July 2016
Intermediate to advanced
300 pages
6h 49m
English
Content preview from Mastering FreeSWITCHBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Fail2ban on all services
Fail2ban is a tool designed to monitor systems' log files and to trigger actions in case it detects traces of something suspicious. It is widely considered as an intrusion prevention tool. Many log files from different programs can be monitored at once, meaning that you can monitor as many different services as you want (including FreeSWITCH, of course). Various kinds of reactions can be configured to be triggered.
The configuration of fail2ban relies on three different concepts: Filters, actions and jails. A "filter" is a set of regular expressions used to identify suspicious behaviors in the monitored log file. As log lines are generally specific to each service, you will probably have one filter per service you want ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.