server remote addr

How to obtain the real IP address of the client using php Function getIp (){ If (getenv ("HTTP_CLIENT_IP") & strcasecmp (getenv ("HTTP_CLIENT_IP"), "unknown ")) $ Ip = getenv ("HTTP_CLIENT_IP "); Else

Obtaining the Client IP address is not a simple task. Because of IP Spoofing and proxy problems, obtaining the Client IP address authenticity will be compromised and cannot be accurate. however, we try to find a perfect method to obtain the real IP

Disable a single IP Address // Add IP address access restrictions If (getenv ('HTTP _ CLIENT_IP ') & strcasecmp (getenv ('HTTP _ CLIENT_IP'), 'unknown ')){ $ Userip = getenv ('HTTP _ CLIENT_IP '); } Elseif (getenv ('HTTP _ X_FORWARDED_FOR ') &

Someone asked me on the internet how to disable ip access in php. through tests, I found that the following code is good and the principle is relatively simple. // Add IP address access restrictions If (getenv ('http _ CLIENT_IP ') & strcasecmp

Analysis of several PHP client IP addresses: no proxy server is used, transparent proxy server is used, normal anonymous proxy server is used, fraudulent proxy server is used, and high anonymous proxy server is used. In this article, we will

Php code for restricting access from a single IP address and ip address segment I will share two pieces of php code that limits IP address access. There are two examples of code: restrict access from a single IP address and restrict access

Disable a single IP Address// Add IP address access restrictionsIf (getenv ('HTTP _ CLIENT_IP ') & strcasecmp (getenv ('HTTP _ CLIENT_IP'), 'unknown ')){$ Userip = getenv ('HTTP _ CLIENT_IP ');} Elseif (getenv ('HTTP _ X_FORWARDED_FOR ') &

Someone asked me on the internet how to disable ip access in php. through tests, I found that the following code is good and the principle is relatively simple. // Add IP address access restrictions If (getenv ('http _ CLIENT_IP ') & strcasecmp

Asp function code:Copy codeThe Code is as follows:Function checkip (checkstring) 'uses regular expressions to determine whether the IP address is valid.Dim re1Set re1 = new RegExpRe1.pattern = "^ [0-9] {1, 3 }. [0-9] {1, 3 }. [0-9] {1, 3 }. [0-9] {1,

Asp function code: Copy codeThe Code is as follows: function checkip (checkstring) 'uses regular expressions to determine whether the IP address is valid. Dim re1 Set re1 = new RegExp Re1.pattern = "^ [0-9] {1, 3 }. [0-9] {1, 3 }. [0-9] {1, 3 }. [0-9

Implemented the function code for CDN to obtain the real IP address of the user (PHP and Asp settings ). Asp function code: The copy code is as follows: functioncheckip (checkstring) uses regular expressions to determine whether the IP address is

Asp obtains the code of the real IP address, and obtains the asp function code normally if there is no proxy, first-level or multi-level proxy in the environment test: The code is as follows: Function checkip (checkstring) 'uses regular

The simplest way to get the client IP address is to directly use REMOTE_ADDR, but this kind of IP address cannot be obtained if there is a proxy IP address, so we need to use HTTP_X_FORWARDED_FOR to obtain it, next, I will introduce you to a

It mainly determines whether the client uses a proxy. Pay attention to the judgment order and first determine whether the client uses the proxy http_x_forwarded_for. Function get_onlineip (){ $ Onlineip = '';If (getenv ('HTTP _ client_ip ') &

1 2 // Example use of getenv () 3 $ ip = getenv ('remote _ ADDR '); 4 // Or simply use a Superglobal ($ _ SERVER or $ _ ENV) 5 $ ip = $ _ SERVER ['remote _ ADDR ']; 6?> This is the method provided by manual, the official PHP website. However, when

Php function to obtain the online ip address and client ip address /** * Obtain the client ip address * @ Return [string] [description] */ Function getclientip (){ $ Ip = null; If

1 & lt ;? Php2 // Exampleuseofgetenv () 3 $ ipgetenv (& amp; #39; REMOTE_ADDR & amp; #39;); 4 // OrsimplyuseaSuperglobal ($ _ SERVERor $ _ ENV) 5 $ ip $ _ SERVER [& amp; #39; 1 2 // Example use of getenv () 3 $ ip = getenv ('remote _ ADDR '); 4 //

PHP obtains the client IP address. 1? Php2Exampleuseofgetenv () 3 $ ipgetenv (REMOTE_ADDR); 4 OrsimplyuseaSuperglobal ($ _ SERVERor $ _ ENV) 5 $ ip $ _ SERVER [REMOTE_ADDR]; 6? This is in the official PHP manual mention 1 2 // Example use of getenv

Display visitor source issues Function getIp (){ $ Onlineip = ''; If (getenv ('http _ CLIENT_IP ') & strcasecmp (getenv ('http _ CLIENT_IP'), 'Unknown ')){ $ Onlineip = getenv ('http _ CLIENT_IP '); } Elseif (getenv ('http _ X_FORWARDED_FOR ') &

Cause: My colleague's friend's sister wants to participate in any voting activity and wants me to help brush the ticket. I agreed with my research attitude. I would like to share with you the ideas on ticket swiping. Thoughts: First, websites