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Looked at many times, just to sort out my understanding of the whole communication process, the following, will continue to learn to supplement the correction:When communicating using the TCP/IP protocol family, there are three key identifying information: MAC address, IP address
Recently, due to project requirements, IP Control and MAC address control must be used on the page to beautify the interface. I found a good IP control on the Internet, but unfortunately I did not find the corresponding MAC address
The project requires the MAC address and IP address of the client, but many examples are found on the Internet. However, after testing, the server code is obtained. Later, I saw an article saying, the client's MAC address cannot b
You can use the following code to get the MAC address, depending on your actual needs./*** get MAC address * @param ipAddress127.0.0.1* @return based on IP address * @throws SocketException* @throws unknownhostexception*/publicst
Welcome Reprint! When reproduced, please indicate the source:http://blog.csdn.net/nfer_zhuang/article/details/42609733IntroductionUsage scenarios:I use the Linux server has more than one network card, sometimes need to use the script to specify the IP address of the network card or MAC address, then there are two appro
1. Problem Description
The IP address on the Huawei switch is bound to the MAC address to establish an access control list. Only approved PCs can access the network.
2. Solutions
Create an access control list
> System-view: enters system mode.
] Acl number 6000 create an access control list
] Rule 0 deny
Use JavaScript to obtain the IP address and MAC address of the IE Client
In a B/S system, we often need to obtain some information about the client, such as IP and Mac, for identity authentication. In ASP. net, it is easy to get
The DNS method is simple and practical to obtain the IP address of a server, as follows:
The following is a reference clip:Private void buttonip_click (Object sender, system. eventargs E){System. net. IPaddress [] Addresslist = DNS. gethostbyname (DNS. gethostname (). Addresslist;If (Addresslist. length> 1){Textlip. Text = Addresslist [0]. tostring ();Textsip. Text = Addresslist [1]. tostring ();}Else{Text
First introduce the service and then call the
This paper is reproduced from http://blog.sina.com.cn/s/blog_7eeb43210101hf7f.html
public class Computer {public static string CpuID;//1.cpu serial number public static string MacAddress;//2. Mac serial number public static string DiskID; 3. Hard disk ID public static string ipaddress; 4.ip address public static st
The following small series for everyone to bring an article WinForm C # get the MAC address, IP address, subnet mask, the default gateway instance. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting.
1. Add an assembly
2. Introd
IP Address Verification:/^ (\d|[ 1-9]\D|1\D{2}|2[0-5][0-5]) \. (\d| [1-9]\d|1\d{2}|2[0-5][0-5]) \. (\d| [1-9]\d|1\d{2}|2[0-5][0-5]) \. (\d| [1-9]\d|1\d{2}|2[0-5][0-5]) $/The format is made up of "." Divided by four parts, each part of the range is0-255;Each section of the regular can be divided into several parts to write:200-255;100-199;10-99;0-9;The corresponding regular expression for each part:2[0-5][0-
This article describes how to use php to obtain the IP address, host name, and mac address of all users in the LAN, if you need a php instance, you can refer to the php instance described in this article to obtain the computer IP address
Public class classnetgetmac{Public classnetgetmac (){}
[Dllimport ("iphlpapi. dll")]Private Static extern int sendarp (int32 DEST, int32 host, byte [] Mac, ref int32 length );[Dllimport ("ws2_32.dll")]Private Static extern int32 inet_addr (string IP );
/// /// Obtain the nic mac address based on the
This article describes how to obtain the mac address and IP address of a local machine using python, and describes how to obtain system information using Python, for more information about how to obtain the mac address and
Get the local IP address, Mac, get the corresponding IP through the domain name,Is the more common operation that network programming may encounter, so it is summarized as follows (3 functions are encapsulated),Directly on the code :#include Test RunThe results are as follows:Linux C Network Programming-Get local
For J: = 0 to Networktypelist.count-1 do//Lists all workgroup names in each network typebegin//Lists all workgroup names in a network typeNetresource: = Tnetresource (networktypelist.items[j]^);//Network type informationGets a handle to the file resource for a network type, Netresource for the network type information, and Lphenum as the return name handleRes: = WNetOpenEnum (Resource_globalnet, Resourcetype_disk,Resourceusage_container, @NetResource, lphenum);If Res While true do//lists inform
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