Transferred from: http://www.cnblogs.com/JuneWang/p/3917697.htmlIn order to learn more about the TCP/IP protocol, recently read a lot of relevant information, collected and recorded as follows, for later use and convenient for you to learn:IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q:
PS: found a good article on the Internet, carried over, in case you can't find it later. At the same time the individual made a simple change. IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP address, subnet mask, default gat
In order to learn more about the TCP/IP protocol, I have read a lot of relevant information recently and collected the following records for later use and convenience:
What does IP address, subnet mask, default gateway, and DNS server mean?
(1) Problem Analysis
001. Q: What is the difference between
Use the following code to jump to the specified server {code ...} now, if you want to get the IP address of the nginx server on the server to which you want to jump, the commonly used code for getting the nginx server does not see
IP address, subnet mask, default gateway, what does the DNS server mean? IP address, subnet mask, default gateway, what does the DNS server mean?(a) problem analysis001. Q: IP
Failure phenomenon:
1, on the Vnxe, can not use 192.168.2.2 this IP address to create a shared folder server or iSCSI server;
2, the use of 192.168.2.2 this IP address to create a server
I want to use PHP $ _ SERVER [ #039; HTTP_HOST #039;] to retrieve the Domain Name of the current SERVER, but every time it is converted to an IP address? I want to use PHP $ _ SERVER ['HTTP _ host'] to retrieve the Domain Name of the current
SQL statement to query the SQL Server name and IP address, SQL Server
Get Server Name:
SELECT SERVERPROPERTY('MachineName')select @@SERVERNAMEselect HOST_NAME()
To obtain the IP address
Tags: des blog io ar os using SP on dataThe connection failed.Error code: 233Workaround:1, configure firewall allow 1433 port (also can directly shut down the firewall, of course, not recommended)2. Open SQL Server Configuration Manager-network configuration, enable named Pipes and TCP/IP protocol, where the TCP/IP protocol properties are set as follows3. Restart
Suggestion: Read my post, DHCP principles and IP address conflict detection.
1. Summary of DHCP server Conflict Detection
2. the working principle of the DHCP relay agent for forensics conflicts with the IP address because it is not in the same subnet, so gratuitous ARP is
Get Server name:
Select SERVERPROPERTY (' machinename ')
SELECT @ @SERVERNAME
Select HOST_NAME ()
To obtain an IP address, you can use xp_cmdshell to execute the ipconfig command:
However, in many cases, because the security issue is not allowed to use xp_cmdshell, you can query sys.dm_exec_connections:
SELECT SERVERNAME = CONV
In web development, there are often needs, need to know the customer's current location (city), the general principle is this, first: through the Request object to obtain the remote user's IP address, second: third-party free (interface) services, through the IP to find out the user's city,I am good at JSP, the following we have JSP as an example:In the JSP, the
Reprint please explain the source: http://blog.csdn.net/cywosp/article/details/38036537
First, let's take a look at the layer chart of the TCP/IP protocol family that everyone is very familiar with: the role of each layer in the network packet transmission process is not the focus of this article, this article mainly explains how to use IP addresses at the network layer for
How can I obtain the IP address of the request server. php, and then use B. input parameters to. php, how to make. php knows the IP address of B. thank you.
Reply to discussion (solution)
$ _ SERVER ['remote _ ADDR '] obtains th
: This article mainly introduces how to obtain the user IP address on Nginx on the second layer of the two-tier server. if you are interested in the PHP Tutorial, refer to it. How to obtain the user IP address on the second layer Nginx of a two-tier
1. view the Host IP address resolved by the DNS host name
Host CommandPurposeResolve a host name to an Internet address or an Internet address to a host name.SyntaxHost [-n [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address [
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
One server is bound to multiple domain names, and the Web server has only one public IP address. However, many websites with independent domain names run on the server, and multiple independent domain names direct to this public IP
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