// index.php
<php?

session_start();
$ip1 = $_SERVER['REMOTE_ADDR'];
$pagina = $_SERVER['REQUEST_URI'];
$datum = date("d-m-y / H:i:s");
$invoegen = $datum . " - " . $ip . " - " . $pagina . "<br />";
$_SESSION['data'] = $invoegen;

?>

//////////////////////////////////////////////////////////////

//ips.php
<?php
$username = "someuser";
$password = "somepassword";

if ($_POST['txtUsername'] != $username || $_POST['txtPassword'] != $password) {

?>

<h1>Login</h1>

<form name="form" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
    <p><label for="txtUsername">Username:</label>
    <br /><input type="text" title="Enter your Username" name="txtUsername" /></p>
    <p><label for="txtpassword">Password:</label>
    <br /><input type="password" title="Enter your password" name="txtPassword" /></p>
    <p><input type="submit" name="Submit" value="Login" /></p>
</form>
<?php
}
else {
?>

<?php
    echo $_SESSION['data'];
?>

<?php
}
?>