Cloud Security

Degree: elementary Denial of Service (DoS) attacks use a large number of legitimate packets to paralyze enterprise network services, making the original anti-virus, firewall and even intrusion detection systems useless, network services are more

Log files are always a good tool for network administrators to find "disease sources" when checking for faults and troubleshooting network errors. However, due to the large number of Web log records, the analysis is difficult and the log

Summary This article will discuss the security of Apache WEB Server installation and configuration on the UNIX platform. We assume that the system administrator who has read this article has selected the relevant modules for his site, and can

Currently, most virtual hosts disable the standard ASP Component FileSystemObject, because this component is an ASPProvides powerful file system access capabilities to read, write, copy, delete, and rename any files on the server's hard disk (of

I am very depressed because my DV Forum frequently uploads files with asp code. I want to solve the problem by using the following code: In my opinion, as long as you follow the following practices, you are not afraid to upload Trojans! The problem

Author: Huang Ying With the popularization of networks, network security has become more and more important. Today, we will introduce a very rare case. Writing this article is not to teach you how to attack others, but to raise your security

Sniffer is a common tool for collecting useful data. This tool monitors the network status, data flow, and information transmitted over the network. Internet Security System Company ISS defines Sniffer as: Sniffer is a tool that uses computer

Brief description: data can still be read across domains using third-party plug-ins such as flash. I personally think the main reason is that Microsoft and Microsoft's mhtml patch is not powerful?Description: assume that the attacker's controllable

Server security issues cannot be ignored in a certain sense. So how to perform security maintenance on the server becomes the focus. Below we will introduce several skills for your reference. Tip 1: Start with basics When we talk about network

OpenSSH is used as the SSH server on most Linux servers. Therefore, this article only applies to OpenSSH. In fact, these skills are very basic, but if you can use them well, it can indeed effectively improve the security of SSH. # The following

The first thing we need to do is security. Generally, hackers use nmap to scan our website.This is what we don't want to seeI provide several filtering mechanisms. nmap cannot scan you. 1 # iptables-F 2 # iptables-a input-p tcp -- tcp-flags all

A simple web page damage will show how valuable a detailed Emergency Response Plan is! The experience of being hacked is similar to getting a small, poor income. At least, this is what I recently learned from my own web page being altered and

SQL server is a database used by many websites, but this database has some security risks. The following describes how to configure SQL SERVER Security. 1. Close the external Port It is very important to close external ports. Nowadays, many

  This software can effectively defend against DDOS attacks such as cc and syn semi-connections. In fact, it does not have the Interception Capability. It is based on the IPtables firewall and uses netstat + filtering rules to implement linkage with

The data stream format in the NTFS file system was already a few years ago, while the anti-virus vendorDoes not fully check this aspect of the file, this causes the virus scan program to be unable to find the code orVirus Scanning programs may

Nginx % 00 NULL bytes Arbitrary Code Execution (php) Vulnerability% 00. php to execute the codeAffected Versions:Nginx 0. 5 .*Nginx 0. 6 .*Nginx 0.7 Nginx 0.8 In vulnerable versions of nginx, null bytes are allowed in URIs by default (their presence

Disable insecure PHP functions. Some php functions are not safe enough. We must enhance the security configuration. If you are using a VM, we recommend that you disable the following php functions: Response = system, exec, shell_exec, passthru, proc_

  In the previous article, we introducedCfengineFunctions, components, and Cfengine installation and required processes.Cfengine ConfigurationAnd client system preparation. Use Cfengine to reinforce the Solaris server. Iv. Cfengine

The iptables script is a very simple iptables script. You only need to write the port to be opened to the "$ MPort" variable. Remember that up to 16 ports are allowed. Although this script is simple, it can meet our basic requirements. Sometimes,

Author: hackdn Today, the client received a SHELL of Apache/2.2.3 (CentOS), which is written into the LINUX system. The PHP version 5.2.17 and MYSSQL environment were created without ASP and. NET. First use the built-in command LS, UNAME, and no