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Practice of SSH Intranet port forwardingGuideAs we all know, SSH is a secure transmission protocol, which is used on many connected servers. However, in addition to this function, its tunnel forwarding function is even more attractive. If the linux servers between the two Intranets need to log on to each other, or need to access a port in the Intranet, worry that there is no public IP address, you can use n
Use OPENVPN to implement Intranet mutual access between two locations (1) master server configurationMaster Server Configuration Functions to be implemented: Shenzhen:Master VPN Server: dns.dog.comInternet ip-eth1: 192.168.68.71Intranet ip-eth0: 10.1.1.254Guangzhou:VPN Server: lvs1.dog.comInternet ip-eth1: 192.168.68.73Intranet ip-eth0: 10.1.2.1Clients outside China:192.168.68.79Shenzhen-Guangzhou tunnel uses virtual IP addresses 10.8.0.1 and 10.8.0.
Intranet security construction is a system project that requires careful design and deployment. At the same time, Intranet security is also a long-term task, which includes both network security system construction and personnel security awareness training, it also includes the network security protection system construction layer.In terms of system construction and awareness training, it mainly includes: 1
Background Analysis of Intranet security implementation As the Spring Festival is approaching, white-collar workers and blue-collar workers will return home. Newly Decorated and cleaned apartments and rental housing have also begun to meet the post-holiday occupancy peak with a brand new look and a comfortable housing environment. Many rental houses are also considering introducing or upgrading networks at this time. vrouters are the door to network a
User features of Intranet Security Cases Enterprise sensitive data with design drawings as the core is highly dependent on networks and various information processing terminals in the production and dissemination processes, data is widely transferred between design and production departments (including stamping, welding, painting, and Assembly; The information level of terminal operators varies greatly because of professional differences among employe
The existence of mobile devices not only changes the way individuals live, GigaOm's latest report shows that 38% of enterprises interviewed have applied mobile devices to different degrees in IT, 43% of enterprises surveyed plan to introduce mobile device applications within one year, while 500 of fortune 65% enterprises have deployed I-Pad to varying degrees. Users are used to using Blackberry to send and receive emails, using tablets for demonstration, using mobile devices to remotely access t
It is impossible for a dual-nic computer to have two gateways, because the default gateway can only be one. Install two NICs for the UbuntuLinux server and set different ip addresses and gateways (intranet and Internet) respectively. The Internet can be accessed through the Internet Nic, and the Intranet can be accessed through the Intranet Nic, it seems very eas
After obtaining the linux permission. First, collect information about port information. Check whether there is a connection such as 389 .. (If you have port 389, you may have an ldap configuration file or a DC Password. I will have it.) You can also see some Intranet IP addresses on the port... Then collect the Intranet IP address segments .. Arp-a also shows some Intr
I have been busy with UDP socket communication over the past few days. After a few days, I have finally achieved some success .... If you do not understand the differences between the Intranet and the Internet, and do not know the LAN and WAN, you should first familiarize yourself with the program. My current situation is that the client is on an intranet and wants to connect to an internet server. After re
Reprinted from: http://www.juuluu.org/html/softDoc/2011/10/19/09/45/wtpnkjxlwt.html The following are the implementation Notes for an Rmi project: Environment: Firewall (XX guardian) Internet IP Address: x. x. x.135 port: 8400/8500 Intranet IP Address: x. x. x.90 port: 8400/8500 The Intranet and Internet IP addresses and ports are mapped to each other. (the Internet IP addresses are configured on the fire
Some time ago I made another communication software in Java-shanzhai zookeeper. Generally, this simple chat software is called a LAN chat tool, so can it implement Internet access to the Intranet for communication? This problem has been lingering for a long time in my mind. In the past, two simple clients used to communicate directly without passing through the server. Therefore, it is really hard to think about how to access machines in the other
---restore content starts---In the public network environment, to realize the remote access by domain name housekeeper management software, server or store video surveillance, etc., can be used dynamic domain name resolution software. But now IPV4 resources exhausted, the Great Wall broadband and other broadband operators to the user assigned to the network IP address. How does the intranet support it?Home network belongs to the
Modern office, each enterprise will establish its own internal LAN, and set up a server to store and share the day-to-day work of the various types of data required, many employees will also share some of their own computer data, so that other users of the local area network access and use, this way is to save data delivery time, Improve the efficiency of everyone, it can be said, very convenient. However, the resulting information security, network security issues are gradually exposed, we have
The Oracle database is one of the most applied databases. General Project Application. Deploying Oracle in the Intranet, intranet calls, and operations can only be done on the intranet.Suppose the Oracle host or local area network does not have a fixed public IP and wants to access Oracle on the outside network. It is necessary to solve the problem of dynamic IP or no public network IP. Corresponding applic
How to use "mathematical modeling-graph theory model" for automated intranet penetration testing Privilege escalation in the Active Directory domain is an important part of the struggle between most intruders and the Intranet administrator. Although obtaining the permissions of the domain or enterprise intranet administrator is not the ultimate goal of evaluation
Using dnsmasq to build a small Intranet DNS dnsmasq is a very small dns server that can solve small-scale dns query problems, such as the Intranet of the IDC. The general idea of www.2cto.com is as follows: Configure dnsmasq as the DNS Cache Server and add local Intranet resolution to the/etc/hosts file, when querying an intr
Reference address: www. nat123.comPages _ 8_266.jsp: (1) install and enable nat123 on the Intranet, add ing, and use other application types. The Intranet address port is the Intranet MSSQL address port, which is customized by the Internet address port. (2) After the ing is successful, access the Internet to connect to MSSQL using the mapped Internet address doma
The Enterprise Network Security Administrator pays great attention to the harm to the Internet. Whether it is to deploy a security gateway or other protection products, the ultimate goal is to prevent the enterprise from being compromised by network security. However, administrators should pay attention to Enterprise Intranet security protection while enhancing Internet protection. This article analyzes six internal network security threats through so
Question 1: Cross-origin penetration In an intranet, the domain administrator permission of Domain a (a. AB .abc.com) has been obtained, and the entire domain has been controlled. Net view/domain: B shows that many machines exist in B domain (B. AB .abc.com). machines in the domain can be pinged to machines in the B domain and want to penetrate machines in the B domain across domains, obtain the domain administrator permission of Domain B. Can I ask t
After a lot of chickens have been put on the horse, the black friends may be thinking about how to use the loot in their hands. Some people like to spy on the privacy of others, some may use the Trojan horse keylogger to steal someone's QQ password, some people may want to steal someone's broadband Internet access account charge Q currency. But have you ever thought that these chickens in the intranet into a SOCKS5 server? In this way, we can use thes
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