Which Protocols Does a Security Group Support?

The protocol used by a security group can be set to TCP, UDP, ICMP, or ANY. ANY indicates that the security group takes effect for all protocols. If the TCP or UDP protocol is selected, configure ports 1 to 65535 for the protocols to access the security group. If the ICMP protocol is selected, you can set the ICMP protocol type. The default value is ANY.

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