Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases now! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Mastering FreeSWITCH

You're reading from   Mastering FreeSWITCH Advanced tips and tricks for advanced multimedia communication

Arrow left icon
Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781784398880
Length 300 pages
Edition 1st Edition
Languages
Concepts
Arrow right icon
Authors (8):
Arrow left icon
Darren Schreiber Darren Schreiber
Author Profile Icon Darren Schreiber
Darren Schreiber
Russell Treleaven Russell Treleaven
Author Profile Icon Russell Treleaven
Russell Treleaven
Kalyani Kulkarni Kalyani Kulkarni
Author Profile Icon Kalyani Kulkarni
Kalyani Kulkarni
Seven Du Seven Du
Author Profile Icon Seven Du
Seven Du
Charles Bujold Charles Bujold
Author Profile Icon Charles Bujold
Charles Bujold
Ken Rice Ken Rice
Author Profile Icon Ken Rice
Ken Rice
Florent Krieg Florent Krieg
Author Profile Icon Florent Krieg
Florent Krieg
Mike Jerris Mike Jerris
Author Profile Icon Mike Jerris
Mike Jerris
+4 more Show less
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Typical Voice Uses for FreeSWITCH 2. Deploying FreeSWITCH FREE CHAPTER 3. ITSP and Voice Codecs Optimization 4. VoIP Security 5. Audio File and Streaming Formats, Music on Hold, Recording Calls 6. PSTN and TDM 7. WebRTC and Mod_Verto 8. Audio and Video Conferencing 9. Faxing and T38 10. Advanced IVR with Lua 11. Write Your FreeSWITCH Module in C 12. Tracing and Debugging VoIP 13. Homer, Monitoring and Troubleshooting Your Communication Platform Index

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 to protect (but it is not a rule). Then you have the "action": They describe what to trigger in case a filter matches a line. It can be for instance:

  • Block the attacker IP address in the iptable's firewall (most popular and useful)

  • Send an alarm message...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime