft Access database.
I never get any error alert with that code, but i also get blank on my page instead.
The code are below:
<html>
<head>
<title>Welcome to the online Auction...</title></head>
<body>
<%@ page language ="java" import = "java.io.*" import = "java.lang.*" import = "java.sql.*" %>
<% try
     String strUsername = request.getParameter("username");
     String strPassword = request.getParameter("password");
     Class.forName ("sun.jdbc.odbc.JdbcOdbcDriver");
     Connection myConn = DriverManager.getConnection("jdbc:odbc:Driver={MicroSoft Access Driver (*.mdb)};DBQ=C:/Auction/Auction.mdb");
     Statement myStatement = myConn.createStatement ();
     String strSQL = "SELECT [UserName], [Password] FROM tblUserDetails";
     ResultSet myResult = myStatement.executeQuery(strSQL);
     String strUser = myResult.getString("UserName");
     String strPass = myResult.getString("Password");
     while(myResult.next())
     if(strUsername.equals(strUser) && strPassword.equals(strPass))
                    out.println("Login Successful!");
                else
                    out.println("Login Fail!");
     myConn.close();
     catch(Exception e){}
%>
</body>
</html>Could you please advise what is the problems?
Kimsan

Also make sure that your database actually contains any users. Otherwise your little "while(result.next())" loop will never run.
In fact, the way you have written the code is not too smart. Your SQL selects all users and iterates them. As the number of users grow, the time to iterate all the users increase. Instead your SQL should just see if there is a record with the given user name and password. The code would be better like this:
<% try
String strUsername = request.getParameter("username");
String strPassword = request.getParameter("password");
Class.forName ("sun.jdbc.odbc.JdbcOdbcDriver");
Connection myConn = DriverManager.getConnection("jdbc:odbc:Driver={MicroSoft Access Driver (*.mdb)};DBQ=C:/Auction/Auction.mdb");
String strSQL = "SELECT [UserName], [Password] FROM
tblUserDetails where [UserName] = ? and [Password] = ?";
PreparedStatement statment = myConn.prepareStatement(strSQL);
statement.setString(1, strUserName);
statement.setString(2, strPassword);
ResultSet myResult = statementexecuteQuery(strSQL);
if(myResult.next()){
out.println("Login Succesful! A record with the given user name and password exists");
} else {
out.println("Login Failed. No records exists with the given user name and password");
result.close();
statement.close();
myConn.close();
} catch(Exception e){
out.println(e);
%>

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Servlet Jsp Login Problen

Consider 4 pages
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1     User clicks on update link on default page
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Please reply soon

Thanx Sir!
But i want to have a more generic solution
like using <jsp:fordward> & <jsp:param> etc
but i want it so generic that it can be done in ASP/ JSP
preferably without using queryString
And the main point is this problen
request.setAttribute() is not working
I am uploading the code
CODE:
default.jsp     Update
update.jsp     String user = (String) session.getAttribute("user");
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               String look_for = request.getRequestURI();
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               response.sendRedirect("/login.jsp");
login.jsp     String req = null;
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          //out.print(req); --> Error Printing null
          request.setAttribute("req", req);
          <form----
          >
          response.sendRidirect("/servlet/check");
check
     String user = null;
String look_for = (String)request.getAttribute("req");
if(look_for == null)     {
          request.setAttribute("req", look_for);
     response.sendRedirect(request.getHeader("HTTP_REFERER"));
if(user != "Hemant") {
request.setAttribute("req",look_for);
response.sendRedirect("/login.jsp");
HttpSession session = request.getSession();
session.setAttribute("user","Hemant");
response.sendRedirect(look_for);
out.close();

How to set up local server to use a remote server for login authentication?

Thank you in advance for any help you can offer.
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I'm trying to connect through the FTP client Filezilla. When I try to login with the wizard, it gives me a "503 Failure of Data Connection" reply; when I attempt to login myself, it gives me a "530 Login Authentication Failed." HELP!!!

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When I attempt to use the Filezilla connection wizard I get the following message:
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HELP!!

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Hi ....
I am working on JSP for oracle applications. In the login page, when the username and password is entered and 'Submit' button is pressed, the page is validated.
However after typing username and password and 'Enter" button in keyboard is hit, no action takes place. How can I modify to have page processed for 'Enter" key.
This is urgent.

Hi ,
I have attched the code. Also the link for the page is:
http://angelic.itconvergence.net:8001/OA_HTML/ibeCAcdLogin.jsp?a=b
This page is developed by Oracle and I am working on customizations.
Thannks for your help in advance.
<%@ include file="jtfincl.jsp" %>


<%--=========================================================================
|      Copyright (c)2000 Oracle Corporation, Redwood Shores, CA
|                         All rights reserved.
+===========================================================================
|
| FILE
|   ibeCAcdLogin.jsp - User Login Page
|
| DESCRIPTION
|   Sign On Page
|
| HISTORY
|   11/11/2002 madesai IBE.O UI changes
|   12/13/2002 madesai error msg appears after the title, prompts added with colon
|   12/27/2002 adwu    Removed Javascript event for 2726995
+=======================================================================--%>
<%
final String J = "ibeCAcdLogin.jsp";
pageContext.setAttribute("_signInPage", "true", PageContext.REQUEST_SCOPE); %>
<%@ include file="ibeCZzpHeader.jsp" %>
<%
String username = IBEUtil.nonNull(request.getParameter("username"));
if (username.equals("") && RequestCtx.userIsLoggedIn())
username = RequestCtx.getUserName();
//madesai - added errorMessage pageContext for IBE.O
//Share Cart feature
String errorMessage = null;
errorMessage = IBEUtil.nonNull((String)pageContext.getAttribute("errorMessage",PageContext.REQUEST_SCOPE));
if (errorMessage.equals(null)|| (errorMessage.equals("")))
if (pageContext.getAttribute("invalid", pc) != null) {
IBEUtil.log("ibeCAcdLogin.jsp", "Login fails");
errorMessage = mm.getMessage("IBE_PRMT_INVALID_PASSWORD_G");
String ref = IBEUtil.nonNull(request.getParameter("ref"));
pageContext.setAttribute("_pageTitle", mm.getMessage("IBE_PRMT_SIGN_IN_G"), pc);
pageContext.setAttribute("selectedTab", "signin", pc);
                                                                             %>
<%@ include file="ibeCZzdTop.jsp" %>
<%@ include file="ibeCZzdMenu.jsp" %>
<SCRIPT LANGUAGE="JavaScript" SRC="ibeCButton.js"></script>
<TABLE border="0" cellspacing="0" cellpadding="0" width="100%">
<TR>
<TD valign="top" width="15%"><BR clear="all">
</TD>
<TD valign="top" width="70%">
<table width="100%" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td class=pageTitle ><%= mm.getMessage("IBE_PRMT_SIGN_IN_G") %></td>
</tr>
   <tr>
<td class=OraBGAccentDark><img src="/OA_MEDIA/jtfutrpx.gif" height="1" width="1"></td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<% if (errorMessage != null) { %>
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<table width="100%" border="0" cellspacing="0" cellpadding="2">
<FORM name = "mainForm" method="post" action="<%= DisplayManager.getTemplate("STORE_CUST_ACC_LOGIN_AUTH").getFileName() %>">
<input type ="hidden" name="event" value="">
<tr>
<td colspan="2">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
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    </tr>
    <tr>
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    </tr>
</table>
</td>
</tr>
<tr>
<td nowrap ><img src=../OA_MEDIA/jtfutrpx.gif height="5" width="1"></td>
<td nowrap class="sectionHeaderBlack"><img src="/OA_MEDIA/jtfutrpx.gif" height="5" width="1"></td>
</tr>
<tr>
<td nowrap class="requiredFieldPrompt" align="right" width="30%"><%= mm.getMessage("IBE_PRMT_USERNAME_COL") %></td>
<td nowrap width="70%">
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</td>
</tr>
<tr>
<td nowrap class="requiredFieldPrompt" align="right"><%= mm.getMessage("IBE_PRMT_PWD_COL") %></td>
<td nowrap >
<input type="password" name="password" size="20">
</td>
</tr>
<%
    out.println(RequestCtx.getSessionInfoAsHiddenParam());
    if (! "".equals(ref))
       out.println("<INPUT TYPE=HIDDEN NAME=ref VALUE=\"" + ref + "\">");
    %>
<tr>
<td align="right"> </td>
<td nowrap >
              <script language="JavaScript">
              buttonGen("<%=mm.getMessage("IBE","IBE_PRMT_SIGN_IN_G" )%>", "javascript:submitForm('', 'mainForm')");
      </script>
      </td>
</tr>
</FORM>
<tr><td></td><td class=footnote>
<%
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      String custMsgKey = "IBE_PRMT_LOGIN_CSTM_MSG1";
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    }//end else
%>
</td></tr>
   <%
    boolean isMaintenanceMode = IBEUtil.isMaintenanceMode();
    if (! isMaintenanceMode) {
      String htmlPage = RequestCtx.getURL(
        DisplayManager.getTemplate("STORE_CUST_ACC_PWD_RESET").getFileName());
%>
<tr>
<td   align="right"> </td>
<td class="promptSmall"> <a href="<%= htmlPage %>"><%= mm.getMessage("IBE_PWD_FORGET") %>
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</tr>
<%
%>
          

