VirtualBox DHCP nameserver for NAT network
VirtualBox is a great environment for testing networking tools such as opDNS. However, I did not get the VirtualBox DHCP server for NAT network to provide nameserver information, even though ...
Securing fetchmail with improved TLS parameters
fetchmail is the workhorse for downloading mail from legacy addresses. This does not mean that you want to be limited to legacy security for your passwords or mail contents. TLS ...
Upgrade ejabberd to the latest TLS security [UPDATE#2, 2014-06-05]
ejabberd is a very fine XMPP server. However, it has very few options to configure its SSL and TLS security settings away from the very weak OpenSSL defaults. The TLS ...
Upgrading Apache 2.2 OpenSSL security with TLS Interposer
Undoubtedly, you will have heard about the weaknesses of old SSL and TLS protocol versions and ciphers. Web browsers have been updated; but the server administrators are left alone: For ...
Eliminate BEAST, CRIME, Lucky13, RC4, SSLv3 weaknesses from binary/legacy applications
Security is hard. Security that works with a variety of platforms under a flurry of circumstances with an endless choice of applications is practically impossible. SSL and TLS, the Internet ...
Keep Time Machine backups from slowing down your server
Time Machine backups to a Linux machine running Netatalk is a very convenient way of safeguarding your data. However, the I/O load on the server machine can sometimes become very ...
Ubuntu Apache update broke „Listen“ command
[Updated 2013-07-28: Corrected „https“ to „http“ in Listen] After a recent Apache update, Apache 2.2.22 (on Ubuntu 12.04 LTS „precise“) the following message appeared in the Apache error log: [error] ...