Clusters - Disabling or restricting autodiscovery via multicast (security question)

2005-08-13 Thread ryan boyd
When using tomcat clusters on an untrusted subnet or using a routable multicast address, i see the potential for a rogue tomcat instance to join a cluster in order to hijack session information. This doesn't seem to be cured by any firewalling of incoming connections to the valid servers, as,

Clusters - Disabling or restricting autodiscovery (security question)

2005-07-13 Thread ryan boyd
When using tomcat clusters on an untrusted subnet or using a routable multicast address, i see the potential for a rogue tomcat instance to join a cluster in order to hijack session information. This doesn't seem to be cured by any firewalling of incoming connections to the valid servers, as,

Clusters - Disabling or restricting autodiscovery

2005-07-12 Thread ryan boyd
When using tomcat clusters on an untrusted subnet or using a routable multicast address, i see the potential for a rogue tomcat instance to join a cluster in order to hijack session information. Is there any way to restrict autodiscovery of cluster membership to a known list of IPs or disable