Cloud Security

Recently, WinRAR has a 0-day extension defect, which can be used for phishing and other purposes. Original Author: An7i, translated by Exploit, moderator of the XI Science Forum. WinRAR is a very powerful compression and decompression software

Shaoguan address: http://attack.onebox.so.com/Level 1Q: The second level needs to be accessed from hack.360.cn. Simply clicking a button will not work !~~A: Set the access path to http://hack.360.cn/. you can use the browser plug-in (HackBar) to

We know that when you use the ls command to list files, different file types are displayed in different colors. How can we achieve this color-based text output? The answer is not complex, whether using shell or C language. I. Implementation Method

1. Determine the disk space used Df-h | grep-v File | sed's/% // G' | awk '{if ($5> 80) print "The used space exceeds 80% :", $6} 'or #! /Bin/bash # Filename: disk. sh # Date: 20110322 DISK_warn = 80 DISK_per = 'df-h | grep-v Filesystem | awk

This experiment is passed in the Centos/RHEL system. For other versions of linux/Unix, you only need to make appropriate modifications. This script requires that the SSH service must be enabled on the Unix-like server you manage, public and Private

First, I did not write the script functions here. If you are interested, you can do it yourself. You have not written the shell script for a long time. If you write this script today, you should review it, I have been using python for a long time.

1. Basic shell Parameters# Cat/etc/shells System shell location# Bsh, csh, ksh, and bash change the shell environment of the root user# Chsh changes the shell environment of common users# More/etc/passwd view shell environments of all users2. shell

I helped my friend maintain the server of his website. Recently, the traffic surge and the server pressure surge. Let's look at the nginx log. There are a large number of POST requests for several specific php requests. One IP address will POST four

Some monitoring scripts or restart services. The failure is successfully output in red or green. A function is used to encapsulate this function. Function: receives string parameters, changes the OK in the received parameter [] to red, and the FAILD

This article describes the most common tools for using Shell to process text in Linux:Find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, awk;The examples and parameters provided are the most common and practical;The principle I use for shell

1. Install centos 6.2 64X 2. Customize system partitions,2.1/partition 100 GB;2.2.swap 2048 M;2.3./data Partition, use all available space.. Other requirements are customized based on service characteristics; 2. System slimming and uninstalling

There are a lot of spam on the network to scan the root account, so it is necessary to do a good job of security! The following are some security settings for reference only:1. Modify the SSH portVi/etc/ssh/sshd_configPort22

User Management User Permissions 1) Restrict root12 echo "tty1">/etc/securettychmod700/root 2) password policy1234 echo "Passwords expire every 180 days" perl-npe's/PASS_MAX_DAYSs + 99999/PASS_MAX_DAYS 180/'-I/etc/login. defsecho "Passwords may only

Website security is not negligible, especially for access to the background management Directory, which requires extra strict control. Otherwise, once the website administrator's password is obtained, you can use the background to manage possible

The sudo tool can help you allocate part of the system management responsibilities to others without having to grant full root access permissions. It is a setuid program. You only need to enter your own password to execute the command after sudo.Use

A few days ago, some people used putty and winscp, which had backdoors for promotion and promotion by Baidu. The password was simple and port 22 was cracked by brute force, or the security crisis caused by social engineering passwords, ssh security

Decrypts the PHP file encrypted with zend Similar garbled characters may occur when the PHP file encrypted with zend is opened with notpad ++. The following uses the decryption tool for decryption. Http://pan.baidu.com/s/1i3n4ysX   Download

The "user management" section in the background provides the "batch unified delivery of coins" function. The front-end has registered an account "roots" and then the back-end sends the car currency to this account: 888888 thought that the car

The first thing to note is that it is a webkit module, rather than chrome. Therefore, browsers such as Safari and the 360 secure browser speed mode all have the XSS filter function.Filtering Method:Use Fuzzy match to input parameters (GET query |

I. OpeningSince ASP + ACCESS is rarely used to prevent database downloads, the odd sex skills on the Internet are countless. This article is to discuss the secrets left by many predecessors and discuss their advantages and disadvantages, finally, we