Cloud Security

This article describes how to use iptbales to implement the powerful NAT Function under linux2.4. For more information about the syntax of iptables, see the article "using iptales to implement a firewall with excessive packet forwarding rate. What

This article describes how to use the Firewall software package provided by Linux to build a soft route. This method provides a simple and secure way to interconnect the Intranet with the external network. The built-in Firewall of Linux builds a

Firewall is a very important network security tool, but how do you implement it when you need to quickly and complex dynamic modification of firewall rules? If you use the dynamic firewall script of Daniel Robbins described in this article, this

As we all know, Ghost can quickly back up and restore hard disk data. If the operating system on the hard disk is paralyzed and data is lost, you can use Ghost to quickly recover data, it eliminates the trouble of re-installing the system and

OverviewUse iptables-ADC to specify the chain rules.-A Add-D Delete-C modify Iptables-[RI] chain rule num rule-specification [option]Use iptables-RI to specify the sequence of rules Iptables-D chain rule num [option]Deletes a specified rule.Iptables-

Bkjia.com exclusive translation]KippoIs an interactive SSHHoneypotTo record brute-force attack behaviors, the most important thing is to record the shell interaction behaviors of attackers. If you need more information about Kippo, visit its

No enterprise or anyone can rely solely on one method to protect its data and private files. In particular, it cannot only rely on the security system of a vendor. In the network security field, there is no solid defense and no absolute network

Nowadays, almost every computer has it. It is also a common tool in our daily life. Many data files are stored in computers, and many computers share them. Therefore, we have private files that are not accessible to others. How can we hide these

PrefaceThe Discuz forum is a PHP forum system developed by Crossday studio www.discuz.com. "Is an efficient forum solution designed to suit various server environments. Discuz! At the beginning of its establishment, we started to improve product

After work, I went to my friend's website and looked at it. Websites are mobile and easy to modify and beautify, and almost all are static htm files. Take a closer look. The website has a "blog Center" more than a few days ago. After you click it,

Qmail has a configuration file named rcpthosts (the file name is derived from the rcpt to Command), which determines whether TO accept an email. This email is accepted only when the Domain Name of the recipient address in an rcpt to command exists

My name is URL, that is, "Uniform Resource Locators", which means a Uniform Resource locator. The URL in the address bar is an expression of my URL. Basically, all the friends who visit the website will use me, so my role is very great. Maybe many

Xinnet is the world's largest CN domain name registration service provider. From four o'clock P.M. yesterday to a.m., hackers continued to attack for eight hours. As a result, 30% of websites registered on xinnet could not be accessed normally. At

Editor's note: For security reasons, "http" is replaced with "hxxp", and "<>" is replaced .] Two days ago, some netizens reported that Dongfang guard, a well-known security website in China, was mounted with a Trojan again. This is the second time

Recently, after we forcibly uninstall the Norton Anti-virus software installed on Windows XP, we find that the laptop suddenly cannot access the Internet. when we open the neighborhood attribute window and check the properties of the local

Bkjia.com Summary: why is your Web insecure? During the Internet boom at the beginning of this century, there was a popular term: "eye-catching Economy". After a website is built, people's eyes will naturally be attracted, this is the Internet

Bkjia.com exclusive Article]For Web applications, injection attacks have been around for a long time. Common attacks include SQL injection, command injection, and recent XPath injection. This article takes SQL injection as an example to explain in

In many commercial programs, programmers may leave backdoors for some purpose. We will not discuss what the purpose is, but how to hide an "ultimate backdoor" in a program ". First, let's look at an example. Last year I wrote an article titled the

Web intrusion workflow: Collect intelligence, remote attacks, remote logon, obtain WEBSHELL, obtain common user permissions, obtain super user permissions, leave backdoors, and clear logs. The main content includes target analysis, document

1. Overview Computer security has always been one of the main topics discussed by people. Computer Security focuses on computer virus prevention and system security. Today, with the increasing expansion and popularization of computer networks,