Archive

Posts Tagged ‘Debian’

Setting up exim with AUTH LOGIN, AUTH PLAIN and AUTH CRAM-MD5 with Debian

November 23rd, 2010 3 comments

Hello everyone,

I faced recently lots of trouble while setting up a Debian box with exim.

Obviously, the documentation was outdated or incomplete on some aspect, and I lost so many time searching “WTF my exim4 is not making AUTH PLAIN, AUTH LOGIN and/or AUTH CRAM-MD5″ that I though it would be good to share the solution with you guys.

I know some of you would say “Damn dude, this is insecure to do it!” and you are right (except perhaps for CRAM-MD5 which add little more complexity than LOGIN), but anyway, here is a 1st shot on “how to make it work simple” before you finally set SSL on it.

Also, some people might use port with authentication, because their lossy client / provider don’t support SSL. (This is probably the case with some mobile phone… I believe)

Read more…

Categories: Linux, Mail, Security Tags: , ,

Tuning your MySQL server for free

June 3rd, 2010 No comments

Greeting all,

I had to tune my personal MySQL server recently, and I found a nice tool which helps and advise you for free on the basic way to do it…

Read more…

Categories: Debian, MySQL, Performance Tags: , ,

How to secure your webserver against SYN flooding and DoS attack

April 24th, 2010 7 comments

Hello,

It has become popular nowdays to receive incoming attack from foreign server, with the only goal to discard all access / connections to your server. Those attack are generally call “DoS” or “Denial of Service” attack.

Today, I’ll give you a few tricks to reduce impact of such impact on your linux server. Keep in mind that there are no solutions to discard those types of attack, and the tricks I give you today only reduce impact it can have on your server…

Read more…

Setting up PHP 5.3 with a Debian Lenny

April 16th, 2010 3 comments

Greeting people !

Today I’ll show you how it’s simple to setup PHP 5.3 on a Debian Lenny.

Read more…

Categories: Debian, Linux, MySQL, PHP Tags: , ,