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Recently got four Ali cloud servers, are student machine, proprietary network, respectively, under two accounts. Helpless, cheap things is inconvenient, in two accounts do not say, under the same account of the two servers are not under the same VPC, toss for two days, and finally make this four servers 22 intranet interoperability, midway encountered a lot of pits, in this record. (as a result of the student machine outside the network speed is too s
https://my.oschina.net/7shell/blog/308887 Company business needs, a server, dual network card, the need to access both the extranet and intranet. In the setup process, colleagues reflect the original use of the intranet address (192.168.1.100) in the setting of the external network address changed bad, as long as the outside network that network card can be normal access to the
Tags: external network address assignment related 5.0 ETH Inux Snat forwardProblem descriptionIntranet client machines access the Internet through a gnu/linux server. The Eth0 network card of the server can access the Internet, and eth1 network card is connected with intranet. The client wants to access the Internet through the server.Experimental environment Server: Network card IP Subnet Mask Gateway
(This article was previously reproduced on the Internet and has been modified. I will repeat it after my operations) In the past, I installed a dual Nic on my computer (not a server) to facilitate the test. The dual Nic accesses two different networks but can access the Internet. Recently, in order to build and test a VPN, I connected one of the NICS to a small Intranet (that is, they cannot access the internet). Now I have a problem: I can only acces
I. Overview of the Intranet/Internet platform , The dotted line below is the Internet, which provides Web Services, DB services, DNS services, exchange services, and so on; The above is the Intranet, which provides services similar to the Internet. This article focuses on the mail system under this structure. Ii. Architecture of email on the Intranet platf
The first description of our configuration file, are similar format, if the intranet is 192.168.0.3, the extranet is 123.123.123.123, the configuration file is as follows: $db [' salver '] [' hostname '] = ' 192.168.0.3:3306 ';$db [' salver '] [' hostname '] = ' 123.123.123.123:3306 '; This time is the external network is the state of the annotation. Walk is the intranet.The next idea, is a configuration file, copied out 2 points put to another plac
The first thing to mention is that the intranet here is generally our Internet café internal environment intranet, LAN Intranet I have nothing to say, willing to spend money to DNS0755 good. A basic condition: a public network IP, the gateway has operational rights. FTP Server-side 192.168.0.100, I choose Win2k+serv-u 4.1.0.0, very common commonly used a combina
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 Intranet security product selection Source: Network Author: Network Release Date: In recent years, security issues have become increasingly prominent in the internal network (terminal), and security events have frequently occurred. Data shows that manufacturing enterprises are also faced with problems such as data leakage, lack of confidentiality, and poor monitoring. How can we select a suitable Intran
Bkjia.com exclusive Article: Intranet security is no longer an issue that needs to be avoided, but a question of how to manage it. To describe Intranet security in one sentence, it is a "old saying, I have to talk about it ". It is not a matter of time to fully grasp this complicated learning. Therefore, this article briefly discusses the scope and characteristics of In
Bkjia.com exclusive interview] The intranet is the most core and confidential platform of the enterprise network. The security of the Intranet not only affects the security of enterprise information, but also is a key issue to ensure business continuity. Different industries have different requirements for Intranet security. All aspects of enterprise network arch
Intranet security management products must be intercepted with ARP Spoofing with caution. With the continuous popularity of Intranet security management products in the market, there are many product patterns with various ideas, but the trend of product homogeneity is obvious, in particular, for terminals to block illegal access to the Intranet, the method is gen
Push through multiple layers to prevent Intranet access failures In order to apply for a permanent examination site for intermediate and middle-level computers, the organization established a standard LAN machine room for students to conduct intermediate and middle-level training and examinations at no cost of RMB 100,000 last year; the local area network mainly includes 36 P4-level founder brand computers, two cascade Cisco-branded 10 M/M Adaptive
Port ing principle To connect a computer on the Intranet to the Internet, port ing is required.Port ing is divided into dynamic and staticDynamic port ing:A computer in the Intranet will send packets to the NAT gateway to access xinlang. the packet header includes the IP address, port, and local IP address and port of the other party (I .e. xinlang network, the NAT gateway will replace the local IP address
Theory of Proactive Defense System of lateral view Lateral view Intranet Security ManagementThe system focuses on Actively controlling risks rather than Passively responding to events, improving the effectiveness and manageability of the entire information security system. With active Intranet security management and Intranet security control, the security risks
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
[Post] Six secrets of Intranet Security Post by: 2009-8-18 12:20:00 The development of the information industry has dramatically changed people's lives. However, it has also laid the groundwork for many security risks: data loss, information leakage, worms, and network abuse. Data shows that 70% of enterprise users in China are at a "high risk" level, and the annual economic losses caused by network leaks reach tens of billions.
BT Operation Principle Analysis and Intranet speed-up method (transfer) Because Intranet users cannot provide an external port, they cannot act as servers. however, when using BT, we found that it could allow Intranet users to send messages. As a programmer, we couldn't help downloading its source code for analysis (to see it, I also specifically wrote Python :})
Development, try to obtain the score information in the university teaching system. The educational administration system of our school can only be accessed through the Intranet (only Intranet IP addresses ). Is there any way to access the Intranet IP address from the Internet (server? I have an intranet machine on han
One: Software solutionsSoftware:Https://ngrok.com/downloadNgrok-stable-windows-amd64.zipUse:CMD---CD: Switch to the software catalogNgrok.exeIn the pop-up box, enter: Ngrok HTTP 80 (80 or other port number, depending on the situation)Two: Cisco routes do the mappingSteps are as follows Login Cisco En, config View Configuration Show Run Fixed IP:IP nat inside source static TCP 10.10.1.253 8080 101.81.232.101 8080 Dynamic IP: Access to
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