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My Tech Blog (Security)

1. What's Security Groupsโ–ถ Security Groups are the fundamental of network security.โ–ถ They control how traffic is allowed into or out of our EC2 Instances.โญ Security groups only contain allow rules - ํ—ˆ์šฉ๊ทœ์น™๋งŒ ํฌํ•จ๋˜๋ฏ€๋กœ ๋ฌด์—‡์ด ๋“ค์–ด๊ฐ€๊ณ  ๋‚˜๊ฐ€๋Š” ์ง€ ์•Œ ์ˆ˜ ์žˆ๋‹ค. โญ Security groups rules can reference by IP or by security group or other security groups - ๋ณด์•ˆ ๊ทธ๋ฃน์€ IP์ฃผ์†Œ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ทœ์น™์„ ์ƒ์„ฑํ•œ๋‹ค. - ๋˜๋Š” ๋‹ค๋ฅธ ๋ณด์•ˆ ๊ทธ๋ฃน์„ ์ฐธ์กฐํ•˜์—ฌ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค. (๋ณด์•ˆ๊ทธ๋ฃน์€ ์„œ๋กœ ์ฐธ์กฐ..
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