Istio ServiceEntry for outside db with mutual tls, cannot connect to db service











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I am using istio 1.0.2 version with istio-demo-auth.yaml, I have a mssql db outside the k8s cluster, I want to connect it form the istio injected services. I try with this Consuming External TCP Services blogs, but the services cannot connect to the outside mssql instance. The service entry as below:



---
apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: mssql-entry
namespace: multitenancy
spec:
hosts:
- mssql-master
addresses:
- $outside-db-ip/32
ports:
- number: 2433
name: db
protocol: TCP
location: MESH_EXTERNAL
resolution: STATIC
endpoints:
- address: $outside-db-ip
ports:
tcp: 2433

---
apiVersion: v1
kind: Service
metadata:
name: mssql-master
namespace: multitenancy
labels:
app: v1
spec:
ports:
- port: 2433
targetPort: 2433
protocol: TCP
---
apiVersion: v1
kind: Endpoints
metadata:
name: mssql-master
namespace: multitenancy
subsets:
- addresses:
- ip: $outside-db-ip
ports:
- port: 2433
protocol: TCP


And the services' log presenting " Prelogin error: host mssql-master port 2433 Error reading prelogin response: Connection reset ClientConnectionId:", seems not reached the mssql at all. How to configure outside cluster db for mutual tls services?










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  • I add a destinationrule for mssql, to disable the tls for the mssql connection.
    – SmileSees
    Nov 13 at 6:42










  • Does it help you to solve the issue?
    – mk_sta
    Nov 13 at 11:29










  • @mk_sta Yes, after I disabled the tls for mssql destination, I can get the mssql connection in my services.
    – SmileSees
    Nov 14 at 1:57















up vote
0
down vote

favorite












I am using istio 1.0.2 version with istio-demo-auth.yaml, I have a mssql db outside the k8s cluster, I want to connect it form the istio injected services. I try with this Consuming External TCP Services blogs, but the services cannot connect to the outside mssql instance. The service entry as below:



---
apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: mssql-entry
namespace: multitenancy
spec:
hosts:
- mssql-master
addresses:
- $outside-db-ip/32
ports:
- number: 2433
name: db
protocol: TCP
location: MESH_EXTERNAL
resolution: STATIC
endpoints:
- address: $outside-db-ip
ports:
tcp: 2433

---
apiVersion: v1
kind: Service
metadata:
name: mssql-master
namespace: multitenancy
labels:
app: v1
spec:
ports:
- port: 2433
targetPort: 2433
protocol: TCP
---
apiVersion: v1
kind: Endpoints
metadata:
name: mssql-master
namespace: multitenancy
subsets:
- addresses:
- ip: $outside-db-ip
ports:
- port: 2433
protocol: TCP


And the services' log presenting " Prelogin error: host mssql-master port 2433 Error reading prelogin response: Connection reset ClientConnectionId:", seems not reached the mssql at all. How to configure outside cluster db for mutual tls services?










share|improve this question






















  • I add a destinationrule for mssql, to disable the tls for the mssql connection.
    – SmileSees
    Nov 13 at 6:42










  • Does it help you to solve the issue?
    – mk_sta
    Nov 13 at 11:29










  • @mk_sta Yes, after I disabled the tls for mssql destination, I can get the mssql connection in my services.
    – SmileSees
    Nov 14 at 1:57













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am using istio 1.0.2 version with istio-demo-auth.yaml, I have a mssql db outside the k8s cluster, I want to connect it form the istio injected services. I try with this Consuming External TCP Services blogs, but the services cannot connect to the outside mssql instance. The service entry as below:



---
apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: mssql-entry
namespace: multitenancy
spec:
hosts:
- mssql-master
addresses:
- $outside-db-ip/32
ports:
- number: 2433
name: db
protocol: TCP
location: MESH_EXTERNAL
resolution: STATIC
endpoints:
- address: $outside-db-ip
ports:
tcp: 2433

---
apiVersion: v1
kind: Service
metadata:
name: mssql-master
namespace: multitenancy
labels:
app: v1
spec:
ports:
- port: 2433
targetPort: 2433
protocol: TCP
---
apiVersion: v1
kind: Endpoints
metadata:
name: mssql-master
namespace: multitenancy
subsets:
- addresses:
- ip: $outside-db-ip
ports:
- port: 2433
protocol: TCP


And the services' log presenting " Prelogin error: host mssql-master port 2433 Error reading prelogin response: Connection reset ClientConnectionId:", seems not reached the mssql at all. How to configure outside cluster db for mutual tls services?










share|improve this question













I am using istio 1.0.2 version with istio-demo-auth.yaml, I have a mssql db outside the k8s cluster, I want to connect it form the istio injected services. I try with this Consuming External TCP Services blogs, but the services cannot connect to the outside mssql instance. The service entry as below:



