r3 - 2004-10-30 - 10:00:00 - RobDayYou are here: NTP >  Dev Web > BitKeeperNotes > BkSCCSFiles
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.
When you first clone a BK repo, the directory structure is there but the files typically aren't; they're normally initially under SCCS control in their respective SCCS/ directories. A summary of these SCCS file types is found in bk helptool under the files entry, but the only ones of interest here are, as an example:

  • SCCS/s.foo.c, the "s.file", which contains the revision history of all versions of a given file, and
  • foo.c, the corresponding "gfile" or "gotten" file, the file you'd get after checking out the s.file

If you're going to work with a file, you'd normally check out that file to get its respective s.file, but there are a number of things you can query about a file just based on its gfile name without actually having to check it out, as you'll see shortly.

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