Quintuple on the USG9000 series

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The quintuple of the firewall refers to the source address, destination address, source port, destination port, and protocol port.

Other related questions:
Precautions for quintuple packet capture configuration on the USG9000 series
Quintuple packet capture affects device performance. Use it with caution. After locating network problems, you should clear packet capture queues to release memory.

Quintuple on the USG6000 series
The quintuple of the firewall refers to the source address, destination address, source port, destination port, and protocol port.

NAT on the USG9000 series
NAT is a type of address translation technology that converts the address in an IPv4 packet header into another address. Generally, the NAT technology is used to convert private addresses in IPv4 packet headers into public addresses so that users on the private network can access the Internet concurrently by using a few public addresses. The NAT technology is usually used to address the issue of public IPv4 address shortage caused by the constant increase in the Internet scale.

Meaning of the server mapping on the USG2000 and USG5000
The server mapping is classified into static mapping and server load balancing. The static mapping is a type of one-to-one mapping, that is, a public IP address corresponds to an intranet server. The server load balancing is a type of one-to-many mapping. It can distribute traffic generated by external network users for accessing the intranet servers among specific intranet servers based on a certain algorithm.

Meaning of quintuple packet capture for the USG6000 series
Quintuple packet capture enables the USG6000 series to copy the passing packets and save or display them in a certain format on the USG. If the USG or service is faulty and the fault cannot be located after you check the configuration and statistics, you can enable quintuple packet capture for the USG to capture packets of specified flows for fault analysis.

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