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  6. Which Protocols Does a Security Group Support?

Which Protocols Does a Security Group Support?

The protocol used by a security group can be set to TCPUDPICMP, or AllAll 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 All.