   <%
    if (! isMaintenanceMode) {
   %>
<tr>
<td colspan="2">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
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    </tr>
    <tr>
    <td class=OraBGAccentDark><img src=../OA_MEDIA/jtfutrpx.gif height="1" width="1"></td>
    </tr>
</table> </td>
</tr>
<%
if (IBEUtil.useFeature("IBE_USE_B2B_FEATURES")) {
    String url = null;
    if ("".equals(ref))
      url = DisplayManager.getURL("STORE_CUST_BUSINESS_REGISTRATION");
    else
      url = DisplayManager.getURL("STORE_CUST_BUSINESS_REGISTRATION",
                                "ref=" +
                                oracle.apps.jtf.util.Utils.encode(ref));
%>
<tr>
<td nowrap > </td>
<td nowrap class="sectionHeaderBlack"><a href="<%=url%>"><b><%= mm.getMessage("IBE_PRMT_BIZ_ORG") %></a></td>
</tr>
<tr>
<td nowrap > </td>
<td nowrap class="prompt"><%= mm.getMessage("IBE_PRMT_BIZ_REG_MSG") %></td>
</tr>
<tr>
<td nowrap ><img src=../OA_MEDIA/jtfutrpx.gif height="5" width="1"></td>
<td nowrap class="sectionHeaderBlack"><img src="/OA_MEDIA/jtfutrpx.gif" height="5" width="1"></td>
</tr>
<%
if (IBEUtil.useFeature("IBE_USE_B2C_FEATURES")) {
    String url = null;
    if ("".equals(ref))
      url = DisplayManager.getURL("STORE_CUST_SIGNIN");
    else
      url = DisplayManager.getURL("STORE_CUST_SIGNIN",
                                "ref=" +
                                oracle.apps.jtf.util.Utils.encode(ref));
%>
<tr>
<td nowrap > </td>
<td nowrap class="sectionHeaderBlack"><a href="<%=url%>"><b><%= mm.getMessage("IBE_PRMT_IND_CON") %>
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</tr>
<tr>
<td nowrap class="prompt" > </td>
<td nowrap class="prompt"><%= mm.getMessage("IBE_PRMT_IND_REG_MSG") %></td>
</tr>
<%
} // isMaintenanceMode
%>
</table>
<table align="center" cellspacing=0 cellpadding=0 width="100%" border=0>
<tr>
<td><img height=14 src="../OA_MEDIA/jtfutrpx.gif" width=1></td>
<td rowspan=2><img height=15 src="/OA_MEDIA/jtfuski.gif" width=12
      align=bottom></td>
</tr>
<tr>
<td class=OraBGAccentDark width="100%"><img height=1
      src="/OA_MEDIA/jtfutrpx.gif" width=1></td>
</tr>
</table>
    </TD>
    <TD valign="top" width="15%"> <BR>
    </TD>
</TR>
</TABLE>

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I have tried to understand your problem, but it's a bit confusing.
You have defined:
line con 0
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According to command reference for 15.3: http://www.cisco.com/en/US/partner/docs/ios-xml/ios/security/d1/sec-cr-k1.html#GUID-297BDF33-4841-441C-83F3-4DA51C3C7284
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(you put only default list-name from your configuration).
If you want to use line defined password you could do:
aaa authentication login line-list line
line con 0
password cisco
login authentication line-list
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If you use list with "tacacs" and then "local" methods - then only when tacacs server is not responsive local username will be queried. But if tacacs server return "authentication failure/bad password" your access will be denied and "local" username will not be checked. This is a bit different then in linux/juniper configuration which will query next authentication method in case of password failure of previous method.
Please also remember that default AAA list is always overriden by specific list configured under line con 0.
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Popup Portal Login / Authentication

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Jsp Login Form

Hi All,
I am new to JSP. Please send me a JSP Login Form Validatio with DB.
Regards,
Gokul.

