Fred Posner (blog)

VoIP

APIBAN Now Has IPset

Posted . ~2min read. | Tagged: Kamailio SIP Security APIBAN

APIBAN helps prevent unwanted SIP traffic by identifying addresses of known bad actors before they attack your system. IPsets (lists of IPs) can be used by many firewalls, iptables, and appliances (such as pfsense, opnsense, etc.) to block unwanted traffic to your network.

Handling Non-SIP Attacks With Kamailio

Posted . ~3min read. | Tagged: Kamailio SIP Security

The core parser of Kamailio helps protect your system against non-SIP traffic. But, theres even more you can and should do.

Handling SIP Flood Attacks Using Kamailio

Posted . ~3min read. | Tagged: Kamailio

The PIKE module within Kamailio helps protect your system against SIP Flood Attacks. But, theres even more you can and should do.

Simple TLS Gateway

Posted . ~2min read. | Tagged: Kamailio SIP tls

Well, 2020 is certainly a strange year… …

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Kamailio, RTPengine, Centos8

Posted . ~1min read.

Had to install kamailio and rtpengine on …

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ITEXPO 2020

Posted . ~1min read. | Tagged: itexpo Open Source

Had a great time visiting with members of …

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Coming Soon: ITEXPO

Posted . ~1min read. | Tagged: itexpo Kamailio

From February 11th through 15th, 2020, …

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Go vs Node

Posted . ~2min read. | Tagged: Perl

I’m not a programmer. Never tried to pass …

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Astricon 2019 Thoughts

Posted . ~4min read. | Tagged: Asterisk Astricon Open Source

TL;DR A few weeks ago, I had some strong …

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Fred and Dan on ClueCon Weekly

Posted . ~1min read. | Tagged: cluecon

A special spooky episode of ClueCon Weekly …

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