Possible SYN Flooding

$ sudo vim /etc/sysctl.conf
net.ipv4.tcp_syncookies = 0

Check net.ipv4.tcp_syncookies value

$ sysctl net.ipv4.tcp_syncookies
net.ipv4.tcp_syncookies = 1

Reload sysctl.conf

$ sudo sysctl --system
* Applying /etc/sysctl.d/00-defaults.conf ...
.....
* Applying /etc/sysctl.conf ...
net.ipv4.tcp_syncookies = 0

Check again net.ipv4.tcp_syncookies value

$ sysctl net.ipv4.tcp_syncookies
net.ipv4.tcp_syncookies = 0

#aws (16) #ec2 (3)

List

Install docker sudo...... #aws (16) #docker-compose (9) #docker (30)

Step 1 ACM -> check ...... #aws (16)

Step 1. Create s3 bu...... #aws (16)

# You don't need Fog...... #aws (16) #curl (3) #upload (3) #rails-encoding (8) #s3 (4)

1. Create AWS USER [...... #aws (16) #cloudfront (3) #upload (3) #rails-encoding (8) #s3 (4) #aws-cli (4)

1. Create S3 bucket ...... #aws (16) #cloudfront (3) #s3 (4)

Permissions 0644 for...... #aws (16) #aws-troubleshooting (1)

[Screen Shot 2020-09...... #aws (16) #cloudfront (3) #s3 (4) #cors (2)

Config AWS_ACCESS_KE...... #aws (16) #pip (2) #pip-aws-cli (2) #aws-cli (4)

Check AWS_ACCESS_KEY...... #aws (16) #pip (2) #pip-aws-cli (2) #aws-cli (4)

Hello World