|Applies To||Authentication Manager 7.1|
Red Hat Linux AS/ES 4.0
Redhat Linux Advanced Server 4.0
Microsoft Windows 2003
Security-Enhanced Linux SELinux Security Enhanced Linux
|Issue||Unable to receive multicast packets sent to self|
Installation fails with error "Unable to receive multicast packets to self" or "unable to receive multicast packets sent to self"
RSA Authentication Manager 7.1 is built to support application server clustering and because of this even a standalone server is installed as a cluster of with a single managed server (plus its administration server). Clustering requires that multicast traffic be allowed and the install tests that the server can receive multicast packets.
RSA Authentication Manager 7.1 when installed will multicast on address 188.8.131.52 using UDP port 7841
On the Linux desktop for the root user go to Applications --> System settings --> Security level. On the firewall options tab make sure the primary interface is trusted (this usually means check ETH0). The install should now continue without error, no reboot or logout is required. Also verify that you have a default route (netstat -nr)
On Windows 2003 this will occur if the personal firewall on the machine as been enabled but that UDP 7841 has not been configured to be allowed through. This can be done either using the GUI administration of the firewall settings or with the following command line:
|Legacy Article ID||a40154|