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get users IP address showing ::1

Posted on 2016-09-28
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Last Modified: 2016-09-28
I am trying to echo a users IP address. If I use :

echo $_SERVER['REMOTE_ADDR'];

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it outputs ::1 for some reason?
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Question by:Black Sulfur
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8 Comments
 
LVL 27

Assisted Solution

by:☠MAS☠
☠MAS☠ earned 100 total points
ID: 41819855
Hi,
::1 is the loopback address in IPv6
127.0.0.1 is the loopback address in IPv4
Please check this for details
http://stackoverflow.com/questions/4611418/what-is-ip-address-1
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LVL 1

Author Comment

by:Black Sulfur
ID: 41819866
Okay. Let me elaborate. I want to store user's IP addresses in a database every time they try login and the login fails because either the email address or password was incorrect. I was expecting something like 127.0.0.1 etc. but I don't know that ::1 is going to help as it would be nice to then see what country the ip address is coming from.
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LVL 23

Accepted Solution

by:
Ferruccio Accalai earned 400 total points
ID: 41819889
To get IP's even if behind such a Proxy or other matters you can try using one of the following functions
function get_client_ip_env() {
    $ipaddress = '';
    if (getenv('HTTP_CLIENT_IP'))
        $ipaddress = getenv('HTTP_CLIENT_IP');
    else if(getenv('HTTP_X_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_X_FORWARDED_FOR');
    else if(getenv('HTTP_X_FORWARDED'))
        $ipaddress = getenv('HTTP_X_FORWARDED');
    else if(getenv('HTTP_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_FORWARDED_FOR');
    else if(getenv('HTTP_FORWARDED'))
        $ipaddress = getenv('HTTP_FORWARDED');
    else if(getenv('REMOTE_ADDR'))
        $ipaddress = getenv('REMOTE_ADDR');
    else
        $ipaddress = 'UNKNOWN';
 
    return $ipaddress;
}

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or
function get_client_ip_server() {
    $ipaddress = '';
    if ($_SERVER['HTTP_CLIENT_IP'])
        $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
    else if($_SERVER['HTTP_X_FORWARDED_FOR'])
        $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if($_SERVER['HTTP_X_FORWARDED'])
        $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
    else if($_SERVER['HTTP_FORWARDED_FOR'])
        $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
    else if($_SERVER['HTTP_FORWARDED'])
        $ipaddress = $_SERVER['HTTP_FORWARDED'];
    else if($_SERVER['REMOTE_ADDR'])
        $ipaddress = $_SERVER['REMOTE_ADDR'];
    else
        $ipaddress = 'UNKNOWN';
 
    return $ipaddress;
}

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LVL 1

Author Comment

by:Black Sulfur
ID: 41819913
Your second example gives me undefined index errors and the first one still gives me ::1

Just to make sure I am using it correctly, I am just echoing the function name i.e.:

echo get_client_ip_env();

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0
 
LVL 1

Author Comment

by:Black Sulfur
ID: 41819918
Not sure if it makes a difference, but I am using mamp on my local machine for this, not actually on a live server.
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LVL 23

Expert Comment

by:Ferruccio Accalai
ID: 41819937
Yes you're using it correctly.
Anyway, as MAS already said, that's the IPV6 localhost IP.
I guess you're testing some script on your local system and if so, that's why you got that IP.
I don't believe you could check the country for 127.0.0.1. I guess you'd obtain a place somewhere in the world called Localhost ;-)
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LVL 1

Author Comment

by:Black Sulfur
ID: 41819951
Okay, so this will only work on a live server?
0
 
LVL 23

Expert Comment

by:Ferruccio Accalai
ID: 41819965
You could use a free dns service that points to your router and navigate to your local site using the dns given address.
For example I use free dyndns.org for this purpose
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