Fun fact, DNS errors
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‎12 May 2023
11:44 AM
- last edited on
‎13 Jun 2023
07:20 AM
by
MaciejNeumann
Hello,
If you see DNS errors on a HOST, and start tracing to get the perpetrator. It could be that you discover that OneAgent is trying to connect to an ActiveGate that is not available on the current network (-;
Then you know your time has come to implement "Network Zones":
https://www.dynatrace.com/support/help/manage/network-zones
KR Henk
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‎12 Jun 2023 12:57 PM
More fun (-;
Oneagent does IPV6 queries, does anybody know how to turn this off?
KR Henk
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‎12 Jun 2023 01:02 PM
I believe this is due to the OS itself, configured to support IPv6. Depending on your case you can configure the ActiveGate to announce only IP address instead of hostname. The OneAgents won't resolve the hostname.
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‎12 Jun 2023 01:09 PM
Hello @henk_stobbe. You can deactivate the IPv6 stack if you are not using it inside your network.
- https://www.techrepublic.com/article/how-to-disable-ipv6-on-linux/
- https://networking.grok.lsu.edu/Article.aspx?articleid=17573
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‎12 Jun 2023 04:57 PM
If you don't have IPv6 connectivity, disabling it is the best thing you can do 🙂
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‎12 Jun 2023 03:42 PM
I will discuss with the customer! Great replies thx!
