Tag Archives: Network Ingress Filtering

Message Amplification & UDP Flooding with SIP

Asterisk, Linux, Python, Security, VoIP

DNS style message amplification using SIP requests to flood a server / host.

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Huawei BBU (Baseband Unit) for LTE/UMTS/GSM also known as the BTS 3900 / BBU 3900

EUTRAN, LTE, Mobile Networks

My used Huawei BTS3900 LTE RAN Adventure – The Impulse Purchase

EPC, LTE, Mobile Networks, SDM

Diameter Routing Agents (DRA)

Kamailio, Python, VoIP

Kamailio Bytes – Ansible for Automating Deployments

GSM MSC Architecture

GSM, Mobile Networks

GSM with Osmocom Part 8: The Mobile Switching Center

FreeSWITCH, VoIP

HTTP PUT call recordings from FreeSWITCH

EPC, IMS / VoLTE, Mobile Networks, SDM

FreeDiameter – Generating Certificates

Mobile Networks, Security, SIM Cards

SIM Card Sniffing with Wireshark

Kamailio Bytes – Working with Redis

Packet Gateway (P-GW) used in LTE EPC Networks

EPC, LTE, Mobile Networks

LTE EPC: Packet Gateway (P-GW) Basic Function

RFCs & Standards, VoIP

SIP Concepts – Record Routing