Block Incoming Ip Address

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FortiOS 5.2 VPN: Remote Internet browsing using a VPN

This article shows how to use remote IPsec and SSL VPN tunnels to bypass Internet access restrictions.

Ten reasons why hackers attack websites and how to defend them

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall 1. Desktop Vulnerabilities Internet Explorer, Firefox, and Windows operating systems contain many vulnerabilities that can be exploited by hackers, especially if users often do not install patches in a timely fashion.   Hackers use these vulnerabilities to automatically download malware code without user consent-also known as a hidden download. 2. Server vulnerabilities due to vulnerabilities and server Management configuration errors, Internet infor ...

FortiOS 6.0 VPN: SSL VPN using web and tunnel mode

In this example, you will allow remote users to access the corporate network using an SSL VPN, connecting either by web mode using a web browser or tunnel mode using FortiClient.

FortiOS 6.0 Getting Started: VDOM configuration

In this recipe, you use virtual domains (VDOMs) to provide Internet access for two different companies (called Company A and Company B) using a single FortiGate.

What is an electric donkey? What is an electric donkey?

An electric donkey is a client-side software called Point-to-Point (peer-to-peer)-a tool used to exchange data on the Internet. A user can get files from other users, or distribute files to other users. The ancestors of the electric donkey and other point-to-point client software were a MP3-sharing tool called Napster-although Napster was only a few years older than an electric donkey, the donkey technically surpassed Napster. Napster uses its own central server to connect two points, but the donkey has hundreds of them ...

The "Seven Swords" piece of server security maintenance skill

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall Do you have vital data on your computer and do not want them to fall into the hands of the wicked? Of course, they are entirely possible. And, in recent years, servers have been more exposed than ever. More and more viruses, malicious hackers, and commercial spies are targeting servers.   Obviously, the server security problem is not to be ignored. It is not possible to talk about all the computer security issues in just one post. After all, about this ...

OpenStack Latest Version Folsom schema resolution

Two years ago OpenStack based on the NASA Nova project and the Rackspace Swift Project merger, OpenStack has become a new star in the Cloud computing field, following the release of the Essex version in April 2012, At the end of September this year OpenStack 6th edition Folsom officially released, this article briefly analyzes the OpenStack Folsom architecture. Folsom Logical structure diagram Object Store Swift structure is distributed so that you can ...

Safety hidden trouble and countermeasure of webmail application

Internet users send and receive emails via web pages called Webmail. Compared with the use of special mail transceiver programs, such as OutlookExpress, The_bat, Webmail has the advantage of convenience at the same time, there are a lot of security risks. This article on these security risks and countermeasures to discuss, I think, whether for ordinary webmail users, or webmail system providers, have a certain reference significance. Introduction Whether it is abroad Hotmail, Yahoomail, also ...

E-mail security protection experience summary

I. Mail is the primary breakthrough in cyber attacks E-mail security protection experience summary. As the main communication tool of the enterprise (especially the traditional and large enterprises), the mail is increasingly critical. At the same time, security issues are increasingly prominent. Due to the lack of authentication and security authentication mechanisms, e-mail protocols are inherently anti-tracing and cost-effective. Mail has become the main approach to telecom fraud and ransomware attacks. At present, the public generally believes that email security is phishing. In fact, the field of email security is very wide. This article is based on the knowledge of work and shares with you in many dimensions. ...

Hadoop Cluster Build

Objective This article describes how to install, configure, and manage a meaningful Hadoop cluster, which can scale from small clusters of nodes to thousands of-node large clusters. If you want to install Hadoop on a single machine, you can find the details here. Prerequisites ensure that all required software is installed on each node in your cluster. Get the Hadoop package. Installing the Hadoop cluster typically extracts the installation software onto all the machines in the cluster. Usually, one machine in the cluster is designated as Namenode, and the other is different ...

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