FreeSWITCH servers taken over in the wild through api-chat and fixed in 1.11.3, what we found reproducing coturn's August advisory batch, the RTC and telecom research from Hacker Summer Camp, voice AI...

APIBAN helps prevent unwanted SIP traffic by identifying addresses of known bad actors before they attack your system. The iptables client for apiban now supports ipset.

Simple REST API for blocking IP addresses that send unwanted SIP traffic. Powered by LOD.com.

Go based apiban client. Contribute to apiban/apiban-client-go development by creating an account on GitHub.

DragonForce ransomware tunnels its C2 through Microsoft Teams TURN relays, SySS releases the TURNado attack toolkit, coturn ships hardening and new CVEs, FRAFOS catches a toll-fraud campaign through m...

We recently talked about the efforts we devoted on tinkering with real-time media in MoQ, and in particular on how to bridge that to WebRTC and back. That post focused on our imquic library, the nativ...

YouTube video by Kamailio World

YouTube video by Kamailio World

nftables go client. Contribute to apiban/apiban-client-nftables development by creating an account on GitHub.

YouTube video by Kamailio World

Kamailio World 2026 will take place in Berlin, DE from May 7-8th, 2026. See you in Berlin!

nftables go client. Contribute to apiban/apiban-client-nftables development by creating an account on GitHub.

RTCSec newsletter for February 2026 covering Enable Security's TURN server security blog series, libvpx VP9 encoder heap overflow in Chrome and Firefox, Grandstream GXP1600 unauthenticated RCE with ca...

TURN servers are powerful proxies abused for internal network access, C2 operations, and DDoS attacks. Threat analysis from years of research and pentesting.

TURN servers are powerful proxies abused for internal network access, C2 operations, and DDoS attacks. Threat analysis from years of research and pentesting.

Happy New Year! Lets start 2026 off by looking at tha last year from an APIBAN point of view. The 2025 year in review.

January 2026 RTCSec newsletter: Cisco UCM zero-day, 39C3 telco talks, FreePBX web shell in the wild, Element Call, voice AI risks, Yealink RPS CVE, and more

YouTube video by FreeSWITCH

The upcoming version of Matrix Synapse drops support for PostgreSQL 13. This is how I upgraded our deployments.

YouTube video by FreeSWITCH

nftables go client. Contribute to apiban/apiban-client-nftables development by creating an account on GitHub.

July 2025 RTCSec newsletter: Rtpengine fixes, RTC conferences and showers of vulnerabilities

Cluecon, a conference centered around FreeSWITCH, VoIP, and WebRTC, will be held in Chicago from August 4-7th, 2025. This year, I will present regarding migrating users from FreeSWITCH to registering ...

CitrixBleed 2 — CVE-2025–5777 — has been under active exploitation to hijack Netscaler sessions, bypassing MFA, globally for a month.

nftables go client. Contribute to apiban/apiban-client-nftables development by creating an account on GitHub.

Kamailio World 2025 took place in Berlin, DE from May 12-13th, 20025. A great event with amazing presentations and community. Can't wait for Kamailio World 2026.

Curated VoIP and WebRTC security news, research and updates by Enable Security.

YouTube video by Kamailio World

Alt: kermit the frog is dancing in front of a red curtain with the words i 'm so excited !