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PHP Get visitors Real IP address in my time we need to get the user's real IP address, for example, log records, geo-location, user information, website data analysis, in fact, get the
Recently assisted a project to solve the problem of acquiring an IP address, the mobile client communicates with WebService, and then webservice the instruction to another PC via TCP communication. In the process of testing, there will always be WebService server and PC communication failure problem, but the use of TCP Debugging Tools for communication debugging the two machines can communicate, after debug
In a project if you want to get the IP address of the system then maybe many students are thinking how easy it is, but if it seems to be less simple in a variety of operating systems, let's look at how to get the IP address of the
Linux run Live55 display: No get Ip:ip is 0.0.0.0live555 If you do not know the local IP address and the network interface, through a local port to establish a UDP connection, and then the UDP connection to joinTo a multicast group, of course, the multicast group to set the corresponding settings, such as TTL, Loopback, and so on, and then send a data through a U
on the client that is associated with the connection.
Local_net_address
varchar (40)
Displays the IP address of the destination server for this connection. Available only for connections that use the TCP transport provider.
Local_tcp_port
Int
If this connection uses a TCP transport, the TCP port of the destination server for that connection is displayed.
Analysis processThis comes from a number of projects that capture User IP and conduct user action records that are common and often used. General friends, you will see the following universal Get IP address method.
Copy Code code as follows:
function GetIP () {
if (Isset ($_server[' http_x_forwarded_
Get an IP address function through complex judgments and counts
Copy CodeThe code is as follows:
function GetIP () {
if (getenv (' http_client_ip ')) {
$ip = getenv (' http_client_ip ');
}
ElseIf (getenv (' http_x_forwarded_for ')) {
$ip = getenv (' http_x_forwarded_for ');
php Get visitor IP address Rollup
In my time we need to get the user's real IP address, for example, logging, geographic positioning, the user information, site data analysis, and so on, actually
:0:0:0:0:1") ? " 127.0.0.1 "NBSP;:NBSP;IP;NBSP;NBSP;NBSP;NBSP;}When the server and the host are the same machine, the obtained address is 0:0:0:0:0:0:0:1,0:0:0:0:0:0:0:1 is the representation of IPv6, corresponding to IPv4 equivalent to 127.0.0.1. Many of the arguments are that the #::1 localhost (IPv6) in the Hosts file (C:\Windows\System32\drivers\etc folder) is commented out and can
connection.Num_writes int the number of write packets that have occurred in this connection.Last_read datetime The timestamp of the last read operation in this connection.Last_write datetime The timestamp of the last write operation in this connection.net_packet_size int the size of the network packet used for information and data.client_net_address varchar (40) The host address of the client to which this server is connected.Client_tcp_port the port
Three
String strhostname = System.Net.Dns.GetHostName ();
String clientipaddress = System.Net.Dns.GetHostAddresses (strhostname). GetValue (0). ToString ();
Method IV (ignoring the agent)
httpcontext.current.request.servervariables["Http_x_forwarded_for"];
Client:
Method Five
var ip = ' Alert ("Your IP address is" +IP
1 Importjavax.servlet.http.HttpServletRequest; 2 3 /** 4 * Custom Access Object tool class5 * 6 * Get information such as IP address of object7 * @authorX-rapido8 * 9 */ Ten Public classCusaccessobjectutil { One A /** - * Obtain the user real IP address, do
"Lnmp a key installation package" needs to obtain IP address, there are 2 kinds of cases: if the server only private network address does not have public network address , this time to obtain the IP (that is, private network address
struct hostent, or an empty (NULL) pointer when successful. (However, unlike before, the Errno,h_errno setting error message is not set.) Take a look at the following Herror (). ) but how to use it?This function is not as difficult to use as it seems. Here is an example: #include#include#include#include#include#includeinch.h>intMainintargcChar*argv[]) {structHostent *h;if(ARGC! =2) {/*Check the command line*/fprintf (stderr,"Usage:getip address\n");
Php obtains the code of the region based on the ip address. Use php to obtain the ip address of the local machine, and use the php curl function to obtain the detailed region of the user. next let's take a look at the code. the code is as follows ** This function is used to get
Usually we get the IP from the following code:
REMOTE_ADDR Description: access the IP address of the client .
This information cannot be modified by the user. If you really change, you can not connect with the server, the server is to follow this to establish a connection with the client and c
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