Overview
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.
Prerequisites
Delegates will learn how to
By the end of the course delegates will be able to:
- Secure SIP networks
- Use various SIP security tools
Outline
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.
Frequently asked questions
How can I create an account on myQA.com?
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Find more answers to frequently asked questions in our FAQs: Bookings & Cancellations page.
How do QA’s virtual classroom courses work?
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QA online courses, also commonly known as distance learning courses or elearning courses, take the form of interactive software designed for individual learning, but you will also have access to full support from our subject-matter experts for the duration of your course. When you book a QA online learning course you will receive immediate access to it through our e-learning platform and you can start to learn straight away, from any compatible device. Access to the online learning platform is valid for one year from the booking date.
All courses are built around case studies and presented in an engaging format, which includes storytelling elements, video, audio and humour. Every case study is supported by sample documents and a collection of Knowledge Nuggets that provide more in-depth detail on the wider processes.
When will I receive my joining instructions?
Joining instructions for QA courses are sent two weeks prior to the course start date, or immediately if the booking is confirmed within this timeframe. For course bookings made via QA but delivered by a third-party supplier, joining instructions are sent to attendees prior to the training course, but timescales vary depending on each supplier’s terms. Read more FAQs.
When will I receive my certificate?
Certificates of Achievement are issued at the end the course, either as a hard copy or via email. Read more here.