Enable Header Cert Authv3.8+
Enables the Header Cert Authentication plugin with the CA certificate. Only allows requests from trusted IPs.
Prerequisites
- Add certificate authority (CA) Certificates before configuring the plugin.
Environment variables
-
HEADER_NAME: Name of the header that contains the certificate, received from the WAF or other L7 downstream proxy.
Add this section to your kong.yaml configuration file:
_format_version: "3.0"
plugins:
- name: header-cert-auth
config:
ca_certificates:
- 0D769DE8-7CC0-4541-989B-F9C23E20054C
certificate_header_name: ${{ env "DECK_HEADER_NAME" }}
certificate_header_format: base64_encoded
Make the following request:
curl -i -X POST http://localhost:8001/plugins/ \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--data '
{
"name": "header-cert-auth",
"config": {
"ca_certificates": [
"0D769DE8-7CC0-4541-989B-F9C23E20054C"
],
"certificate_header_name": "'$HEADER_NAME'",
"certificate_header_format": "base64_encoded"
},
"tags": []
}
'
Make the following request:
curl -X POST https://{region}.api.konghq.com/v2/control-planes/{controlPlaneId}/core-entities/plugins/ \
--header "accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer $KONNECT_TOKEN" \
--data '
{
"name": "header-cert-auth",
"config": {
"ca_certificates": [
"0D769DE8-7CC0-4541-989B-F9C23E20054C"
],
"certificate_header_name": "'$HEADER_NAME'",
"certificate_header_format": "base64_encoded"
},
"tags": []
}
'
Make sure to replace the following placeholders with your own values:
-
region: Geographic region where your Kong Konnect is hosted and operates. -
controlPlaneId: Theidof the control plane. -
KONNECT_TOKEN: Your Personal Access Token (PAT) associated with your Konnect account.
See the Konnect API reference to learn about region-specific URLs and personal access tokens.
echo "
apiVersion: configuration.konghq.com/v1
kind: KongClusterPlugin
metadata:
name: header-cert-auth
namespace: kong
annotations:
kubernetes.io/ingress.class: kong
konghq.com/tags: ''
labels:
global: 'true'
config:
ca_certificates:
- 0D769DE8-7CC0-4541-989B-F9C23E20054C
certificate_header_name: '$HEADER_NAME'
certificate_header_format: base64_encoded
plugin: header-cert-auth
" | kubectl apply -f -
Prerequisite: Configure your Personal Access Token
terraform {
required_providers {
konnect = {
source = "kong/konnect"
}
}
}
provider "konnect" {
personal_access_token = "$KONNECT_TOKEN"
server_url = "https://us.api.konghq.com/"
}
Add the following to your Terraform configuration to create a Konnect Gateway Plugin:
resource "konnect_gateway_plugin_header_cert_auth" "my_header_cert_auth" {
enabled = true
config = {
ca_certificates = ["0D769DE8-7CC0-4541-989B-F9C23E20054C"]
certificate_header_name = var.header_name
certificate_header_format = "base64_encoded"
}
tags = []
control_plane_id = konnect_gateway_control_plane.my_konnect_cp.id
}
This example requires the following variables to be added to your manifest. You can specify values at runtime by setting TF_VAR_name=value.
variable "header_name" {
type = string
}
Add this section to your kong.yaml configuration file:
_format_version: "3.0"
plugins:
- name: header-cert-auth
service: serviceName|Id
config:
ca_certificates:
- 0D769DE8-7CC0-4541-989B-F9C23E20054C
certificate_header_name: ${{ env "DECK_HEADER_NAME" }}
certificate_header_format: base64_encoded
Make sure to replace the following placeholders with your own values:
-
serviceName|Id: Theidornameof the service the plugin configuration will target.
Make the following request:
curl -i -X POST http://localhost:8001/services/{serviceName|Id}/plugins/ \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--data '
{
"name": "header-cert-auth",
"config": {
"ca_certificates": [
"0D769DE8-7CC0-4541-989B-F9C23E20054C"
],
"certificate_header_name": "'$HEADER_NAME'",
"certificate_header_format": "base64_encoded"
},
"tags": []
}
'
Make sure to replace the following placeholders with your own values:
-
serviceName|Id: Theidornameof the service the plugin configuration will target.
Make the following request:
curl -X POST https://{region}.api.konghq.com/v2/control-planes/{controlPlaneId}/core-entities/services/{serviceId}/plugins/ \
--header "accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer $KONNECT_TOKEN" \
--data '
{
"name": "header-cert-auth",
"config": {
"ca_certificates": [
"0D769DE8-7CC0-4541-989B-F9C23E20054C"
],
"certificate_header_name": "'$HEADER_NAME'",
"certificate_header_format": "base64_encoded"
},
"tags": []
}
'
Make sure to replace the following placeholders with your own values:
-
region: Geographic region where your Kong Konnect is hosted and operates. -
controlPlaneId: Theidof the control plane. -
KONNECT_TOKEN: Your Personal Access Token (PAT) associated with your Konnect account. -
serviceId: Theidof the service the plugin configuration will target.
