See the GitHub issue relating to this.
You should reinstate these options now that you have resolved your faulty relay config.
You lost internet connection because dnscrypt-proxy crashed, and you were left without a dns resolver.
See above.
Yes, please.
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Thanks! ![:slight_smile: :slight_smile:](https://forum.openwrt.org/images/emoji/twitter/slight_smile.png?v=12)