2009-11-04
Simple shell script to block failed ssh attempts
Your pbx needs to be accessible by ssh, but it’s annoying have your log files filled with failed access attempts. Here’s how to block the script kiddies…
Category: Tips
2009-06-19
Asterisk Security: Use iptables to Block the Bad Guys
Having your asterisk server on the public internet saves you from dealing with NAT/firewall issues, but means you will have people wandering by and testing to see if your doors are locked. This article outlines how to block IP addresses that attempt to break into your system.
2008-09-17
Recording Phone Calls
Recording calls on a PBX is easy, since the audio is already in a digital form. This article outlines three ways to setup call recording (or “call monitoring” in asterisk-speak).
2009-06-19
Asterisk Security: Use iptables to Block the Bad Guys
Having your asterisk server on the public internet saves you from dealing with NAT/firewall issues, but means you will have people wandering by and testing to see if your doors are locked. This article outlines how to block IP addresses that attempt to break into your system.
2008-09-17
Recording Phone Calls
Recording calls on a PBX is easy, since the audio is already in a digital form. This article outlines three ways to setup call recording (or “call monitoring” in asterisk-speak).