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by justsomehnguy 44 days ago
> systemd-resolved was initially missing basic security best practices (source port randomization, if I remember correctly), despite their being well established and well known in the DNS community

https://lists.dns-oarc.net/pipermail/dns-operations/2016-Jun...

It was fixed in 2016. RFC5452 is 2009.

As the first paragraph states it's not a big problem for a local forwarder but all other bullet points are on the case.