![](/assets/images/picto-drapeau-france-3a76576a5d60a512053b4612ab58dae5.png)
2. Protection system for SIP protocol
SIP is a transactional protocol in which each transaction consists of a request and at least one response. An attacker will usually use a malformed message in a transaction or sequence of transactions to compromise a SIP device. They may also use a syntactically well-formed and semantically correct message to interrupt or cleanly terminate a session in progress between two or more users. A protection system must therefore be capable of protecting SIP equipment from malicious messages, whether malformed or not.
From a functional point of view, a protection system for the SIP protocol is either proactive or reactive. A proactive system prevents malicious messages, transactions or dialogs from reaching victims. Such a system can be implemented via a stateful model, whose role is to record the states, objects and messages of the SIP protocol during its activities, which...
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference
This article is included in
Networks and Telecommunications
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Protection system for SIP protocol
Bibliography
Websites
SecSIP project http://secsip.gforge.inria.fr
SIP Abuse http://aws.amazon.com/security/sip-abuse/
VoIPSA http://www.voipsa.org
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference