intranet vs extranet

Relatively speaking, there is little information on the Internet, and few people write some detailed information about the Intranet penetration for the reference of their peers. Today, I am only going to give a general introduction to some Intranet knowledge. First, under what circumstances will we meet the Intranet? If your goal is only limited to a small WEB, y

Enterprise Network Security has been paid more and more attention. Not only has the Internet gradually strengthened its defense technology against enterprise networks, but also has been developing Intranet security in China for four years. Users and the market constantly improve and expand their understanding of user security, and the Intranet security technology is also being re-recognized. The

This article briefly introduces the advanced replication function of Oracle, and discusses how to use advanced replication to achieve data unification between the Intranet and the Internet through an actual project, finally, the configuration script is provided for your reference. 1. Basic Concepts OracleOracle is a large-scale relational database based on advanced Structured Query Language (SQL). It is a set of regular data manipulation in a language

An official introductionHttp://www.dns0755.net/Software:Http://www.dns0755.net/client/truehost.zipTrueHost of Intranet Professional Edition:Come "intranet Netcom" TrueHost is the second generation of internal network software released by come. It integrates the DirectSend tunnel technology pioneered by come to completely expose Intranet hosts to the Internet, the

A direct example of the use of the VI command saves forgettingTo edit the network card configuration fileVi/etc/sysconfig/network-scripts/ifcfg-enp2s0I don't know that NIC IP addr commandPs:centos 7.0 Minimized installation says that you don't have a network connection turned on, and you don't have a switch on the network connection. It's definitely not the one that's installed. Dynamically assign IP when configured to openPress the I key to enter edit mode the Insert typeface appears at the bot

First, peanut shell installation (before installation needs in the Peanut Shell website registration to get a free domain name, with this domain name, behind the outside network through access to this domain name to achieve SSH login Intranet Linux host)[[email protected] desktop]# wget http://download.oray.com/peanuthull/linux/phddns-2.0.6.el6.x86_64.rpm--2014-10-27 20:11:30--http://download.oray.com/peanuthull/linux/phddns-2.0.6.el6.x86_64.rpmParsin

Apt Local source build (can be used for LAN Apt-get source or local source) This document describes the use of Apt-mirror software to build apt local source requirements: Intranet development environment for its specific reasons can not Sisu network, So we need the local intranet source to make it easy for developers to download and install software recommendations: Use a single disk to store source files o

Because the company in the computer room hosting server IP is not enough, but also for security considerations, so that a number of virtual nodes can not directly access the Internet, so I xenserver physical nodes through the use of iptables NAT function made a simple implementation [Root@xenserver-cukxsegi ~]# sysctl net.ipv4.ip_forward=1 #开启转发[Root@xenserver-cukxsegi ~]# Echo ' net.ipv4.ip_forward=1 ' >>/etc/sysctl.conf #让重启不失效[Root@xenserver-cukxsegi ~]# iptables-p FORWARD DROP #将FORWARD链的策略

A simple introduction of squid Through Squid Proxy server to achieve intranet users to share the Internet, configure Squid cache and basic access control to accelerate and restrict access to Web services. For web users, squid is a high-performance proxy caching server that speeds up the intranet browsing the Internet and increases the client's access hit rate. Squid not only supports HTTP protocol, but al

Objective:Sometimes we want to access the local area network SQL Server server, such as test environment database in the company intranet, back home or at the customer site to connect to the database in the intranetThe first step: if you can connect to the local area network database 192.168.150.129, remote also can connect itThe second step: Add a TCP port in the intranet pangolin, the IP of the local IP,

Intranet Security Status Quo Analysis The theory of Intranet security is relative to the traditional network security. In the traditional network security threat model, it is assumed that all the personnel and devices in the Intranet are secure and trusted, while the external network is insecure. Based on this assumption, Internet security solutions such as anti-

