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sg.tf
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sg.tf
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#SECURITY GROUP FOR LOAD BALANCER
resource "aws_security_group" "lb-sg" {
name = "lb-sg"
description = "Security group for lb"
vpc_id = aws_vpc.vpc.id
ingress {
from_port = 80
to_port = 80
protocol = "tcp"
description = "HTTP"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
tags = {
Name = "lb-secgrp"
}
}
#SECURITY GROUP FOR WEBSERVER
resource "aws_security_group" "webserver-sg" {
name = "webserver-sg"
description = "Security group for webserver"
vpc_id = aws_vpc.vpc.id
ingress {
from_port = 80
to_port = 80
protocol = "tcp"
description = "HTTP"
security_groups = [aws_security_group.lb-sg.id]
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
description = "SSH"
security_groups = [aws_security_group.bastion-sg.id]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
tags = {
Name = "web-secgrp"
}
}
#DATABASE SECURITY GROUP
resource "aws_security_group" "db-sg" {
name = "db-sg-sg"
description = "Security group for db"
vpc_id = aws_vpc.vpc.id
ingress {
from_port = 3306
to_port = 3306
protocol = "tcp"
description = "MySQL"
cidr_blocks = ["10.0.0.0/16"]
security_groups = [aws_security_group.webserver-sg.id]
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
description = "SSH"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
tags = {
Name = "db-secgrp"
}
}
#BASTION HOST SECURITY GROUP
resource "aws_security_group" "bastion-sg" {
name = "bastion-sg"
description = "Security group for lb"
vpc_id = aws_vpc.vpc.id
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
description = "SSH"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
tags = {
Name = "bastion-secgrp"
}
}