What should I do if an Internet caf is attacked by ARP?

Install a 360ARP firewall and you're good to go!

No need to shout, look at this tone, it is estimated that the landlord is the network administrator.

Turn on the anti-ARP function on the router, otherwise it will affect the Internet access.

Use 360 software to set up anti-ARP attacks.

1. Bind on the router, which is ideal. However, the router needs to support it.

2. Bind with network management software, such as "Tianyicheng network management" (what software do you like to use, search for it on the Internet.) ）。

Later, I will talk about some principle things, if you are interested, you can take a look

The MAC address is like the ID number on our ID card, which is globally unique.

IP address is like a position, and MAC address seems to be a talent to apply for this position, the position can be both A sitting, can also let B sit, the same reason a node IP address for the network card is not required, basically any manufacturer can be used, that is to say, there is no binding relationship between IP address and MAC address. The mobility of the computer itself is relatively strong, just as the same reason that talents can work for different units, the mobility of talents is relatively strong. The correspondence between job titles and talents is a bit like the correspondence between IP addresses and MAC addresses.

For example, if a network card fails, it can be replaced without having to get a new IP address. If an IP host is moved from one network to another, it can be given a new IP address without having to change a new network card.

Communication between computers, whether in a local area network or in a wide area network, ultimately manifests itself as the transfer of data packets from the initial node on some form of link, from one node to another, and finally to the destination node. The movement of packets between these nodes is done by the ARP (Address Resolution Protocol) which maps the IP address to the MAC address.

The role of the ID card is not very big on weekdays, but when it comes to some critical moments, the ID card is used to prove your identity. For example, if you want to go to the bank to withdraw cash, you will need an ID card. Then the MAC address is bound to the IP address, just like we carry our ID card to do important things in our daily life.

Sometimes, in order to prevent IP address theft, we can use a simple switch port binding (the MAC table of the port uses static entries), which can prevent the theft of MAC address modification when each switch port is only connected to one host. Generally, the binding MAC address is configured on the switch and router, which can only be accessed by network administrators.

For example, if you change your laptop to another dormitory in the campus network, you will not be able to access the Internet, which is caused by the binding of the MAC address to the IP address (port).

Do you have an ARP firewall turned on? Then carry out anti-hacking reinforcement, start the computer in safe mode, delete the network connection and the current account, re-establish the new account and connection, and it's OK.

In this case, it is best to change the abnormal MAC back to the default (delete the bytes in the network adapter -Properties-Advanced-Network Address - OK), or you can change your MAC address and make do with it first.

Install the ARP firewall, which comes with 360.

If it's in NTFS partition format, get rid of all permissions, and if it's FAT format, you can get read-only. Install an ARP firewall to prevent attacks and scan your computer if you are offline. Can be intercepted. 360 Security Guard.

360 shows that it has blocked ARP attacks thousands of times. Is there a way to solve it when it drops the most often? Does ARP Firewall work? Suggest me use the landlord Hello! It is recommended to use ARP Firewall for protection, or change this version.

The APR attack I am familiar with is hijacking domain names, and it can be **** in the middle, but it doesn't look like hijacking domain names, it's a bit like APR two-way hijacking.

The ARP firewall can quickly find out the source of ARP attacks on the LAN, protect the communication between the local machine and the gateway, protect the network connection of the local machine, and avoid the occurrence of disconnection caused by ARP attacks. One of the more effective ways to do this is to install an ARP firewall on each machine and set up auto-start. It is recommended to try the 360 Firewall, which is available in 360 Security Guard.

360 Security Guard --- features are --- Trojan defense--- ARP options are ticked.

If you are several families using one network, that is, using routers to access the Internet are all LANs. They can attack your computer and control your internet speed. It is recommended that you install a 360 Trojan firewall, you only need to turn on 360 Guard.

will stop the ARP attack, I wish you a speedy solution.

Click Auto-Protect to protect the communication between the current NIC and the gateway from being snooped on by third parties. Note: If the ARP spoofing prompt appears, it means that the attacker sent an ARP spoofing packet to obtain the data packet of the network card, if you want to track the attack**Please remember the MAC address of the attacker, you can use the MAC address scanner to find out the MAC address corresponding to the IP.

2. IP address conflict.

If there are frequent IP address conflicts, it means that the attacker frequently sends ARP spoofing packets before the IP conflict warning appears, and the Anti ARP SNIFFER can be used to prevent such attacks.

Note: If you want to restore the default MAC address, please click [Restore Default], and in order for the MAC address to take effect, please disable the local NIC and then enable the NIC. Full Chinese interface, green no need to install.