r1 - 2009-06-13 - 03:39:39 - HarlanStennYou are here: NTP >  Main Web > CodeAudit
NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to use in a distributed denial-of-service (DDoS) attack. Please also take this opportunity to defeat denial-of-service attacks by implementing ingress and Egress filtering through BCP38.

ntp-4.2.8p4 was released on 21 October 2015, and addresses 13 low- and medium-severity security issues and provides about 100 bugfixes and enhancements over 4.2.8p3.

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.

Code Audit

The NTP Codebase undergoes security and defect audits from a number of sources, including:

Area By Dates
Protocol and core code David L. Mills 1985 - present
codebase http://www.coverity.com Mar 2006 - present
codebase http://calysto.org Jun 2007 - Sep 2008
codebase http://veracode.com Feb 2009 - present

Additionally, a number of project developers and interested parties in the Internet Community routinely scan the code looking for problems.

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