Nowadays, linux has become an indispensable part of our daily lives. In the field of IT technology, it plays a very important role in the development of many information systems. Linux, with its open source system and very secure system, has become the first choice of various organizations and people.

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Linux “bridge protection” technology, which first appeared in Ubuntu 5.10, is an important component of the Linux system. It supports the ability to securely forward traffic between different networks, and helps ensure security during transmission over the network. In simple terms, bridge protection is a bridge between two separate networks, protecting the network and ensuring that only authorized users can access the network.

Bridge protection consists of three main components: the bridge (bridge), which connects the two networks; the bridge devices (bridge device) connects the bridge and the networks on both sides; and the bridge filter (bridge filter). The bridge filter works to limit the data flow between the networks, allowing only approved traffic to pass through. It is a very important component for protecting the Linux system.

Bridge protection also makes use of several security tools, such as IPseC, which is a powerful packet filter; authentication, authorization and accounting (AAA); and encryption, which are used to encrypt packets and protect data from attacks and tampering. All these tools are important for the protection of the Linux system.

In conclusion, bridge protection is an important component of the Linux system. When combined with other security tools, it can ensure that only authorized users can access the Linux system, and that all data is safely transmitted over the network. Bridge protection should be taken seriously, as it can help protect the future of information systems.

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