GoogleCloudPlatform/kubernetes — pull request #2415 by hodduc (2014-11-17 13:19:30+00:00)
Title: Add SecurityGroupIngress on AWS CF template to allow UDP packets.

Flannel internally uses UDP (https://github.com/coreos/flannel).
To communicate with each others with internal IP (10.0.0.0/16), Internal UDP flows should be allowed by firewall, In this case, AWS security group.
This patch adds ingress allowing UDP 1~65535 from the security group itself.