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security-groups.tf
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security-groups.tf
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# Public ALB Security Group
resource "aws_security_group" "public_lb" {
name_prefix = "${local.project_tag}-public-lb"
description = "security group for public load balancer"
vpc_id = aws_vpc.main.id
}
resource "aws_security_group_rule" "public_lb_allow_80" {
security_group_id = aws_security_group.public_lb.id
type = "ingress"
protocol = "tcp"
from_port = 80
to_port = 80
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
description = "Allow HTTP traffic."
}
resource "aws_security_group_rule" "public_lb_allow_outbound" {
security_group_id = aws_security_group.public_lb.id
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
description = "Allow any outbound traffic."
}
## Public Server Security Group
resource "aws_security_group" "public" {
name_prefix = "${local.project_tag}-public"
description = "Security Group for the public servers"
vpc_id = aws_vpc.main.id
}
resource "aws_security_group_rule" "public_allow_22" {
security_group_id = aws_security_group.public.id
type = "ingress"
protocol = "tcp"
from_port = 22
to_port = 22
cidr_blocks = ["0.0.0.0/0"]
description = "Allow SSH traffic."
}
resource "aws_security_group_rule" "public_lb_allow_9090" {
security_group_id = aws_security_group.public.id
type = "ingress"
protocol = "tcp"
from_port = 9090
to_port = 9090
source_security_group_id = aws_security_group.public_lb.id
description = "Allow traffic from Public Load Balancer."
}
resource "aws_security_group_rule" "public_allow_outbound" {
security_group_id = aws_security_group.public.id
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
description = "Allow any outbound traffic."
}
# Private ALB Security Group
resource "aws_security_group" "private_lb" {
name_prefix = "${local.project_tag}-private-lb"
description = "security group for private load balancer"
vpc_id = aws_vpc.main.id
}
resource "aws_security_group_rule" "private_lb_allow_80" {
security_group_id = aws_security_group.private_lb.id
type = "ingress"
protocol = "tcp"
from_port = 80
to_port = 80
cidr_blocks = [var.vpc_cidr] # restrict to our VPC
description = "Allow HTTP traffic."
}
resource "aws_security_group_rule" "private_lb_allow_outbound" {
security_group_id = aws_security_group.private_lb.id
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
description = "Allow any outbound traffic."
}
## Private Server Security Group
resource "aws_security_group" "private" {
name_prefix = "${local.project_tag}-private"
description = "Security Group for the private servers"
vpc_id = aws_vpc.main.id
}
resource "aws_security_group_rule" "private_lb_allow_9090" {
security_group_id = aws_security_group.private.id
type = "ingress"
protocol = "tcp"
from_port = 9090
to_port = 9090
source_security_group_id = aws_security_group.private_lb.id
description = "Allow traffic from Private Load Balancer."
}
resource "aws_security_group_rule" "private_allow_outbound" {
security_group_id = aws_security_group.private.id
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
description = "Allow any outbound traffic."
}