See the Konnect API reference to learn about region-specific URLs and personal access tokens.
echo "
apiVersion: configuration.konghq.com/v1
kind: KongPlugin
metadata:
name: header-cert-auth
namespace: kong
annotations:
kubernetes.io/ingress.class: kong
konghq.com/tags: ''
config:
ca_certificates:
- 0D769DE8-7CC0-4541-989B-F9C23E20054C
certificate_header_name: '$HEADER_NAME'
certificate_header_format: base64_encoded
plugin: header-cert-auth
" | kubectl apply -f -
Next, apply the KongPlugin resource by annotating the service resource:
kubectl annotate -n kong service SERVICE_NAME konghq.com/plugins=header-cert-auth
Prerequisite: Configure your Personal Access Token
terraform {
required_providers {
konnect = {
source = "kong/konnect"
}
}
}
provider "konnect" {
personal_access_token = "$KONNECT_TOKEN"
server_url = "https://us.api.konghq.com/"
}
Add the following to your Terraform configuration to create a Konnect Gateway Plugin:
resource "konnect_gateway_plugin_header_cert_auth" "my_header_cert_auth" {
enabled = true
config = {
ca_certificates = ["0D769DE8-7CC0-4541-989B-F9C23E20054C"]
certificate_header_name = var.header_name
certificate_header_format = "base64_encoded"
}
tags = []
control_plane_id = konnect_gateway_control_plane.my_konnect_cp.id
service = {
id = konnect_gateway_service.my_service.id
}
}
This example requires the following variables to be added to your manifest. You can specify values at runtime by setting TF_VAR_name=value.
variable "header_name" {
type = string
}
Add this section to your kong.yaml configuration file:
_format_version: "3.0"
plugins:
- name: header-cert-auth
route: routeName|Id
config:
ca_certificates:
- 0D769DE8-7CC0-4541-989B-F9C23E20054C
certificate_header_name: ${{ env "DECK_HEADER_NAME" }}
certificate_header_format: base64_encoded
Make sure to replace the following placeholders with your own values:
-
routeName|Id: Theidornameof the route the plugin configuration will target.
Make the following request:
curl -i -X POST http://localhost:8001/routes/{routeName|Id}/plugins/ \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--data '
{
"name": "header-cert-auth",
"config": {
"ca_certificates": [
"0D769DE8-7CC0-4541-989B-F9C23E20054C"
],
"certificate_header_name": "'$HEADER_NAME'",
"certificate_header_format": "base64_encoded"
},
"tags": []
}
'
Make sure to replace the following placeholders with your own values:
-
routeName|Id: Theidornameof the route the plugin configuration will target.
Make the following request:
curl -X POST https://{region}.api.konghq.com/v2/control-planes/{controlPlaneId}/core-entities/routes/{routeId}/plugins/ \
--header "accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer $KONNECT_TOKEN" \
--data '
{
"name": "header-cert-auth",
"config": {
"ca_certificates": [
"0D769DE8-7CC0-4541-989B-F9C23E20054C"
],
"certificate_header_name": "'$HEADER_NAME'",
"certificate_header_format": "base64_encoded"
},
"tags": []
}
'
Make sure to replace the following placeholders with your own values:
-
region: Geographic region where your Kong Konnect is hosted and operates. -
controlPlaneId: Theidof the control plane. -
KONNECT_TOKEN: Your Personal Access Token (PAT) associated with your Konnect account. -
routeId: Theidof the route the plugin configuration will target.
See the Konnect API reference to learn about region-specific URLs and personal access tokens.
echo "
apiVersion: configuration.konghq.com/v1
kind: KongPlugin
metadata:
name: header-cert-auth
namespace: kong
annotations:
kubernetes.io/ingress.class: kong
konghq.com/tags: ''
config:
ca_certificates:
- 0D769DE8-7CC0-4541-989B-F9C23E20054C
certificate_header_name: '$HEADER_NAME'
certificate_header_format: base64_encoded
plugin: header-cert-auth
" | kubectl apply -f -
Next, apply the KongPlugin resource by annotating the httproute or ingress resource:
kubectl annotate -n kong httproute konghq.com/plugins=header-cert-auth
kubectl annotate -n kong ingress konghq.com/plugins=header-cert-auth
Prerequisite: Configure your Personal Access Token
terraform {
required_providers {
konnect = {
source = "kong/konnect"
}
}
}
provider "konnect" {
personal_access_token = "$KONNECT_TOKEN"
server_url = "https://us.api.konghq.com/"
}
Add the following to your Terraform configuration to create a Konnect Gateway Plugin:
resource "konnect_gateway_plugin_header_cert_auth" "my_header_cert_auth" {
enabled = true
config = {
ca_certificates = ["0D769DE8-7CC0-4541-989B-F9C23E20054C"]
certificate_header_name = var.header_name
certificate_header_format = "base64_encoded"
}
tags = []
control_plane_id = konnect_gateway_control_plane.my_konnect_cp.id
route = {
id = konnect_gateway_route.my_route.id
}
}
This example requires the following variables to be added to your manifest. You can specify values at runtime by setting TF_VAR_name=value.
variable "header_name" {
type = string
}