Recently, I need to use php to write a simulation program. this program needs to constantly change the public IP address and modify the mac address of the local machine. After a period of research, I found that I knew what to say. I would like to share this method with you here.
Recently, I need to use php to write a simulation program. this program needs to constantly change the public
Overview:
IP is the address, has the location function (Network and network communication) (NET layer)
MAC is ID, no positioning function (working on subnet) (link layer)
The first is how to view the IP address problem:Window:ipconfigLinux:ifconfig, IP addr#contents of
In the networking settings of the DHCP server, we sometimes involve DHCP Relay content. Next, we will explain how to use DHCP Relay to bind IP addresses and MAC addresses. I hope it will be helpful to you.
Functional requirements and networking description
Use DHCP Relay to bind IP addresses and MAC addresses
"Configu
# Include "stdafx. H"
# Include // This header file defines the socket programming function# Include // This header file declares the input/output stream function.# Include # Include # Include # Include # Pragma comment (Lib, "ws2_32.lib") // connect to the ws2_32.lib library. ws2_32.lib is used as long as the Winsock API function is used in the program.# Pragma comment (Lib, "netapi32.lib") // connect to the netapi32.lib library. netapi32.dll is used in MAC
1 Basic ConceptsAn IP address is an Internet protocol address, each Internet package must have an IP address, and each Internet service provider (ISP) must request a set of IP addresses from the organization concerned, and then generally dynamically assign it to its users.The MAC address is the address on the Ethernet
In a recently completed module, you need to get the system client's IP地址 and 物理地址(MAC地址) .1. Gets the native IP and Mac is the server, not the client's →_→Through Java, the IP address and MAC address of this machine can be complet
Many companies need to bind IP-MAC addresses for security reasons. IP-MAC bindings can be implemented in a variety of ways, and in this article I'll show you how the switches are Ip-mac bound.Cisco 2950#进入配置模式Switch#config Termina
Anti-ARP attack, grabbed from the terminal. How do I implement IP/MAC bindings under WIN7?In this, to add ip:192.168.1.200 mac:00-aa-00-62-c6-09 for example, small series with everyone to share.Tools/Materials
Computer (WIN7)
Method one: Through the "arp-s" command to achieve
1Step 1: Bind
address and assigns a value to the variable Mac.For/F "tokens = 15" % m in (phyaddr.txt) do set MAC = % m
If exist ipaddr.txt del ipaddr.txtFind "IPv4 address" ipconfig.txt> ipaddr.txtRem finds the local IP AddressFor/F "Skip = 2 tokens = 16" % I in (ipaddr.txt) do set IP = % ISet Var = % IP :~ 0, 14%: @ Echo onARP-S
The MAC address of the computer is fixed, but the IP address can be set up and changed. If the terminal arbitrarily modifies the IP address, may cause the LAN IP address conflict, affects the normal use. If the terminal installs ARP (IP and
Information security managers want to have a security incident not only can navigate to the computer, but also to locate the user's actual location, the use of Mac and IP binding is a common way, the IP address is the computer "name", the network connected to use this name; the MAC address is the "ID card number" It wi
Each Ethernet device has a unique MAC address at the factory. Why do I need to assign an IP address to each host? In other words, each host is assigned a unique IP address. Why should we embed a unique MAC address in the production of network devices (such as network adapters, hubs, routers, etc?
The main reasons are a
Each Ethernet device has a unique MAC address at the factory, why do I need to assign an IP address to each host? or if each host is assigned a unique IP address, why should a unique MAC address be embedded in the production of a network device (such as a NIC, hub, router, etc)?
There are several main reasons for this
Quickly fix the DHCPD. conf file bound to the MAC address and IP address of DHCP.
In Linux, to bind a dhcp mac address to an IP address, you need to bind it to/etc/DHCPD. specify an IP address for each Mac in the conf file. If it
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.