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| PDF Title : | Architecting For Scale : high availability for your growing applications |
|---|---|
| Total Page : | 230 Pages |
| Author: | Lee Atchison |
| PDF Size : | 1.7 MB |
| Language : | English |
| Rights : | oreilly.com |
| PDF Link : | Available |
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Architecting For Scale : high availability for your growing applications – Book
Amazon manages the network ACL throughout the life of the instance (they call them security groups). You can change the security group ACLs at any time. If you block access to a port, that port is blocked immediately. If you allow access to a port or IP address, that port or IP address is allowed access immediately. This all happens at the network layer, before the traffic reaches the server for inbound ACL, and after the traffic leaves the server for outbound ACL. No access to software on the server itself is required.
Architecting For Scale : high availability for your growing applications PDF
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