Channel Blocked

Event name: Channel Blocked.
Reason code in MQCFH: MQRC_CHANNEL_BLOCKED
Channel blocked.
MQRC_CHANNEL_BLOCKED_WARNING
Channel blocked - warning mode.
Event description: This event is issued when an attempt to start an inbound channel is blocked.

For MQRC_CHANNEL_BLOCKED_WARNING, temporary access has been granted to the channel because the channel authentication record is defined with WARN set to YES.

Event type: Channel.
Platforms: All.
Event queue: SYSTEM.ADMIN.CHANNEL.EVENT


Event data

    QMgrName

    Description: Name of the queue manager generating the event.
    Identifier: MQCA_Q_MGR_NAME.
    Data type: MQCFST.
    Maximum length: MQ_Q_MGR_NAME_LENGTH.
    Returned: Always.

    Reason qualifier

    Description: Identifier that qualifies the reason code
    Identifier: MQIACF_REASON_QUALIFIER
    Data type: MQCFIN.
    Values:

      MQRQ_CHANNEL_BLOCKED_ADDRESS
      Channel was blocked due to its IP address being in the list to be refused

      MQRQ_CHANNEL_BLOCKED_USERID
      Channel was blocked due to its asserted or mapped user ID being in the list to be refused.

      MQRQ_CHANNEL_BLOCKED_NOACCESS
      Channel was blocked due to its IP address; TLS Peer name; remote queue manager name or client user ID being mapped to have no access.

    Returned: Always.

    ChannelName

    Description: Channel Name.
    Identifier: MQCACH_CHANNEL_NAME.
    Data type: MQCFST.
    Maximum length: MQ_CHANNEL_NAME_LENGTH.
    Returned: If the Reason Qualifier is not MQRQ_CHANNEL_BLOCKED_ADDRESS. In that case the inbound connection is blocked before the channel name is known.

    UserIdentifier

    Description: User identifier that was blocked.
    Identifier: MQCACF_USER_IDENTIFIER
    Data type: MQCFST.
    Maximum length: MQ_USER_ID_LENGTH
    Returned: Only if the Reason Qualifier is MQRQ_CHANNEL_BLOCKED_USERID

    ConnectionName

    Description: Address of the partner attempting to establish connection
    Identifier: MQCACH_CONNECTION_NAME.
    Data type: MQCFST.
    Maximum length: MQ_CONN_NAME_LENGTH.
    Returned: Always

    RemoteQMgrName

    Description: Name of the partner queue manager attempting to establish connection.
    Identifier: MQCA_REMOTE_Q_MGR_NAME
    Data type: MQCFST.
    Maximum length: MQ_Q_MGR_NAME_LENGTH
    Returned: Only for inbound queue manager connections.

    SSLPeerName

    Description: The Distinguished Name in the certificate sent from the remote system.
    Identifier: MQCACH_SSL_PEER_NAME
    Data type: MQCFST.
    Maximum length: MQ_DISTINGUISHED_NAME_LENGTH
    Returned: Whenever the channel is using TLS and the client has not connected anonymously.

    SSLIssuerName

    Description: The Name of the Issuer in the certificate sent from the remote system.
    Identifier: MQCA_SSL_CERT_ISSUER_NAME
    Data type: MQCFST
    Maximum length: MQ_DISTINGUISHED_NAME_LENGTH
    Returned: Whenever the channel is using TLS and the client has not connected anonymously.

    ClientUserIdentifier

    Description: Client side user identifier of the partner attempting to establish connection.
    Identifier: MQCACH_CLIENT_USER_ID
    Data type: MQCFST.
    Maximum length: MQ_USER_ID_LENGTH
    Returned: Only for inbound client connections, if the Reason Qualifier is not MQRQ_CHANNEL_BLOCKED_ADDRESS. In that case the inbound connection is blocked before the client user Id name is known.

    ApplType

    Description: Type of application that made the API call.
    Identifier: MQIA_APPL_TYPE
    Data type: MQCFIN.
    Returned: Only for inbound client connections. If the Reason Qualifier is not MQRQ_CHANNEL_BLOCKED_ADDRESS. In that case the inbound connection is blocked before the application name is known.

    ApplName

    Description: Name of the application that made the API call.
    Identifier: MQCACF_APPL_NAME
    Data type: MQCFST.
    Maximum length: MQ_APPL_NAME_LENGTH
    Returned: Only for inbound client connections. If the Reason Qualifier is not MQRQ_CHANNEL_BLOCKED_ADDRESS. In that case the inbound connection is blocked before the application name is known.

Parent topic: Event message descriptions