On Tue, Mar 31, 2020, 22:40 Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote:
Am 31.03.20 um 20:32 schrieb Jędrzej Dudkiewicz:
> but I understand that
> systemd-timesyncd always uses unprivileged source port?
what else?
NTP has a "Symmetric Active" mode, where both peers use port 123 as source *and* destination.
(It even seems that old NTPv1 actually determined the mode based on nothing else but sport&dport.)
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