corq  

Ubuntu Adopts Chrony + NTS for Secure Network Time omgubuntu.co.uk/2025/06/ubuntu #omgubuntu

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Dominik
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@corq
NTS uses the port 4460/TCP for its NTS KeyExchange, in addition to the normal port 123/UDP for NTP, to allow for authenticated time synchronization. Time is a critical factor in cryptography and needs to be trusted, e.g. when checking certificate validity or when enabling DNSSEC.

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corq  

@dominik Agree. Am alumni from a gov't SOC in a previous life, and they took this seriously.

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