4 broadband network access technologies

In a telecommunication network, an access network connects users and service nodes, mainly solving problems such as transmission, multiplexing/separation, and resource sharing. As bandwidth requirements increase, fiber continues to expand to users, FTTB (fiber to the building), FTTC (fiber to the ro...

Network security basics summary

(1) FirewallDefinition: I believe everyone knows what the firewall is for. I think it is necessary to remind you that the firewall is resistant to external attacks and does not have much effect on internal viruses (such as ARP viruses) or attacks.Function: The function of the firewall is mainly to p...

Network security, starting with the next generation firewall!

With the development of science and technology and the advent of the Internet era, computers have been widely used in work and daily life, and computer network security has also attracted people's attention.While computers bring great convenience to corporate offices, network security is also facing...

IP address in computer network

Special IP address1, 0.0.0.0Strictly speaking, this wonderful address 0.0.0.0 is not a real IP address anymore. It represents such a collection: that is, all unclear host and destination networks. The "unclear" here means that there is no specific entry in the routing table of the machine to indicat...