Most enterprises pay attention to improving the border security of enterprise networks, but do not mention their investment in this area, but the core intranet of most enterprise networks is still very fragile. Enterprises have also implemented corresponding protection measures for internal networks, such as installing network firewalls and intrusion detection software that may easily reach tens of thousands or even hundreds of thousands. They also ho

Almost all enterprises have paid more attention to network security. They have successively purchased firewalls and other devices to block security factors from the Internet. However, Intranet attacks and intrusions are still rampant. Facts have proved that the company's internal insecurity is far more terrible than the external harm. Most enterprises pay attention to improving the border security of enterprise networks, but do not mention their inves

Get the native extranet IP address using the Linux command line$ Curl Ifconfig.me$ Curl icanhazip.com$ Curl Ident.me$ Curl Ipecho.net/plain$ Curl whatismyip.akamai.com$ Curl TNX.NL/IP$ Curl myip.dnsomatic.com$ Curl ip.appspot.com$ curl-s checkip.dyndns.org | sed ' s/.*ip Address: \ ([0-9\.] *\). */\1/g 'This article is from "peter-unscrupulousness Youth" blog, please be sure to keep this source http://petervip.blog.51cto.com/3790959/1687791Get the nat

following Linux IP　　3>. Go to local cmd using the ping command to see if you can ping Linux with the virtual machine locally　　The information that appears above indicates that the virtual machine's Linux IP configuration is successful and can now log on to the virtual machine's Linux system using remote connection tools such as Xshell.But can not connect the network (that is, not in the virtual machine inside the Internet Oh!);　　Second, the Linux system to set up the virtual machine can connect

Ngrok Official website: https://ngrok.comNgrok Encyclopedia: Http://baike.baidu.com/view/13085941.htm?fr=aladdinUsing Ngrok (Windows): Http://files.cnblogs.com/zengweiming/ngrok.zipUse: Unzip the Ngrok.zip, for example: E:\mysoft\ngrok Use the command line to enter the decompression path, run: Ngrok 8080 (Web server port number) The Ngrok will then parse to generate an extranet mapping path. Such as: Copy the http://6575712e.ngrok.c

Tags: 127.0.0.1 password server IP address query Restart Rand Art connectionSet the MySQL service to allow extranet access, modify the MySQL configuration file, some my.ini, some my.cnf "Linux". Find the MySQL configuration file path for Zen Trails: /opt/zbox/etc/mysql 1: Setting up the MySQL configuration file/etc/mysql/my.cnfFind Bind-address =127.0.0.1 to comment out;//function is to make it no longer allow only local access;Restart Mysql:/etc/init

Label:MySQL settings allow extranet access (graphics)1. Open Mysql.exe (MySQL Command line Client), enter the password2, input: use MySQL;3, query host input: Select User,host from User;4, create the host (if there is a "%" this host value, then skip this step)If there is no "%" of this host value, the following two sentences are executed:mysql> Update user set host= '% ' where user= ' root ';mysql> flush Privileges;5. Authorized Users(1) Any host con

Tags: static netmask add gate etc command virtual machine save different1. Remote management of Linux configuration IPIf the network is different, you need to configure the network card, the command is as follows:VI/ETC/SYSCONFIG/NETWORK-SCRIPTS/IFCFG-ENP0S3 EnterIn the presence of a network environmentModify the command below itonboo= "yes"//may not be modifiedbootproto= "Static"Add a command below itipaddr=192.168.1.111 (Random Write)netmask=255.255.255.0Nm_controlled=nothen press ESC to exit

Tags: network pre nat Scripts ping does not pass the same domestic picture catBecause of the need to have a virtual machine configured, and found that the previous method has a problem, you need to configure DNS resolution to recognize the external IP domain name.# 查看是否有DNS配置cat /etc/resolv.conf# 添加DNS配置vim /etc/resolv.conf# 填入DNS服务器nameserver 8.8.8.8nameserver 8.8.4.4Prior installation of CentOS7 requires the use of a domestic yum source to install some applications, but in the use of NAT mode