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SIP security for engineers  |    A 2 day   hands on   training course

SIP security training course description

A hands-on course covering SIP security. It is assumed that delegates already know SIP as this course focuses purely on the security issues in SIP IP telephony networks. Hands-on practicals follow each major theory session and include use of various SIP security tools such as vomit, sipp, sipsak and sivus amongst others.

What will you learn
  • Secure SIP networks
  • Use various SIP security tools
SIP security training course details
  • Who will benefit:
  • Technical staff working with SIP.
    Technical security staff.

  • Prerequisites:
  • SIP for engineers

  • Duration
  • 2 days

  • Dates & prices
  • Click here

SIP security training course contents

  • SIP review
  • SIP infrastructure and entities, example SIP session.
    Hands on Simple SIP network with and without authentication.

  • SIP security attacks
  • DOS attacks, infrastructure attacks, eavesdropping, spoofing, replay, message integrity.
    Hands on Basic SIP packet capture, infrastructure attacks.

  • SIP tools
  • SIP packet creation: Sivus, SIPsak, PROTOS, SFTF, SIP bomber, SIPp, Seagull, Nastysip. SIP packet generators: SIPNess, NetDude. Monitoring: Wireshark, Cain & Abel, Vomit, Oreka, VoiPong. Scripts and tools: SIP-Fun, Skora.net, kphone-ddos, sip-scan, sip-kill, sip-redirectrtp. Health of different tools.
    Hands on Generating SIP packets, rebuilding conversations from captured packets, password cracking.

  • VPNs and SIP
  • IPSec, AH, ESP, transport mode, tunnel mode, Pre Shared Keys, Public keys.
    Hands on SIP calls over IPSec.

  • Secure SIP signaling
  • SIP relationship with HTTP, Deprecated HTTP 1.0 basic authentication, HTTP 1.1 Digest authentication, S/MIME, SIPS, SIPS URI, TLS, DTLS, PKI infrastructures.
    Hands on SIP with TLS.

  • Secure media streams
  • SRTP, features, packet format, default encryption, default authentication, key distribution. S/MIME, MIKEY, SDP security descriptions. SIP security agreements.
    Hands on Analysing SRTP packets.

  • Firewalls
  • NAT traversal. Impact of firewall on infrastructure attacks. TLS and firewalls. SIP specific firewalls.
    Hands on SIP calls through a firewall.

Learning path



Based on overall ratings

B. M. - London Internet Exchange

"Excellent presentation - very good course structure."

J. S. - Framestore CFC

"Hard concepts were explained very simply."

Training approach

This structured course uses Instructor Led Training to provide the best possible learning experience. Small class sizes ensure students benefit from our engaging and interactive style of teaching with delegates encouraged to ask questions throughout the course. Quizzes follow each major section allowing checking of learning. Hands on sessions are used throughout to allow delegates to consolidate their new skills.