traefik/pkg/provider/kubernetes/crd/fixtures/tcp/with_tls_passthrough.yml

apiVersion: v1
kind: Secret
metadata:
  name: supersecret
  namespace: default

data:
  tls.crt: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCi0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0=
  tls.key: LS0tLS1CRUdJTiBQUklWQVRFIEtFWS0tLS0tCi0tLS0tRU5EIFBSSVZBVEUgS0VZLS0tLS0=

---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRouteTCP
metadata:
  name: test.route
  namespace: default

spec:
  entryPoints:
    - foo

  routes:
  - match: HostSNI(`foo.com`)
    services:
    - name: whoamitcp
      port: 8000

  tls:
    secretName: supersecret
    passthrough: true