# Network Time Protocol: TCP Services

**URL:** <https://community.nwtime.org/t/network-time-protocol-tcp-services/342>\
**Category:** Documentation\
**Created:** [February 12, 2026, 3:56pm UTC](https://community.nwtime.org/t/network-time-protocol-tcp-services/342 "2026-02-12T15:56:09Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Dru](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nwtime.org/dru/32/337_2.png) [@Dru](https://community.nwtime.org/u/Dru)\
**Post date:** [February 12, 2026, 3:56pm UTC](https://community.nwtime.org/t/network-time-protocol-tcp-services/342/1 "2026-02-12T15:56:09Z")

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> **[Network Time Protocol: TCP Services](https://www.ntp.org/documentation/ietf/ntp-tcp-services/)**
>
> Traditionally, NTP has only used UDP. Since UDP packets have length limits, and there are rate limits imposed by the protocol specification, TCP can be used for efficient exchange of larger data packets and to perform better authentication and...