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Why ECSs at Both Ends of a Normal Cross-Region VPN Connection Cannot Access Each Other?
Updated on 2025-12-18 GMT+08:00
Why ECSs at Both Ends of a Normal Cross-Region VPN Connection Cannot Access Each Other?
By default, a security group allows all outbound traffic. To allow inbound traffic, add inbound rules to the security group. Ensure that the security group associated with the ECS that needs to receive ping packets allows inbound ICMP requests.
Parent topic: Connection or Ping Failure
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