z/OS Communications Server: IP Messages Volume 2 (EZB, EZD)
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EZD1151I

z/OS Communications Server: IP Messages Volume 2 (EZB, EZD)
SC27-3655-01

EZD1151I
KeyExchangeAction actionname prevents the creation of a dynamic tunnel with source data endpoint specification source_ip and destination data endpoint specification dest_ip

Explanation

Dynamic tunnel activation is denied as a result of a configured source or destination data IP address constraint. See the information about the KeyExchangeAction statement in z/OS Communications Server: IP Configuration Reference for an explanation of data address constraints.

In the message text:
actionname
The name of the KeyExchangeAction statement configured with a source or destination IP address constraint.
source_ip
The source IP address of the dynamic tunnel.
dest_ip
The destination IP address of the dynamic tunnel.

System action

The dynamic tunnel activation fails; IKE daemon processing continues.

Operator response

Contact the system programmer.

System programmer response

If the tunnel activation should be permitted, then do one of the following to correct the configuration.
  • When IPSec policy is configured with the IBM® Configuration Assistant for z/OS® Communications Server, add a connectivity rule with a local data endpoint that matches the source_ip value and a remote data endpoint that matches the dest_ip value at the top of the rule list.
  • When IPSec policy is configured without the IBM Configuration Assistant for z/OS Communications Server, update the KeyExchangeAction ConstrainSource or ConstrainDest configuration to include the source_ip value and the dest_ip value. See the information about Policy Agent and policy applications in z/OS Communications Server: IP Configuration Reference for more information about configuring policy.

If the tunnel activation should not be permitted, then determine whether the tunnel was activated locally or remotely. If the source_ip value matches the IP address value in the Local IPSec Client ID information from the Security Association (SA) Context Information that was output with the message, then the tunnel was activated locally. Otherwise, the tunnel was activated remotely. If the tunnel was activated locally but should not be permitted, then correct the local IpFilterPolicy statement to block the activation. See the information about Policy Agent and policy applications in z/OS Communications Server: IP Configuration Reference for more information about configuring the IpFilterPolicy statement. If the tunnel was activated remotely but should not be permitted, then contact the owner of the remote system to request that the activation be blocked on that system.

User response

Not applicable.

Problem determination

Not applicable.

Source

z/OS Communications Server TCP/IP: IKE daemon

Module

policymgr.cpp

Routing code

Not applicable for syslog message.

Descriptor code

Not applicable for syslog message.

Automation

This message goes to the syslog.

Example

Jun 19 22:34:08 MVS073 IKE: Message instance 3:  *** SA Context Information *** 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Phase 2 SAID : 0          Assoc P1 ID : 2 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Stackname : TCPCS1   
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Local IPSec Client ID info  : Ipv4 1.1.0.1 Port: Any 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Remote IPSec Client ID info : IPV4 Subnet 0.0.0.0/0 Port: Any 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Local IPSec IP info : 1.1.0.1 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Remote IPSec IP info : 1.2.0.1 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  Protocol : UDP(17) 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  LocalDynVpnRuleName : udpvpn1 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  AH SPIs in/out : 0 / 0 
Jun 19 22:34:08 MVS073 IKE: Message instance 3:  ESP SPIs in/out : 0 / 0 
Jun 19 22:34:08 MVS073 IKE: Message instance 3: EZD1151I KeyExchangeAction ConstrainedAction1 prevents the 
    creation of a dynamic tunnel with source data endpoint specification 1.1.0.1 and destination data endpoint 
    specification 0.0.0.0/0 

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