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mirroring.tf
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mirroring.tf
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resource "aws_ec2_traffic_mirror_filter" "all_non_local" {
description = "Mirror all non-local traffic"
}
resource "aws_ec2_traffic_mirror_target" "suricata_nlb" {
description = "Suricata NLB target"
network_load_balancer_arn = aws_lb.suricata.arn
tags = var.tags
}
resource "aws_ec2_traffic_mirror_filter_rule" "rulein" {
count = var.mirror_all_traffic ? 0 : 1
description = "Reject local traffic"
traffic_mirror_filter_id = aws_ec2_traffic_mirror_filter.all_non_local.id
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = data.aws_vpc.target.cidr_block
rule_number = 10
rule_action = "reject"
traffic_direction = "ingress"
}
resource "aws_ec2_traffic_mirror_filter_rule" "rulein2" {
description = "Accept all ingress"
traffic_mirror_filter_id = aws_ec2_traffic_mirror_filter.all_non_local.id
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = "0.0.0.0/0"
rule_number = 20
rule_action = "accept"
traffic_direction = "ingress"
}
resource "aws_ec2_traffic_mirror_filter_rule" "rule_out" {
count = var.mirror_all_traffic ? 0 : 1
description = "Reject local egress traffic"
traffic_mirror_filter_id = aws_ec2_traffic_mirror_filter.all_non_local.id
destination_cidr_block = data.aws_vpc.target.cidr_block
source_cidr_block = "0.0.0.0/0"
rule_number = 10
rule_action = "reject"
traffic_direction = "egress"
}
resource "aws_ec2_traffic_mirror_filter_rule" "rule_out2" {
description = "Accept all egress traffic"
traffic_mirror_filter_id = aws_ec2_traffic_mirror_filter.all_non_local.id
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = "0.0.0.0/0"
rule_number = 20
rule_action = "accept"
traffic_direction = "egress"
}