Last month Candy was arrested on suspicion of having doing online porn webcam shows, but Candy refused to confess to her crime. The Police extracted data from her iPhone and found lots of chat messages in Skype’s database – main.db. Unfortunately the…

As we know that WeChat will wipe deleted chat messages. That's why forensic guys could  not dig out any deleted chat messages in EnMicroMsg.db. Is it possible to let those deleted chat messages show up again? For performance's sake, WeChat will creat…

One of my friends asked me to do a favor for her. She said her friend deleted some important chat messages by “accident”, and her friend want to recover those deleted messages as soon as possible… I took a look at this android phone. My God, lots of…

Let me show you the WeChat version first. It is 6.3. What will happen to WeChat deleted chat messages? Take a look at "Blocks containing deleted data" and those deleted messages were wiped. What about WhatsApp? The version is 2.12.317. Fortunate…

Forensic is a strict science and we should let the evidence speak for itself. Several months ago I still could recovered Line deleted chat messages as below:…

The evidence is iPhone 5s with iOS 9.1 and not jail breaked. I use UFED to do advanced logical extraction just now. All I know is that suspect did use Naver LINE a lot. Unfortunately I did not recover any deleted LINE chat messages after advanced log…

A friend of mine she was frustarted in extracting WeChat chat messages from suspect's smartphone running Android 7.x. The situation is that no pattern lock/PIN/Password and USB debugging was enabled successfully. She tried every effort but in vain. N…

This article is from an interview with Zuhaib Siddique, a production engineer at HipChat, makers of group chat and IM for teams. HipChat started in an unusual space, one you might not think would have much promise, enterprise group messaging, but as…

First I'd like to let you know that my phone is Android 6.0 Marshmallow. So it works on the latest Android OS, no need to worry. As we know that the reason why we could not backup App data is “permission”. Take Naver LINE latest version 5.10.1 for ex…

Optimizing for Doze and App Standby In this document Understanding Doze Doze restrictions Adapting your app to Doze Understanding App Standby Using GCM to Interact with Your App Support for Other Use Cases Testing with Doze and App Standby Testing yo…

各种SKYPE网页代码,SKYPE在线代码 <a href="skype:账户?chat" target="_blank">开始 Skype 文字聊天</a><a href="skype:账户?userinfo" target="_blank">查看 Skype 资料</a><a href="skype:账户?add" target="_bla…

Facebook Chat, offered a nice set of software engineering challenges: Real-time presence notification: The most resource-intensive operation performed in a chat system is not sending messages. It is rather keeping each online user aware of the online…

It's reported that FB Messenge is the most secure App for instant messaging service. Let's see if FB messenger is secure enough or not. I'll evaluate it according to OWASP Mobile Top 10 risks. The first one of OWASP Moble Top ten risks is M1- "Insecu…

QQ is one of the most popular chat App in the world. Now let me show you how to extract QQ from iPhone and analyze it. The version of iOS is 9.3.2 and the version of QQ is 6.5.3. As you could see that QQ saved lots of important info in the text forma…

A friend of mine asked me help him to examine his Android 5.0 smartphone. He did not say what's wrong with his phone, and he just wonder why his wife know everything he chat on the phone, and where he has been. I'd like to help him to figure out if a…

目录 ELK Stack 介绍 Elasticsearch 概念1(基础) CRUD基本用法 概念2(文本解析器) 查询 分析/聚合 概念3(架构原理的补充) Logstash基础 Kibana的数据可视化 Discover Visualization Dashboards(略) Timelion Metricbeat 部署和配置 ELK Stack 本文基于ELK 6.0,主要针对Elasticsearch和Kibana. 介绍 Elasticsearch is a realtime, dis…

Line is one of the most popular messaging Apps, especially in Asia. On March 3 I downgraded the app LINE to an earlier version and extract the database successfully. Later this apk downgrade method feature became available in UFED as shown in UFED 5.…