---
apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: mssql-entry
namespace: multitenancy
spec:
hosts:
- mssql-master
addresses:
- $outside-db-ip/32
ports:
- number: 2433
name: db
protocol: TCP
location: MESH_EXTERNAL
resolution: STATIC
endpoints:
- address: $outside-db-ip
ports:
tcp: 2433

---
apiVersion: v1
kind: Service
metadata:
name: mssql-master
namespace: multitenancy
labels:
app: v1
spec:
ports:
- port: 2433
targetPort: 2433
protocol: TCP
---
apiVersion: v1
kind: Endpoints
metadata:
name: mssql-master
namespace: multitenancy
subsets:
- addresses:
- ip: $outside-db-ip
ports:
- port: 2433
protocol: TCP


And the services' log presenting " Prelogin error: host mssql-master port 2433 Error reading prelogin response: Connection reset ClientConnectionId:", seems not reached the mssql at all. How to configure outside cluster db for mutual tls services?







istio






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asked Nov 12 at 2:13









SmileSees

104




104












  • I add a destinationrule for mssql, to disable the tls for the mssql connection.
    – SmileSees
    Nov 13 at 6:42










  • Does it help you to solve the issue?
    – mk_sta
    Nov 13 at 11:29










  • @mk_sta Yes, after I disabled the tls for mssql destination, I can get the mssql connection in my services.
    – SmileSees
    Nov 14 at 1:57


















  • I add a destinationrule for mssql, to disable the tls for the mssql connection.
    – SmileSees
    Nov 13 at 6:42










  • Does it help you to solve the issue?
    – mk_sta
    Nov 13 at 11:29










  • @mk_sta Yes, after I disabled the tls for mssql destination, I can get the mssql connection in my services.
    – SmileSees
    Nov 14 at 1:57
















I add a destinationrule for mssql, to disable the tls for the mssql connection.
– SmileSees
Nov 13 at 6:42




I add a destinationrule for mssql, to disable the tls for the mssql connection.
– SmileSees
Nov 13 at 6:42












Does it help you to solve the issue?
– mk_sta
Nov 13 at 11:29




Does it help you to solve the issue?
– mk_sta
Nov 13 at 11:29












@mk_sta Yes, after I disabled the tls for mssql destination, I can get the mssql connection in my services.
– SmileSees
Nov 14 at 1:57




@mk_sta Yes, after I disabled the tls for mssql destination, I can get the mssql connection in my services.
– SmileSees
Nov 14 at 1:57












1 Answer
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0
down vote



accepted










As @SmileSees mentioned, the issue has been resolved by disabling mutual TLS authentication for the target mssql instance. Due to the fact that the database instance located outside the Istio mesh and no sidecar Envoy injected for this service, TLS security connection was not established.



You can consider to use SPIFFE framework for securing services across heterogeneous environments.



Referenced links for further research:




  1. Mutual TLS authentication

  2. Authorization policy

  3. Istio security vs SPIFFE






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    1 Answer
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    active

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    active

    oldest

    votes








    up vote
    0
    down vote



    accepted










    As @SmileSees mentioned, the issue has been resolved by disabling mutual TLS authentication for the target mssql instance. Due to the fact that the database instance located outside the Istio mesh and no sidecar Envoy injected for this service, TLS security connection was not established.



    You can consider to use SPIFFE framework for securing services across heterogeneous environments.



    Referenced links for further research:




    1. Mutual TLS authentication

    2. Authorization policy

    3. Istio security vs SPIFFE






    share|improve this answer



























      up vote
      0
      down vote



      accepted










      As @SmileSees mentioned, the issue has been resolved by disabling mutual TLS authentication for the target mssql instance. Due to the fact that the database instance located outside the Istio mesh and no sidecar Envoy injected for this service, TLS security connection was not established.



      You can consider to use SPIFFE framework for securing services across heterogeneous environments.



      Referenced links for further research:




      1. Mutual TLS authentication

      2. Authorization policy

      3. Istio security vs SPIFFE






      share|improve this answer

























        up vote
        0
        down vote



        accepted







        up vote
        0
        down vote



        accepted






        As @SmileSees mentioned, the issue has been resolved by disabling mutual TLS authentication for the target mssql instance. Due to the fact that the database instance located outside the Istio mesh and no sidecar Envoy injected for this service, TLS security connection was not established.



        You can consider to use SPIFFE framework for securing services across heterogeneous environments.



        Referenced links for further research:




        1. Mutual TLS authentication

        2. Authorization policy

        3. Istio security vs SPIFFE






        share|improve this answer














        As @SmileSees mentioned, the issue has been resolved by disabling mutual TLS authentication for the target mssql instance. Due to the fact that the database instance located outside the Istio mesh and no sidecar Envoy injected for this service, TLS security connection was not established.



        You can consider to use SPIFFE framework for securing services across heterogeneous environments.



        Referenced links for further research:




        1. Mutual TLS authentication

        2. Authorization policy

        3. Istio security vs SPIFFE







        share|improve this answer














        share|improve this answer



        share|improve this answer








        answered Nov 14 at 11:22


























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