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add note about opting individual pods out of dns-proxy (#16799) 

Signed-off-by: Ian Rudie <ian.rudie@solo.io>
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Ian Rudie 2025-08-21 10:34:24 -04:00 committed by GitHub
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content/en/docs/ops/configuration/traffic-management/dns-proxy/index.md
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@ -26,6 +26,8 @@ DNS proxying is enabled by default in ambient mode from Istio 1.25 onwards.
For versions prior to 1.25, you can enable DNS capture by setting `values.cni.ambient.dnsCapture=true` and `values.pilot.env.PILOT_ENABLE_IP_AUTOALLOCATE=true` during installation. For versions prior to 1.25, you can enable DNS capture by setting `values.cni.ambient.dnsCapture=true` and `values.pilot.env.PILOT_ENABLE_IP_AUTOALLOCATE=true` during installation.
Individual pods may opt-out of global ambient mode DNS capture by applying the`ambient.istio.io/dns-capture=false` annotation.
### Sidecar mode ### Sidecar mode
This feature is not currently enabled by default. To enable it, install Istio with the following settings: This feature is not currently enabled by default. To enable it, install Istio with the following settings: