[dns-operations] AWS footnote: DNS firewall rules are UDP only

Fred Morris m3047 at m3047.net
Wed Jan 28 19:28:52 UTC 2015

I just noticed that when configuring firewall rules for an AWS instance,
if "DNS" is chosen then the (only) protocol automagically filled in is

To get TCP, you have to create a custom TCP rule.

When you save, the UDP one gets saved as "DNS", the TCP one stays "custom
TCP rule".


Fred Morris

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