Validation.jsp whats the error in that
<%@ page language="java" import="java.sql.*,java.io.*,java.lang.*,java.util.*,com.login.users.*" %>
<jsp:useBean id="user" class="com.login.users.Users" />
<%@ page contentType="text/html;charset=windows-1252"%>
<html>
<head>
<% Connection cc = user.connect();
String username = request.getParameter("j_username");
String password = request.getParameter("j_password");
ResultSet rs = user.validateUser(cc);
%>
</head>
<body>
<%
while(rs.next()){
String u1 = rs.getString("name");
String p1 = rs.getString("Password");
if (u1.equals(username) && (p1.equals(password))){
break;
%>
<jsp:forward page="err.html" />
<%}
out.println("You Are a Valid User");
user.disconnect();
%>
</body>
</html>
my mail id is [email protected]

AAA login authentication methods

Hello guys,
I've noticed a strange behaviour with AAA authentication login.
My AAA configuration for login authentication is: aaa authentication login default group tacacs+ local
No tacacs server exists, but username and password in local database does. Indeed everything works fine when I log in: aaa authentication login default group tacacs+ local line none
The problem comes up when I add to the method list line and none authentication methods.
In this case, when I log into the switch (via console for example), and I'm asked for username, there is no validation of the username, I mean to say, I can put whatever username and been granted access.
Conclusion: According to my aaa authentication list, method line or none should not be used unless tacacs and local are not available. In this case, local method is available and should fail so login should be rejected, but it jumps to the next method, finally giving access.
Is this a bug in AAA? or am I misunderstanding something.
Thanks a lot.

Only exec-timeout command, so it applies the default list defined by aaa.
When I remove the none, authentication fails. I've debugged AAA authentication and shows:
User Access Verification
Username:
Jul 5 18:16:48.329 METDST: AAA/BIND(00000035): Bind i/f
Jul 5 18:16:49.493 METDST: AAA/AUTHEN/LOGIN (00000035): Pick method list 'default' adsf
Jul 5 18:16:56.382 METDST: AAA/AUTHEN/LINE(00000035): FAIL - Line password not found
% Authentication failed
Username:
Local authentication method is being bypassed.
If I configure a password under line con 0, I've access regardless of the username, so no local authentication is being enforced as well.
Thanks.

JSP Login Page is slow in 11.5.10.2

Hi,
JSP Login Page is slow in 11.5.10.2 . But If we login through form login (dev60cgi/f60cgi).
Forms are working fine, No issue from the DB Side.
We have bounce the Apache and clear the cache as well , but no luck.
Pls give us some pointer on this.
Regards,

Hi,
It is a clone Instance..Did you review the log files?
I have one doubt.. If we have lacs record in WF_NOTIFICATION..will the performace get impact bcz of this.It may have an impact on the performance, but I believe it should not affect the main login page.
Regards,
Hussein

Login authentication using jbuilder 7 personal

can anyone show a sample application of login authentication using jdbc and interface jbuilder 7 personal.A program which authenticates data against entry in database and corresponding error/success messages.
Thanks.

Hi: just to add on....
I'm using j_security_check to authenticate my system login and I'm facing a problem with the redirection after verifying the user credentials.
When the user enters a valid userid and correct password, the system hangs at j_security_check. The displayed URL is something like "/cst/LoginMainServlet/j_security_check". It fails to authenticate and re-direct to the AuthError.html page as defined as error page in the web.xml
May I know where the problem does lays and how I can resolve this?

What is the difference between Login authentication using AAA and Login Local

Hello,
I am currently studying my CCNA and I am curious as to what is the difference between configuring the below 2 options, which seem to achieve the same outcome to me.
1).
Router(config)#username user1 password pass1
Router(config)#line vty 0 15
Router(config-line)login local
Or
2).
Router(config)#username user1 password pass1
Router(config)#aaa new-model
Router(config)#aaa authentication login LOCAL_AUTH local
Router(config)#line vty 0 15
Router(config-line)#login authentication LOCAL_AUTH
Thanks for your replies

When only looking at the authentication as you have configured it, you are right. Both do the same thing. But when you activate aaa new-model, you have plenty more options to control how your complete AAA is working. Most important, you can send the authentication to an external Authentication-server with RADIUS or TACACS+ or you can do Authorization where the external server controls what you are allowed to do after you have authenticated.
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JSP: Login Authentication

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