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Modifying Security Group Rules

Last updated: 2024-01-08 09:41:35

    Scenario

    This article describes how to modify a security group rule. Rules are important because they protect you CVM instance from malicious attacks. For example, they can protect certain ports from being abused.

    Prerequisites

    Make sure you have created a security group with rules. Refer to Creating Security Groups and Adding Security Group Rules.

    Directions

    1. Log in to the CVM Console.
    2. In the left sidebar, select Security Group. The Security Group page then appears.
    3. Select the desired region and find the security group.
    4. Locate desired security group and click Modify Rules. The Security Group Rule page then appears.
    5. Use Inbound rule and Outbound rule to switch between inbound and outbound security group rules.
    6. Locate the desired rule and click Edit to modify it.
    Note:
    You don’t need to reboot the CVM for the rule changes to take effect.
    
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