VoIP
APT fails: NO_PUBKEY
Posted . ~1min read.
Sometimes a public key failure ruins an apt update. Most times, it can be resolved quickly.
Continue Reading »Kamailio Install Module Git
Posted . ~1min read.
Quick tip: Installing a single Kamailio module from git is a straight forward process.
Continue Reading »Freeswitch 1.10.7 Released
Posted . ~1min read.
The major announcement at ClueCon 2021 was the release of FreeSWITCH 1.10.7.
Continue Reading »APIBAN Now Has IPset
Posted . ~2min read.
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.
Continue Reading »Handling Non-SIP Attacks With Kamailio
Posted . ~3min read.
The core parser of Kamailio helps protect your system against non-SIP traffic. But, theres even more you can and should do.
Continue Reading »Handling SIP Flood Attacks Using Kamailio
Posted . ~3min read.
The PIKE module within Kamailio helps protect your system against SIP Flood Attacks. But, theres even more you can and should do.
Continue Reading »Simple TLS Gateway
Posted . ~2min read.
Well, 2020 is certainly a strange year… Some of us have been working from home for a very long time while others are now just understanding the benefits. Of course, when a drastic change in work environment becomes a forced change, the implementation can be quite daunting.
Continue Reading »Kamailio, RTPengine, Centos8
Posted . ~1min read.
Had to install kamailio and rtpengine on centos8 recently… hopefully this saves you some time:
https://github.com/fredposner/scripts/blob/master/kamailio/centos8_install.md
Continue Reading »ITEXPO 2020
Posted . ~1min read.
Had a great time visiting with members of the open source VoIP community in Fort Lauderdale for open source world / itexpo 2020.
I was excited to discuss Kamailio and other aspects of communication as well as get some important hardware discussions in person… it’s an interesting time as hardware and software vendors seem to be merging left and right.
Continue Reading »Coming Soon: ITEXPO
Posted . ~1min read.
From February 11th through 15th, 2020, Open Source World (or open source summit?) will be colocated at ITEXPO 2020 in beautiful Fort Lauderdale, Florida.
This year, I will be speaking the gospel of Kamailio with a presentation entitled, “Using Kamailio to Secure Your Communications” (currently scheduled for February 13th at 3pm).
Continue Reading »