AWS Certified Solution Architect - NACL - iT 邦幫忙::一起幫忙解決難題，拯救 IT 人的一天

第 12 屆 iThome 鐵人賽

DAY 8

自我挑戰組

AWS Certified Solution Architect - NACL

12th鐵人賽 aws nacl

1041 瀏覽

Network Access Control List (NACL)
An layer of security that acts as a firewall for controlling traffic** in and out of subnet(s)**

NACL acts as a virtual firewall at the subnet level
Each NACL contains a set of rules that can allow or deny traffic into(inbound) and out of(outbound) subnets
a subnet can only be associate with one NACL
可以允許或拒絕流量，也可以針對某個IP做設定 (Security Group 不能做到)
NACL 裡面的 Rule # 代表評估的順序，順序由低至高，最高可到32766