waf.tf
2.15 KB
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# WAF Web ACL for API Protection
resource "aws_wafv2_web_acl" "api_gateway" {
count = var.create_waf ? 1 : 0
name = "${var.api_gateway_name}-waf"
description = "WAF for User Management API Gateway"
scope = "REGIONAL"
default_action {
allow {}
}
# AWS 托管规则 - 常见攻击防护
rule {
name = "AWSManagedRulesCommonRuleSet"
priority = 1
override_action {
none {}
}
statement {
managed_rule_group_statement {
name = "AWSManagedRulesCommonRuleSet"
vendor_name = "AWS"
}
}
visibility_config {
cloudwatch_metrics_enabled = true
metric_name = "AWSManagedRulesCommonRuleSet"
sampled_requests_enabled = true
}
}
# SQL 注入防护
rule {
name = "AWSManagedRulesSQLiRuleSet"
priority = 2
override_action {
none {}
}
statement {
managed_rule_group_statement {
name = "AWSManagedRulesSQLiRuleSet"
vendor_name = "AWS"
}
}
visibility_config {
cloudwatch_metrics_enabled = true
metric_name = "AWSManagedRulesSQLiRuleSet"
sampled_requests_enabled = true
}
}
# 速率限制规则（可选）
rule {
name = "RateLimit"
priority = 10
action {
block {}
}
statement {
rate_based_statement {
limit = 2000
aggregate_key_type = "IP"
}
}
visibility_config {
cloudwatch_metrics_enabled = true
metric_name = "RateLimit"
sampled_requests_enabled = true
}
}
visibility_config {
cloudwatch_metrics_enabled = true
metric_name = "${var.api_gateway_name}-waf"
sampled_requests_enabled = true
}
tags = merge(var.tags, {
Name = "${var.api_gateway_name}-waf"
Environment = var.environment
Project = "user-management"
})
}
# Associate WAF with API Gateway
resource "aws_wafv2_web_acl_association" "api_gateway" {
count = var.create_waf ? 1 : 0
resource_arn = aws_apigatewayv2_stage.production.arn
web_acl_arn = aws_wafv2_web_acl.api_gateway[0].arn
}