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Archives for : fail2ban

Protecting your WordPress from attacks

This site you are accessing is an installation of the Wordpress. I like the ease of it.

WordPress is really good at producing a blog quickly in a VPS or Cloud, but its ease is also its biggest defect.

How simple it is to have a website with it, the vast majority of pages present on the internet are made using it and consequently this attracts those looking for flaws in the programming of its open source.



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Servidor de Email –; Part 1 ; Necessary facilities

I have my own mail server using Postfix, Dovecot, MariaDB, SpamAssassin, ClamAV, Amavisd-new, fail2ban, nginx, postfixadmin and RoundCube under CentOS 7.
Although it has several recipes for how to configure this package, It took me many hours to figure out how to keep the service running correctly, each setting in main.cf and master.cf and in order to achieve in reducing the flood of spam that arrives every minute.
And anti-spam is the focus of this publication. I have suffered and still suffer with the constant attempts to use my services as a zombie or shedding of viruses, fraud and everything else you can.

I lost count of how many times my DNS service stopped by excess of connection attempts to entupiam the memory and forced the s.. cutting processes to conserve resources and the named was chosen for being the weakest link.
So, This article has focus in the proper configuration for private mail services, a few users and few domains. Certainly a lot of what is in this short manual serves to world-class services, but I believe that for these cases the use of tools or dedicated and specialized services should always be taken into consideration.



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