r5 - 2005-03-27 - 13:14:15 - TWikiContributorYou are here: NTP >  TWiki Web > TWikiFAQ > SimultaneousEdits
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-4.2.8p13 was released on 07 March 2019. It addresses 1 medium-severity security issue in ntpd, and provides 17 non-security bugfixes and 1 other improvements over 4.2.8p12.

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.

FAQ:

What happens if two of us try to edit the same topic simultaneously?

Answer:

TWiki allows multiple simultaneous edits of the same topic, and then merges the different changes automatically. You probably won't even notice this happening unless there is a conflict that cannot be merged automatically. In this case, you may see TWiki inserting "change marks" into the text to highlight conflicts between your edits and another person's. These change marks are only used if you edit the same part of a topic as someone else, and they indicate what the text used to look like, what the other person's edits were, and what your edits were.

TWiki will warn if you attempt to edit a topic that someone else is editing. It will also warn if a merge was required during a save.

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