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Port scanner problem

Deoctor

By Deoctor
in PHP Coding Help

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Deoctor Member

Deoctor

Posted
Posted

Hai

recently i developed one app through which u can check the opened and closed ports under an ip address or domain.but there is a small error.

if no port numbers are given then it should scan from 1-100 ports.but it is scanning only first 5 ports..

can anyone help me out..

<html>
<title>Check the Open ports</title>
<pre>                                    <font size=3><b>Hai
                         Using this application u can check the ports that are opened in the ip address
                         
                             Common Ports Used are 
                         
                                FTP    21
                                SSH    22
                                Telnet    23
                                SMTP    25
                                Web    80
                                Pop 3    110
                                IMAP    143
                                Other Applications
                                    Remote Desktop    3389
                                    PC Anywhere    5631</b></font>
</pre>

<body background="image01.jpg" bgproperties="fixed">
<form action="timer.php" method="POST">
<br><br><br>
<table align="center" border="1" bordercolor="black">
<tr>
<td align="left" bgcolor="transparent" valign="center">Ip address:<input type=text style="color: #FF0000;font-family: Verdana;font-weight: bold;font-size: 14px;background-color: transparent;" maxlength='30' name=address></td></tr><tr></tr> 
<tr><td align="left" bgcolor="transparent" valign="center">Port Number:<input type=text style="color: #FF0000;font-family: Verdana;font-weight: bold;font-size: 14px;background-color: transparent;" maxlength='25' name=service></td></tr>
<tr><td align="center" valign="center"><input type=submit name=submit value=Submit></td>
</tr>
</table>
</form>
</body>
</html>
<?php
error_reporting(0); 
$address = $_POST['address']; 
$service = $_POST['service']; 
if($address && $service)
{
    if(fsockopen($address,$service,$errno,$errstr,10)) 
{
      //echo "$address:$service is up!";
    echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is up!</b></font></td></table>");

}
else 
{
     //echo "$address:$service is NOT up!";
     echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is Down!</b></font></td></table>");
}
}
elseif($address)
{
for($service=10;$service<=100;$service++)
{
     $sock_check=fsockopen($address,$service,$errno,$errstr,10);
    if(!$sock_check)
    {
        echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is Down!</b></font></td></table>");
    }
    else
    {
        echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is up!</b></font></td></table>");

    }
}
}
else
{
    
}
?>

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https://forums.phpfreaks.com/topic/185085-port-scanner-problem/
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Buddski Newbie

Buddski

Posted
Posted

My suggestion would be to remove that error_reporting function call..

You wont be able to see the errors if you have that there..

 

Take it out and see if any errors show themselves..

 

I would also suggest to close each connection after you have determined its status..

Link to comment
https://forums.phpfreaks.com/topic/185085-port-scanner-problem/#findComment-976971
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Deoctor Member

Deoctor

Posted
  • Author
Posted

hi

i have done that but of no use, it takes only first 5 ports and leaves the remaining.

<html>
<title>Check the Open ports</title>
<pre>                                    <font size=3><b>Hai
                         Using this application u can check the ports that are opened in the ip address
                         
                             Common Ports Used are 
                         
                                FTP    21
                                SSH    22
                                Telnet    23
                                SMTP    25
                                Web    80
                                Pop 3    110
                                IMAP    143
                                Other Applications
                                    Remote Desktop    3389
                                    PC Anywhere    5631</b></font>
</pre>

<body background="image01.jpg" bgproperties="fixed">
<form action="timer.php" method="POST">
<br><br><br>
<table align="center" border="1" bordercolor="black">
<tr>
<td align="left" bgcolor="transparent" valign="center">Ip address:<input type=text style="color: #FF0000;font-family: Verdana;font-weight: bold;font-size: 14px;background-color: transparent;" maxlength='30' name=address></td></tr><tr></tr> 
<tr><td align="left" bgcolor="transparent" valign="center">Port Number:<input type=text style="color: #FF0000;font-family: Verdana;font-weight: bold;font-size: 14px;background-color: transparent;" maxlength='25' name=service></td></tr>
<tr><td align="center" valign="center"><input type=submit name=submit value=Submit></td>
</tr>
</table>
</form>
</body>
</html>
<?php
//error_reporting(0); 
$address = $_POST['address']; 
$service = $_POST['service']; 
if($address && $service)
{
    if(fsockopen($address,$service,$errno,$errstr,10)) 
{
      //echo "$address:$service is up!";
    echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is up!</b></font></td></table>");

}
else 
{
     //echo "$address:$service is NOT up!";
     echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is Down!</b></font></td></table>");
}
}
elseif($address)
{
for($service=10;$service<=100;$service++)
{
     $sock_check=fsockopen($address,$service,$errno,$errstr,10);
    if(!$sock_check)
    {
        echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is Down!</b></font></td></table>");
    }
    else
    {
        echo ("<table><td bgcolor=yellow width=100% align='center'><font face=Verdana, Arial, Helvetica, sans-serif size=2><b>$address:$service is up!</b></font></td></table>");

    }
    fclose($sock_check);
}
}
else
{
    
}
?>

Link to comment
https://forums.phpfreaks.com/topic/185085-port-scanner-problem/#findComment-976991
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