PHP - Php Scripting

Hi I need to test for XSS attack and aim is to break my own site.

I am using strip_tags to strip all the HTML and tags.

Is there any way for successful XSS  attack even if strip_tags is used.

This is my first attemp at a log in system for a website.  Everything seems to work fine until the "successful" IF function near the end.  All I get it an output of "?>" instead of a redirect to the file "login_success.php".  Any help would be GREATLY appreciated!!  Tom


<?php

// Connect to server and select databse.
mysql_connect("localhost", "scripts3_public", "sfj123!")or die("cannot connect");
mysql_select_db("scripts3_sfj")or die("cannot select DB");

// username and password sent from form
$fusername=$_POST['fusername'];
$fpassword=$_POST['fpassword'];

// To protect MySQL injection (more detail about MySQL injection)
$fusername = stripslashes($fusername);
$fpassword = stripslashes($fpassword);
$fusername = mysql_real_escape_string($fusername);
$fpassword = mysql_real_escape_string($fpassword);

$sql="SELECT * FROM `users` WHERE `User name` = '$fusername' AND `Password` = '$fpassword'";
$result=mysql_query($sql);

if(!mysql_num_rows($result))
{echo "No results returned.";}

// Mysql_num_row is counting table row
$count=mysql_num_rows($result);

// If result matched $fusername and $fpassword, table row must be 1 row

if($count==1){

// Register $fusername, $fpassword and redirect to file "login_success.php"
session_register("fusername");
session_register("fpassword");
header("location:login_success.php");
}

else {
echo "Wrong Username or Password";
}

?>

Hello,   I designed (not coded) a finance application for windows phone 8.1 and one of the features that would be ideal is to copy your login steps in order to access your bank account automatically. Yes this does not sound safe or sane. How do I convince app users to use it?    Anyway, I want this access. My rationale is that, the login information would be stored locally and if my phone was hacked then what's the loss in my login steps being hacked... they would probably be encrypted anyway but...    The goal is to be able to open up a clone browser (eg. within the app) and then every step that you take, enter url, login credentials, security questions, pages accessed... the clone browser remembers and then later on as part of the app's function, it would automatically update your balances. I mean I suppose you could come up with the formulas, cash advance fees, interest rates, etc... but at the same time this doesn't seem to be a fixed thing... eg. hard to keep track and get the exact cent amount... or maybe I'm just bad at math   Some things in mind bitmapping, key strokes, string search, number search...    Anyway scripting came to mind, not sure if php or python but    Any thoughts? 

I have a web portal which is scripted using client side scripting language i.e HTML. I want to create a login page in .php and want the other pages to be in .hmtl.
Can i do so?
I want to do this because i want the login password to be stored in a database. Also I want the password to get encrypted (by either MD5 javascript or OpenSSL ) when user enters it inside the login form.

I cannot create the entire portal in php because my portal makes use of C code. And php doesn't have an interface with C language.

Can a user get directed to a .html page after a secure login from login.php page ?
My main aim is to secure the access to my web portal using a password.

I tried to authenticate the login using javascript where the password was stored in an array. But i feel any one having moderate knowledge can easily break that password.

Any help would be greatly appreciated!!