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security_groups.tf
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resource "aws_security_group" "awsvpn_instance_security_group" {
name = "${var.environment}-awsvpn-instance"
description = "AWSVPN Instance Allowed Ports-${var.environment}"
vpc_id = local.vpc_id
tags = merge(
local.global_tags,
map("Name", "${var.environment}-awsvpn-instance"))
}
resource "aws_security_group_rule" "awsvpn_instance_sg_togglelistener" {
type = "ingress"
protocol = "tcp"
from_port = data.aws_ssm_parameter.toggle_port.value
to_port = data.aws_ssm_parameter.toggle_port.value
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "Listener for keepalived web toggler"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_sshaccess" {
type = "ingress"
protocol = "tcp"
from_port = 22
to_port = 22
cidr_blocks = [local.vpc_cidr_block]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "SSH Access from VPC"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_vrrp" {
type = "ingress"
protocol = 112
from_port = -1
to_port = -1
cidr_blocks = [local.subnet_cidr_block]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "Keepalived VRRP (112) heartbeat between failover pair"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_icmp" {
type = "ingress"
protocol = "ICMP"
from_port = -1
to_port = -1
cidr_blocks = ["0.0.0.0/0"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "Allow ICMP (ping) -- could be tightened"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_ssh" {
type = "ingress"
protocol = "tcp"
from_port = 22
to_port = 22
cidr_blocks = ["24.205.198.194/32", "45.29.138.49/32", "136.25.104.204/32", "73.93.244.239/32", "70.186.107.41/32"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "SSH Access from NetTempo networks -- to be removed"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_foobar_ssh" {
type = "ingress"
protocol = "tcp"
from_port = 22
to_port = 22
cidr_blocks = ["10.100.0.0/16"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "SSH Access from Foobar networks"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_foobar_dns_tcp" {
type = "ingress"
protocol = "tcp"
from_port = 53
to_port = 53
cidr_blocks = ["10.100.0.0/16"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "DNS Access from Foobar networks"
}
resource "aws_security_group_rule" "awsvpn_instance_sg_foobar_dns_udp" {
type = "ingress"
protocol = "udp"
from_port = 53
to_port = 53
cidr_blocks = ["10.100.0.0/16"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
description = "DNS Access from Foobar networks"
}
resource "aws_security_group_rule" "awsvpn_instance_egress_all" {
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
security_group_id = aws_security_group.awsvpn_instance_security_group.id
}
resource "aws_security_group" "awsvpn_gw_eni_security_group" {
name = "${var.environment}-awsvpn-gw-eni"
description = "AWSVPN GW ENI Allowed Ports-${var.environment}"
vpc_id = local.vpc_id
tags = merge(
local.global_tags,
map("Name", "${var.environment}-awsvpn-gw-eni"))
}
resource "aws_security_group_rule" "awsvpn_gw_eni_sg_libreswan_500" {
type = "ingress"
protocol = "udp"
from_port = 500
to_port = 500
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
security_group_id = aws_security_group.awsvpn_gw_eni_security_group.id
description = "Libreswan port 500 Access to GW ENI Virtual IP"
}
resource "aws_security_group_rule" "awsvpn_gw_eni_sg_libreswan_4500" {
type = "ingress"
protocol = "udp"
from_port = 4500
to_port = 4500
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
security_group_id = aws_security_group.awsvpn_gw_eni_security_group.id
description = "Libreswan port 500 Access to GW ENI Virtual IP"
}
resource "aws_security_group_rule" "awsvpn_gw_eni_sg_icmp" {
type = "ingress"
protocol = "ICMP"
from_port = -1
to_port = -1
cidr_blocks = ["0.0.0.0/0"]
security_group_id = aws_security_group.awsvpn_gw_eni_security_group.id
description = "Allow ICMP (ping) -- could be tightened"
}
resource "aws_security_group_rule" "awsvpn_gw_eni_egress_all" {
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
security_group_id = aws_security_group.awsvpn_gw_eni_security_group.id
}
resource "aws_security_group" "awsvpn_nat_eni_security_group" {
name = "${var.environment}-awsvpn-nat-eni"
description = "AWSVPN NAT ENI Allowed Ports-${var.environment}"
vpc_id = local.vpc_id
tags = merge(
local.global_tags,
map("Name", "${var.environment}-awsvpn-nat-eni"))
}
resource "aws_security_group_rule" "awsvpn_nat_eni_sg_icmp" {
type = "ingress"
protocol = "ICMP"
from_port = -1
to_port = -1
cidr_blocks = ["0.0.0.0/0"]
security_group_id = aws_security_group.awsvpn_nat_eni_security_group.id
description = "Allow ICMP (ping) -- could be tightened"
}
resource "aws_security_group_rule" "awsvpn_nat_eni_egress_all" {
type = "egress"
protocol = "-1"
from_port = 0
to_port = 0
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
security_group_id = aws_security_group.awsvpn_nat_eni_security_group.id
}