Reprinted from TidBITS by permission; reuse governed by Creative Commons license BY-NC-ND 3.0. TidBITS has offered years of thoughtful commentary on Apple and Internet topics. For free email subscriptions and access to the entire TidBITS archive, visit http://www.tidbits.com/ OS X Server 5.0.15 Agen G. N. Schmitz Apple has released [1]OS X Server 5.0.15, which has been updated for compatibility with OS X 10.11.1 El Capitan (see '[2]Apple Releases OS X 10.11.1 to Fix Microsoft Office 2016 Crashes,' 21 October 2015). The update also improves support in the Web service for handling certain custom Apache configurations, adds support for two-factor authentication in the Xcode service, makes enhancements to the OS X Server iOS file sharing service, and improves the Profile Manager. According to this [3]Apple security note, the release also patches multiple vulnerabilities in versions of the BIND DNS server prior to 9.9.7-P3 and a vulnerability related to an HTTP header field reference missing from a configuration file. ($19.99 new, free update, 203 MB, [4]release notes, 10.10.5+) References 1. https://itunes.apple.com/us/app/os-x-server/id883878097?mt=12&at=10l5PW 2. http://tidbits.com/article/16031 3. https://support.apple.com/en-us/HT205376 4. https://support.apple.com/en-us/HT205361 .