WAS v8.5 > WebSphere applications > Service integration > Service integration security

Message security in a service integration bus

The transport policy for a service integration bus controls which transport mechanisms a remote client application can use to connect to the bus.

We can configure one of the following transport policies for a bus, providing the bus members are at WebSphere Application Server v6.1 or later:

All defined transport channel chains

Connect client applications can use any transport channel chain, including unsecured ports. This is the default policy when we create a new bus with security disabled.

Transport channel chains that are protected by SSL

Connect client applications can only use transport chains that use the Secure Sockets Layer channel. This is the default policy when we create a new bus with security enabled.

Transport channel chains in the list of permitted transports

Connect client applications can only use the transport channel chains in a list of specific transports. This provides the highest level of control because the bus allows access only to the permitted transports.

We can configure the transport policy for the bus using wsadmin commands, or the dmgr console. The transport policy is independent of the bus security configuration, so we can configure a transport policy for a bus when security is disabled. Note that by default, if a newly created bus is not secured, a remote client application can use any transport channel chain to access the bus. If a newly created bus is secured, by default a remote client application can only use SSL protected channel chains to access the bus. To control exactly which transport channel chains are available for use, configure the permitted transports policy.

The permitted transport policy provides the following benefits:

If the permitted transports policy is in use but an inter-bus communications protocol has not been specified, the InboundSecureMessaging port is used instead of the InboundBasicMessaging port. You must ensure that you add the InboundSecureMessaging port to the list of permitted transports. We can override the default by configuring an inter-bus communication protocol for the bus.


Related


Configure a transport policy for a bus
List permitted transports for a bus
Add a permitted transport to a bus
Remove a permitted transport from a bus


Reference:

listSIBPermittedChain command
addSIBPermittedChain command
removeSIBPermittedChain command


Related information:

Permitted transports [Collection]
Add a transport to the list of permitted transports [Settings]
Security for bus bus_name [Settings]


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