dns sip record

1. Introduction to the SIP protocol Many applications on the internet need to establish and manage a session. The session here refers to the exchange of data between participants. Considering the actual situation of participants, the implementation

SIP (Session Initiation Protocol) Conversation Initiation Protocol is an application layer control (signaling) protocol for network telephony and conferencing. It is mainly a multimedia communication protocol based on IP network. It can realize the

 Analysis of SIP route and record_route/SIP Routing Mechanism from: [url] Routing Analysis of SIP Routing Mechanism (zz)We have already introduced sip-related knowledge about important SIP header domains, registration processes, and session

Transferred from: blog.csdn.net/boy8239/article/details/1799542Author: boy8239 has already introduced sip-related knowledge about important SIP header domains, registration processes, and session processes. Now let's introduce the Routing Mechanism

Document directory Registering multiple user devices The via header, forking, loop prevention An example using proxies User location Let's step out of the SIP layers and see what we have so far: using the layers, we can now create and receive

In the previous article, we used the description of the SIP Routing Mechanism to understand the definition and concept of the SIP routing mechanism. Next, let's explain these abstract concepts to help you understand them. Next, we will use two SIP

* RFC 2327 (SDP: Session Description Protocol) * RFC 2782 (dns srv Resource Record) * RFC 3261 (SIP: Session Initiation Protocol) * RFC 3263 (locating sip servers) * RFC 3264 (an offer/Answer Model with SDP) * RFC 3265 (SIP-specific event

Session Initiation Protocol (SIP) is a control (signaling) Protocol for the application layer of Network calls and conferences. It is mainly a multimedia communication protocol based on an IP network. All the signaling functions it can implement

This article is about the PHP surface of the question two of the use of the transmission protocol, has a certain reference value, now share to everyone, the need for friends can refer to 1.HTTP (Hyper Text Transport Protocol): Hypertext Transfer

DNS cache poisoning attacks refer to attacks that trick the DNS server into believing the authenticity of forged DNS responses. This type of attack aims to redirect victims who depend on this DNS server to other addresses, for example, redirect all