# Network Time Protocol: TCP Services: Key Exchange

**URL:** <https://community.nwtime.org/t/network-time-protocol-tcp-services-key-exchange/341>\
**Category:** Documentation\
**Created:** [February 12, 2026, 3:55pm UTC](https://community.nwtime.org/t/network-time-protocol-tcp-services-key-exchange/341 "2026-02-12T15:55:46Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**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, 3:55pm UTC](https://community.nwtime.org/t/network-time-protocol-tcp-services-key-exchange/341/1 "2026-02-12T15:55:47Z")

</div>

> **[Network Time Protocol: TCP Services: Key Exchange](https://www.ntp.org/documentation/ietf/ntp-tcp-services-keyexchange/)**
>
> This document describes the Key Exchange commands that are included in the NTP TCP Services protocol, which is used to implement the Secure Network Time protocol.