Posts Tagged ‘security’

FPrint is a PPA with packages for fingerprint-based authentication. Website includes good documentation on how to install and set it up.

Friday, October 25th, 2013 at 04:56 | 0 comments
Categories: Linux

Changing the port number of SSH daemon is a quick way of reducing the number of SSH brute force attacks your server might face (check the file /var/log/auth.log to see if there are many failed SSH login attempts). Just to be on the safe side, create a backup copy of the SSH daemon config file. […]

Friday, September 3rd, 2010 at 08:56 | 0 comments
Categories: Linux

Password proliferation is a serious problem on the web today. Most websites require users to register and create a username/password combination for future authentication. Unfortunately not many websites support reusable logins such as OpenID. The main problem is that of human memory. It is of course not reasonable to expect the user to remember 100+ […]

Saturday, July 31st, 2010 at 04:07 | 0 comments
Categories: Linux, Web, Windows

Sometimes you may want to log in with a different user account in Terminal without logging out from your X session or switching to an unused virtual console. There are two different approaches to do this in Ubuntu: interestingly, it is possible without even knowing the other user’s password. Approach 1: if you know the […]

Thursday, April 30th, 2009 at 16:03 | 0 comments
Categories: Linux

This article on The Register has a link to a very good page on CentOS website with tips on securing OpenSSH. The tips are applicable for all distros, not just CentOS, and are definitely worth going through and implementing if you have SSH enabled on your server. Good luck and stay secure.

Monday, April 20th, 2009 at 02:35 | 0 comments
Categories: Linux