Hoja1.html
<div align="center">
<center>
<table cellSpacing="0" cellPadding="0" width="302" bordercolor="black" border="1" height="7">
<tr>
<td width="302" bgColor="#FFFFFF" height="1">
<p align="center"><b><font face="Verdana" size="2">User Y
Paswword</font></b></td>
</tr>
</center>
<tr>
<td vAlign="top" width="302" bgColor="#FFFFFF" height="1">
<form method="post" action="Hoja2.php">
<table width="301" border="1" bordercolor="#666666">
<tr><td width="96">
<p align="right"><font color="black" face="verdana" size="2">Login:</font></p>
</td>
<td width="195">
<input type="text" name="user" size="10"></td></tr>
<tr><td width="96">
<p align="right"><font color="black" face="verdana" size="2">Password:</font></p>
</td><td width="195">
<input type="password" name="pass" size="10"></td></tr>
<center>
<tr><td width="96"><font face="Verdana" size=2 color="black"> </font></td><td width="195"><font face="" size=+0>
<input type="submit" value="Entrar"></td></tr>
</table>
</form>
</td>
</tr>
</table>
</center>
</div>
-------------
Hoja2.php
<?php
$fich = file("Pasword.txt");
$i=0; $validado=false;
while ($fich[$i] && !$validado) {
$campo = explode("|",$fich[$i]);
if (($user==$campo[0]) && ($pass==chop($campo[1]))) $validado=true;
$i++;
}
if (!$validado) {
header("Location: webadondellevasinoseloggeabien.html");
exit;
}
?>
<head><body>
Aqui elcontenido de tu web
-----------
Pasword.txt
usuario1|clave1
usuario3|clave2
Autor