Use $ _ SERVER [REMOTE_ADDR] in PHP to obtain the IP address of the client. However, if the client is accessed by a proxy SERVER, the IP address of the proxy SERVER is obtained, instead of the real client
Destination IP address field, if the discovery and the IP address of the same machine, then the MAC address of their own to fill in the message to the destination MAC address field, and send the message back to the source host. S
Sometimes we need to get client-side real IP, such as authentication. in general, the IP method of the client when obtaining HTTP access in Tomcat is as follows: Httpservletrequest.getremotehost () However, often we configure Apache or Nginx proxies, This is the way to get the real client IP through the above method. Through the Nginx agent, through the Httpse
(1). REMOTE_ADDR: The IP address of the user's computer that browses to the current page
(2). Http_x_forwarded_for: The gateway to the user's computer that is browsing the current page
(3). HTTP_CLIENT_IP: IP for Client
Use $_server["REMOTE_ADDR" in PHP to get the IP address
Use Request.ServerVariables ("REMOTE_ADDR") in the ASP to obtain the IP address of the client, but if the client is using a proxy server for access, then the IP address of the proxy server is taken, not the true client
I found many methods on the internet to use Curl to forge the client source IP address, almost all of which use the curl function. later I verified that this function is powerful, not only can the client source IP address be forged, but also
I found many methods on the internet to use Curl to forge the client source
effective way to hide the “netsh.exe command is to save it by name and move it to another location, so that illegal users cannot access it in the DOS environment!Address binding methodIn addition to disabling others from illegally modifying IP addresses by cutting off the "channel" for IP address modification, you can
Use $ _ SERVER [ quot; REMOTE_ADDR quot;] in PHP to obtain the IP address of the client. However, if the client is accessed by a proxy SERVER, the obtained IP address is the proxy server IP
120.22.11.11
If the comment real_ip_recursive on or real_ip_recursive offVisit www.ttlsa.com/getRealip.php, return:121.207.33.33
1
121.207.33.33
Unfortunately, get the ip,real_ip_recursive of the relay to see the effect of it.Set_real_ip_from: IP address or IP segment
Use Request.ServerVariables ("REMOTE_ADDR") in the ASP to obtain the IP address of the client, but if the client is using a proxy server for access, then the IP address of the proxy server is taken, not the true client
Many websites now use cdn technology. It is difficult to obtain the real IP address of their servers during some tests. I don't know what other good methods are available now, the following two types are available:
1: Use the CDN server to find the real IP address cache_peer 1.1.1.1 parent 80 0 no-query originserver ca
I found from the csdn, feeling very useful, I picked up **************At present, the so-called "take Real IP Address" method, there are bugs, do not take into account the situation of multi-layer transparent agent.Most of the code is similar:String IpAddress = (httpcontext.current.request.servervariables["Http_x_forwarded_for"]!=null httpcontext.current.request.servervariables["Http_x_forwarded_for"]!=stri
a router, TCP/IP communication between the two networks is not possible, even if the two network connections on the same switch (or hub), the TCP/IP protocol will determine the subnet mask (255.255.255.0) on the two network hosts in a different network. To achieve communication between the two networks, you must pass through the gateway. If the host in Network a discovers that the destination host for the
$ _ server ["remote_addr"] in PHP to obtain the IP address of the client. However, if the client is accessed by a proxy server, the IP address of the proxy server is obtained, instead of the real client
I found many methods on the internet to use Curl to forge the client source IP address, almost all of which use the curl function. later I verified that this function is powerful, not only can the client source IP address be forged, but also the proxy
Use request. servervariables ("remote_addr") to obtain the IP address of the client, but if the client is accessed by the proxy server, the obtained IP address is the IP address of the
understand. The php manual shows that it is a predetermined variable, while HTTP_x_FORWARDED_FOR finds some information on the Internet.
Use $ _ SERVER ["REMOTE_ADDR"] in PHP to obtain the IP address of the client. However, if the client is accessed by a proxy SERVER, the IP addre
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