Cloud Security

The mobile phone number is required to receive the verification code for haidcube hotspot authentication. However, this verification code is leaked due to design problems. You only need to open the developer mode of the browser and click get

Well, I didn't have a few questions, so it's just a summary, not Writeup. The first day is CTF, which includes encryption and decryption, network protocols, web attack defense, digital forensics, and reverse analysis. So far this competition has not

Is a web system. The front-end uses nginx as the reverse proxy to process https and forward requests to the backend tomcat service. The pressure test tool selects jmeter. First, let's briefly introduce jmeter. It is an open-source project of apache

Today, Windows XP, the oldest operating system in Microsoft's history, officially Stops providing services. Windows XP is not only a long-lived operating system, but also has a broad user base, therefore, this incident has a huge impact on China.

Cpu usage Collection AlgorithmCollect and calculate the total CPU usage or single-core usage using the/proc/stat file. Taking cpu0 as an example, the algorithm is as follows:1. cat/proc/stat | grep 'cpu0' to obtain cpu0 Information2. cpuTotal1 =

During our daily O & M, we often encounter the need to set up the rsync service, such as website file synchronization (image or backup), patch update, disaster Tolerance and backup for various different machine backups. If you write the rsync

1, go to the official website http://bbs.it-adv.net/viewthread.php? Tid = 1081 & extra = page % 3D1 download the Apsara program installation package on the corresponding Platform2. First, register a member on the website and reply to the post. Then,

This script is used to configure new Linux instances, such as disabling iptable, SElinux, and ipv6, optimizing the system kernel, and stopping unnecessary system services. This script is especially suitable for a large number of newly installed

1. First, cut apache logs by day Vi/etc/httpd/conf/httpd. confErrorLog "| rotatelogs/var/log/httpd/% Y % m % derror_log 86400 480"CustomLog "| rotatelogs/var/log/httpd/% Y % m % daccess_log 86400 480" combined Ii. Restart the apache service Service

A simple Shell script can be directly saved and pptp. sh can be executed. 1. Script: yum remove -y pptpd ppp iptables --flush POSTROUTING --table nat iptables --flush FORWARD rm -rf /etc/pptpd.conf rm -rf /etc/ppp yum -y install make libpcap

Previously, the script used the save mode. Now, the command is appended to a file. In this way, you can easily modify the file twice. The script is basically like this. You can modify it as needed ~ Add functions or something. #! /Bin/bashwhile

In linux, how does one check the complexity of users' passwords?The system controls the password in two parts:1 cracklib2/etc/login. defs Pam_cracklib.so is the key file to control password complexity./Lib/security/pam_cracklib.soRedhat specially

Security Protection for a system is a very important task. To be a qualified system administrator, you must have knowledge about Linux security protection. Linux security protection is essential for administrators. We can start from some aspects: 1.

Nginx is a good web server and provides a comprehensive speed limit function. The main functional modules are ngx_http_core_module, ngx_http_limit_conn_module, and ngx_http_limit_req_module. The first module includes the limit_rate function (limited

I think now that we have been in contact with VPS for a long time, we also know that CC attacks are common on the Internet. Without hard defense, finding software is the most direct method, for example, if iptables is used, but iptables cannot be

Phpyun personal member center member/model/index. class. php $ _ COOKIE ["usertype"]; The parameter is injected. The following Code shows that $ data ["usertype"] directly reads the COOKIE value and brings it into SQL, SQL does not filter the

For a long period of time, I did not recheck the search engine entries and did not have the energy to do this. Later, the old domain name was isomer. me expired replaced with the current new domain name ty-m.com, made some mild SEO, and then

What is cross-protocol communication? The cross-Protocol Communication Technology (Inter-Protocol Communication) refers to the technology in which two different protocols can exchange commands and data. One is called the target protocol and the

Author: anthrax@insight-labs.org0x00 background After reading it on github for a long time, the official diff only changed one location in php: - if ( $hmac != $hash ) { + if ( hash_hmac( 'md5', $hmac, $key ) !== hash_hmac( 'md5', $hash, $key ) )

I. Affected Versions: 3.5.x Overview: PhpMyAdmin has the PREG_REPLACE_EVAL vulnerability. Exploitation module: exploit/multi/http/phpmyadmin_preg_replace CVE-2013-3238 (CVE)   Ii. Affected Version: phpMyAdmin v3.5.2.2 Overview: