Notes for bypassing waf

1. Various codes bypass id = 1 union select pass from admin limit 1id = 1% 20% 75% 69% 6e % 20% 6f % 6e % 73% 65% 65% 6c % 63% 74% 20% 70% 61% 73% 73% 20% 66% 72% 6f % 6d % 20% 61% 64% 6d % 69% 6e % 20% 6c % 69% 6d % 69% 74% 20% 31 2. encoding 'E' =>

Simplified and refined Enterprise Intranet Security Management (1)

From the first day of commercial use, LAN technology has been adopting an open and shared resource-based model. While pursuing high convenience, security will inevitably be affected, which is also the most important cause for the problem of Intranet

Shell commands related to processes run by the System

1. Process Monitoring command (ps ):To monitor and control processes, you must first understand the current process, that is, you need to view the current process, and the ps command is the most basic and very powerful process viewing command. You

Cacti monitoring installation Configuration

Working principle diagram: 650) this. length = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/095111I62-0.png "title =" 56830ac83311448a8065c609acb998cd.png "width =" 600 "height =" 237 "border =" 0 "hspace =" 0 "vspace =" 0 "style =" width:

Modify the squid user's Internet password on the web

In recent work, you need to use the squid for password authentication, because there are other software to install, in order to make installation more convenient, you have written a script. However, because the customer needs to be able to modify

Network security device practices

  We will discuss the practices of network security equipment, and we should arrange the location of the equipment in actual work. The advantages of such deployment are extremely inadequate. 1. Basic router filter practices   650) this. width = 650;

Server Management of Enterprise it o & M and Information Management Department

IntroductionWith the development of IT technology, enterprise informatization is gradually popularized. Many companies need to manage a large number of servers, and server security is clearly the top priority of the enterprise IT department's

Firewall fault best practices: redundancy and monitoring

My company encountered a firewall fault recently, which caused the company to go down for several hours. Fortunately, we have a backup device that can be replaced. However, what suggestions or best practices do you have to properly manage

ASA testing of TCP serial number disruption

I. Overview: I listened to the ASA course of yeslab's instructor QIN Ke and talked about ASA's random initialization of serial numbers to disrupt TCP. So I set up an environment for testing and found that not only is the serial number initialized by

Linux SECURITY: Step by Step (1) (1)

Just as there is no unbreakable shield, no system is absolutely secure. No one in the security field can say that they are masters. The security of the system is exchanged by the sweat and wisdom of many predecessors. System security involves all

Vista can crash the system in 10 seconds after being exposed to a critical vulnerability (figure)

According to foreign media reports, Microsoft's new-generation operating system Windows Vista has revealed a fatal vulnerability that can crash the system within 10 seconds. As we all know, One of Windows Vista's biggest selling points is its

How to Implement Linux firewall to make remote office more secure (1)

Currently, it is common to implement remote office via VPN. There are two main shortcomings of this method: first, to ensure that VPN users can access the Intranet at any time, the computers on the Intranet must be started up for a long time,

Attack and Defense of Rootkit in Windows Vista

Bkjia.com exclusive: Rootkit is a special malware that hides information about itself and specified files, processes, and network links on the installation target, rootkit is generally used in combination with Trojans, backdoors, and other malicious

Why can't rar passwords be cracked? (1)

1. rarfile generation process. There are two steps to encrypt a Winrar file: 1: First compress the source file into a data segment. 2: encrypt the compressed data segment. For the same source file, the data segments in the rarfile are identical

Manual penetration test for Web applications-SQL blind injection test using SQLMap

IntroductionThis article focuses on SQL injection. If the reader has already understood the General SQL injection technology, I have introduced it in my previous article, that is, by entering different parameters to wait for the server to respond,

OASIS Web Service Security token

There are two main methods to pursue Web Service Security. W3C uses encryption and XML methods to ensure that data from Web services is not blocked. OASIS (WS-I also handed over its preliminary work to OASIS) uses a secure password-based approach to

POST injection record in Italian website background

Information Detection: Target Site: http://www.sixxf.itServer IP Address: 192.232.2xx.97 (USA)Environment platform: PHPServer System: ApacheThis time, I used a webpage to detect that the information on this site is not complete. Go to the topic,

AppCMS injection and comment on xss vulnerabilities

0x02 SQL Injection principlesDownload the latest version appcms_1.3.890.Check index. php. There is a piece of code that seems to limit the search term:If (! Preg_match ("/^ [\ x {4e00}-\ x {9fa5} \ w {0}] + $/u", $ _ GET ['q']) {Die ('only the

Approaching BREACH: new attacks have seen readable encrypted network data

Researchers claim that a new hacker technology named "BREACH" is hot-hitting to extract login tokens, session IDs, and other sensitive information from SSL/TLS encrypted network traffic. Confidential data has now become an important basis for online

Web server maintenance and security management skills (1)

Convert roles and treat yourself as a possible Attacker Most of the time, if we only consider the problem from the perspective of the WEB administrator, we may not be able to find the Web Server Vulnerability. On the contrary, if we can change our

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