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AVR posted:
3 years ago
Let's learn the difference between Security group & NACL(Network Access control list)

The security group will provide security at the Instance level.

The security group is stateful in nature

NACL(Network Access control list) would provide security at the subnet level.

NACL is stateless in nature

NACL would provide one more layer of security at the subnet level.

As a part of NACL, Opening Ephemeral ports are mandatory otherwise NACL would block all ports

For Ephemeral ports - We need to open at both NACL inbound & outbound
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Posted in: AWS | ID: Q53 |
August 04, 2021, 10:32 AM | 0 Replies