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From FoolishQiangblog Some people often ask me this question "how to enter the intranet" and how to answer it. In summary, it is a sentence "break through the gateway and use port redirection to enter the intranet ". The first choice is to break through the gateway (GetWay), which is easy to understand, because an intranet must always access the internet through the gat
Obtain the local IP address, mask, and gateway in Linux. 1. Obtain the local IP address and mask /******************************** ************************************* Function name: get_host_info* Parameter Name: local_ip (out) IP* Local_mask (out) mask* Return value: 0 successfully*-1 failed* Function: Obtain the IP address and mask of the local machine.****************************************
Article title: Build a WAP gateway on Linux (basic ). Linux is a technology channel of the IT lab in China. The most popular technology that includes desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories to implement mobile services is Wireless Application Protocol (WAP ). The open-source gateway for WAP implements protocol conversion betwe
From: http://www.kelenao8.cn/u/space.php?uid=3do=blogid=26 Gateway (gateways) refers to the communication between different networks of equipment and procedures, is an important component of network connectivity equipment, It not only has the function of routing, but also can transform between two different protocol sets, so that different networks are interconnected. For example, a NetWare LAN can access IBM's SNA network through a
In the market economy, the contradictions in the field of information security are particularly prominent. Viruses and anti-virus, hackers and anti-hackers, spam and anti-spam messages are always intertwined, and this is a long way to push the safety industry wheels forward. With the continuous application of cloud computing and virtual technology, spam Mail has broken through the traditional form of transmission, and gradually locked the target in the enterprise mailbox. In the face of such a
PAT --- Port Address Translation, that is, Port Address Translation, is a type of NAT, that is, converting the Intranet Address in the lan into a valid public Address, convert multiple internal local addresses to an internal global address to facilitate communication with the Internet. Today, we will not talk about the advantages of nat or the disadvantages of nat. We will only talk about how the gateway device performs address translation, which can
A gateway is a computer system or device that acts as a transformation task. The gateway is a translator between two systems that use different communication protocols, data formats or languages, and even architectures that are completely different. Unlike bridges, which simply convey information, the Gateway will repackage the information received to suit the ne
Because the company has colleagues in charge of Dalian, Shenyang Two cities, often in both directions back and forth, to each city, they have to manually change the corresponding network configuration, and to live in the field is the hotel, the hotel is automatically access to the Internet IP, but also the network settings canceled, really troublesome! So I thought of writing a batch process! To solve this problem! The main command to use is netsh.-The first method is to set up the network confi
Generally, all hosts in the same CIDR block have the same default route with the gateway as the next hop. When the gateway fails, all hosts that use the gateway as the default route in this segment cannot communicate with the external network. The network interruption caused by a single point of failure (spof) of the LAN gate
Introduction 1. About the SIP protocol Currently, there are three basic communication protocols based on VOIP: H 323, SIP, and MGCP. The following describes the comparison between the H 323 protocol and the SIP protocol. H.323 was proposed by ITU. It attempts to regard IP phones as well-known traditional phones, but the transmission mode is changed from circuit switching to group switching, just like analog transmission to digital transmission, and coaxial cable transmission to optical fiber tra
This article starts with the author's public Number: Network Security life cycle Original link: Create an open source WAF gateway Background In the Internet industry, Google will secure the infrastructure inside, has always been the major companies to learn the role model, in the Web, through GFE (Google front-end) unified external release, the business only need to register in GFE, GFE will be transferred to the correct certificate, Secure your TLS c
The security technology of IPv6. Although IPv4 network security is a common problem, it is also a problem to be asked. Now let's talk about the IPv6 Security Gateway information. Now let's take a look at the specific content. IPv6 provides many transition technologies to achieve this gradual process. These transition technologies mainly focus on solving two types of problems: IPv6 isolated island communication technology-to achieve interconnection bet
As the user needs are two-wire, so the use of one network adapter to configure the telecommunications address, another network card configuration Unicom address, Install the rhel6.5 system after the configuration of IP, found that Unicom address and telecommunications address can only have a ping, if the telecommunications address configuration gateway, Unicom address does not match the gateway, you can onl
How to Set dual gateway for a dual-nic host Author: Li Xinhua Source: Application Part 2 time: Jiangxi Provincial Government Affairs Network Security Office (You are not allowed to reprint it without permission) Note :(Win2000serverNo need to set,Win2003serverNeed to set) WebThe host needs two-way Intranet and Internet access. A subnet is a neutral zone and is connected through the telecom egress.Inte
So what exactly is a gateway? A gateway is essentially an IP address of a network to another network. For example, network A and network B, network A's IP address range is "192.168.1.1~192." 168.1.254 ", the subnet mask is 255.255.255.0; The IP address range for Network B is" 192.168.2.1~192.168.2.254 "and the subnet mask is 255.255.255.0. In the absence of a router, TCP/IP communication between the two net
Centos6.5 Implementation of Gateway Router Recently, due to the aging of the company's routers, the Internet was interrupted for a period of time, and the network was disconnected for the first half of the hour. This is a headache for me. In the spirit of saving costs for the company, I decided to build a centos gateway route by myself, so I searched for it on the Internet and finally completed the
(1) Kannel installationThe latest Kannel stable version is 1.4.3 and can be downloaded at http://www.kannel.org. To install after downloading:After decompression, enter the directory of the source files such as: cd/usr/local/gateway-1.4.3, followed by the following command:Apt-get Install LIBXML2 Libxml2-dev./configureMakeMake Bindir=/gateway-1.4.3/bin InstallAfter compiling, you will see two executables in
Internet applications make more and more enterprises and organizations rely on IT systems to an unprecedented degree, and mail server system as the most mature, most commonly used one of the applications, has become the most important tool for people communication and office. And the increasingly rampant spam has a huge impact on the business, people have lost their patience on spam, and set about taking various measures to deal with it. A common anti-spam solution is to use a professional anti
http://blog.csdn.net/pan_tian/article/details/10159935How does Oracle EBS integrate with third-party systems? For example, if the X system knows the material code, needs to read the material information from the EBS system, or if the X system wants to synchronize its personnel information to EBS, you may need to use the Oracle EBS Integrated SOA Gateway for this kind of integration problem.Integrated SOA Gateway
1. view the current Gateway arp-aSSH and execute the preceding commands. you can view the Gateway host name, gateway IP address, Gateway MAC address, and corresponding Nic, for example, bind gateway MAC1) bind echo quot; 198.52.103.19300: D0: 2B: D1: 58: 80 quot; gt;/etc/
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