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Pascal,

On 5/4/15 10:56 AM, pascal wrote:
> This was all done with tomcat-7.0.27 (sorry for being behind)
>> 
> 
> I just tried with 8.0.21 with the same result. I would even
> appreciate a "don't bother trying" response from someone with 
> better insight into the code. I'm also not complaining about a
> missing feature, the only bug may be in the documentation :-)

If possible, please repeat your tests with 7.0.latest. Tons of fixes
have been made to the clustering components within Tomcat.

That being said, I don't believe there are any supported options for
secure communications for clustering.

If you are using static membership, you could use stunnel or OpenVPN
or something similar to encrypt your traffic. I'm not sure if OpenVPN
can tunnel multicast, but if you have a network interface (and
therefore IP address) that is exclusively for accessing OpenVPN, then
you should be able to encrypt the traffic regardless of the type (TCP,
UDP, ICMP, unicast, multicast, etc.).

(I could be wrong about everything, here. I've never set up clustering
with Tomcat and am by no means an expert.)

Thanks,
- -chris
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