r5 - 2001-03-16 - 09:05:34 - PeterThoenyYou are here: NTP >  TWiki Web > TWikiUsernameVsLoginUsername
NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to being used in distributed denial-of-service (DDoS) attacks. Please also take this opportunity to defeat denial-of-service attacks by implementing Ingress and Egress filtering through BCP38.

ntp-4.2.8p15 was released on 23 June 2020. It addresses 1 medium-severity security issue in ntpd, and provides 13 non-security bugfixes over 4.2.8p13.

Please see the NTP Security Notice for vulnerability and mitigation details.

Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.

TWiki Username vs. Login Username

This section only applies to you in case the server where NTP is installed is authenticated and on an Intranet.

NTP manages internally two usernames: Login username and Wiki username.

  • Login username: When you login to the Intranet you use your existing login username, i.e. pthoeny. This name is passed to NTP by the REMOTE_USER environment variable. NTP uses this name internally to log topic changes. Login usernames are maintained by your system administrator.
  • Wiki username: Is your name in WikiNotation, i.e. PeterThoeny. Your WikiName will be created when you register in TWikiRegistration; doing so will also create your personal home page.

Note: When you refer to a WikiName of a user (your own or somebody else's) be sure to specify the Users web in front of the Wiki username, e.g. write Users.WikiUsername or %MAINWEB%.WikiUsername. This assures that the name will be linked automatically to the NTP.Users web, even if the text is written in a different NTP web.

NTP can map the Intranet username to the Wiki username automatically, provided that the Login username and Wiki username pair has been entered in the TWikiUsers topic. This happens automatically when you register.

-- PeterThoeny - 16 May 2001

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