(postfix+dovecot+mysql+extmail) 理论基础:…

mod_event_socket     Skip to end of metadata   Created by John Boteler, last modified by Niek Vlessert on Nov 14, 2014 Go to start of metadata   About mod_event_socket is a TCP based interface to control FreeSWITCH. The default values are to bind to…

关键字:NodeJS,Express,Socket.io. OS:Windows 8.1 with update pro. 1.安装NodeJS:http://nodejs.org/. 2.初始化一个NodeJS web应用: 打开CMD窗口. 运行cmd:“mkdir myapp”,新建一个文件夹,名为myapp. 运行cmd:“cd myapp”,切换到文件夹myapp. 运行cmd:“npm init”,创建文件package.json. 3.Express入门应用: 在上面的CMD窗口运…

Beej's Guide to Network Programming Using Internet Sockets Brian "Beej Jorgensen" Hallbeej@beej.us Version 3.0.15July 3, 2012 Copyright © 2012 Brian "Beej Jorgensen" Hall Contents 1. Intro 1.1. Audience 1.2. Platform and Compiler 1.3. …

Building Web Apps with SignalR, Part 1 In the first installment of app-building with SignalR, learn how to build a real-time chat application. By Eric Vogel 01/22/2013 GET CODE DOWNLOAD More on this topic: Building a Chat Web App with Signal R, Part…

转自:http://www.raywenderlich.com/32963/apple-push-notification-services-in-ios-6-tutorial-part-2 Update 4/12/2013: Fully updated for iOS 6 (original post byMatthijs Hollemans, update by Ali Hafizji). This is the second part of a 2-part tutorial series…

首先创建 WPF Server 端,新建一个 WPF 项目 安装 Nuget 包 替换 MainWindows 的Xaml代码 <Window x:Class="WPFServer.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"…

目录 前言&介绍 安装Pomelo 创建项目并启动 创建项目 项目结构说明 启动 测试连接 聊天服务器 新建gate和chat服务器 配置master.json 配置servers.json 配置adminServer.json 解决服务器分配问题 实现gate.gateHandler.queryEntry 实现chat服务器chatRemote.js 实现chat服务器chatHandler.js 实现connector中entryHandler.js 运行 编写web聊天客户端测试 写在之后…

http://curella.org/blog/2012/jul/17/django-push-using-server-sent-events-and-websocket/ The goal of this article is to explore and show how it's possible to implement Server-Sent Events and WebSocket with Django. There are other implementations out t…

Design篇 Notifications The notification system allows users to keep informed about relevant and timely events in your app, such as new chat messages from a friend or a calendar event. Think of notifications as a news channel that alerts the user to im…

MockWebServer是一个可脚本化的用于测试HTTP客户端的Web服务器.主要用于测试你的应用在进行HTTP.HTTPS请求时是否按照预期的行为动作.使用该工具,你可以验证应用的请求是否符合预期,你可以选择返回的响应. MockWebServer包含了所有的HTTP栈,所以可以测试所有的事.甚至可以直接将真实Web服务器中的HTTP响应内容复制过来,以创建相应的测试用例.此外,还可以测试应用在糟糕的网络环境下的表现,比如500错误或者响应返回缓慢. http://blog.csdn.net…

前言&介绍 Pomelo:一个快速.可扩展.Node.js分布式游戏服务器框架 从三四年前接触Node.js开始就接触到了Pomelo,从Pomelo最初的版本到现在,总的来说网易出品还算不错,但是发展不算快:用它做过一些项目和小游戏表现还不错. 用它的主要好处: 1. 入门简单,有比较丰富的文档和示例(虽然现在看版本也比较老了,但是入门没什么问题) 2.分布式多进程且扩展简单(单进程多线程,每个服务器都是一个Node进程,通过配置文件就可以管理集群) 3.可以不去关注底层和网络相关逻辑,聚焦业…

一.关闭数据库和资源 1.节点1 [root@node1 bin]# pwd /u01/app/11.2.0/grid/bin [root@node1 bin]# ./crsctl stop crs CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'node1' CRS-2673: Attempting to stop 'ora.crsd' on 'node1' CRS-2…