waf comparison

be a function name, etc.) Select Space xxx is bound to be intercepted, remove the space to become the key to bypass). There is also the/*!5000union*/series for the MySQL version.(4) equivalent substitutionEquivalent substitution is a relatively large classification, which can be divided into 4 categories, such as equivalence function, equivalence symbol, special number symbol and comparison symbol.Equivalence function is the substitution of the same

(2) POST 3. Bypass Mode Csrf is actually a logic error, and the defense of conventional csrf is actually not feasible (it cannot be based on referer, and some csrf combined with xss is initiated by the local domain; in addition, there are also scenarios where referer is lost during protocol conversion and the mobile platform loses referer) 9. automated tool attacks According to statistics, attacks by automated tools account for 90% of total attacks. Whether or not these automated tools can be a

WAF series-Free advertisement Router web Authentication Settings (1), WAF Recently, the advertisement router is very popular. After a half-day tutorial on the Internet, the web Authentication background is successfully connected today. Sort it out. In fact, we can connect to each other in just one minute. If you start to explore from 0, it will waste a lot of time if you do not clear many concepts. Here, w

lengths, and form parameter types and lengths; 2. crawler function. crawlers take the initiative to analyze the entire Web site and establish a normal state model; 3. The scan function takes the initiative to scan and generate protection rules based on the results. The objective of the learning-based Active model is to establish a security protection model. Once there is a difference in behavior, we can find that, for example, the hidden form, the restricted Listbox value is tampered with, and

Directory 1. case -insensitive bypass 2. Simple Code Bypass 3. Comment Bypass 4. separating override bypass 5.Http parametric contamination (HPP) 6. using the logical operator Or/and bypass 7. Compare operator Substitution 8. Replace with function function 9. Blinds without or and and Add Brackets 11. Buffer Overflow Bypass 1. Case-insensitive BypassThis is very familiar to everyone, for some of the too garbage WAF effect is significant, such as block

WAF bypass technology in SQL injection January 06, 2013 released in study notesBystanderBlog: http://leaver.meForum: French ForumDirectory1. Case-insensitive Bypass2. Simple code Bypass3. Comment Bypass4. Separating override Bypass5.Http parametric contamination (HPP)6. Using the logical operator Or/and bypass7. Compare operator substitution8. Replace with function function9. Blinds without OR AND and10. Parentheses11. Buffer Overflow Bypass1. Case-in

Forum: French Forum directory 1. case-insensitive bypass 2. simple code bypass 3. annotation bypass 4. separated rewrite bypass 5. http parameter pollution (HPP) 6. use the logical operator or/and to bypass 7. comparison operator replacement 8. replace functions with functions 9. no need for blind injection or and 10. brackets 11. buffer overflow bypass 1. everyone is familiar with case-insensitive bypass. For some too-junk

Tags: http io ar using SP file div on logBystanderBlog: http://leaver.meForum: French ForumDirectory1. Case-insensitive Bypass2. Simple code Bypass3. Comment Bypass4. Separating override Bypass5.Http parametric contamination (HPP)6. Using the logical operator Or/and bypass7. Compare operator substitution8. Replace with function function9. Blinds without OR AND and10. Parentheses11. Buffer Overflow Bypass1. Case-insensitive BypassThis is very familiar to everyone, for some of the too garbage

first character from the password, which can be used:01.STRCMP (Left (' password ', 1), 0x69) = 102.STRCMP (Left (' password ', 1), 0x70) = 003.STRCMP (Left (' password ', 1), 0x71) = 1To replace, left is used to take the value of the 1-bit string, strcmp is used to compare two values, if the comparison result is equal to 0, the left side is 1, otherwise 1.and Group_concat and Concat and Concat_ws, which I have said before, can replace each other.9.

,6,7,8,9,10,11,12,13,14,15,16,17,18%20from%28admin%29%29 This link will be intercepted... Use this link: http://fuck.0day5.com/shownews.asp?id=%28-575%29UNION%20%28SELECT%201,username,3,4,passwd,6,7,8,9,10,11,12,13,14,15,16,17id=18%20from%28admin%29%29 Comparison of the two links: The second link is more than the first link: id = the second link is less than the first link: I bypassed WAF in the form of pa

WAF classification:1. Network Layer Class2. Most common and easy-to-deploy application tier classes (before Apache, after Apache)The application layer waf– leverages the WAF's own flaws and MySQL syntax features and combines the actual bypass:WAF most common detection method: keyword Detection For example, if a [space]union[space] Such an SQL statement is considered a malicious request, discard this packet,

) this product can meet the security protection requirements of Web Services. After preliminary communication with domestic and foreign manufacturers and real environment stability tests, and comprehensive comparison of WAF product qualifications, functions, and performance, yunnan Power Grid Company finally chose the Web application firewall product independently developed by Qiming Xingxing. Tianqing We

Web hacker always survive in the constant struggle with WAF, manufacturers constantly filter, Hacker constantly bypass. WAF Bypass is an eternal topic, many friends also summed up a lot of strange tricks. Well, today I'm here to do a little literacy. First, what is the WAF bypass?A WAF, simply stated, is a Web applicat

The first name before this article is: WAF bypass for SQL injection #理论篇, I submitted freebuf on June 17. Link: Click here now Blog recovery, special hair here.Web hacker always survive in the constant struggle with WAF, manufacturers constantly filter, Hacker constantly bypass. WAF Bypass is an eternal topic, many friends also summed up a lot of strange tricks.

1. ForewordWhile Web application is becoming richer, the Web server is becoming the main target for its powerful computing ability, processing performance and high value. SQL injection, Web tampering, Web page hanging Horse and other security incidents, frequent occurrence.Enterprises and other users generally use firewalls as a security system of the first line of defense. But, in reality, they have such problems, such as the traditional firewall system can not respond to the current rapid outb

Move 2 websites to Aliyun, one is because the Aliyun is stable, and the other is the roaring Cloud shield. In the Blog Federation group before the simulation of CC attacks built on the Aliyun ECS on the blog, the results Yun Dun no response, and the site has been hung. This time deliberately look at the CC protection function on the cloud shield, found that some friends do not estimate the correct use of WAF. Therefore, in this article I simply sh

Web Hacker is always in constant struggle with WAF, vendors are constantly filtering, and Hacker is constantly bypassing. WAF bypass is an eternal topic, and many friends have summarized many strange tricks. So today I am going to make a small literacy program. Let's talk about WAF bypass. WAF is a Web application fir

Tags:;; Hacker SQL Sch error security different development lineWeb hacker always survive in the constant struggle with WAF, manufacturers constantly filter, Hacker constantly bypass. WAF Bypass is an eternal topic, many friends also summed up a lot of strange tricks. Well, today I'm here to do a little literacy. First, what is the WAF bypass? A

WAFWeb Application Firewall and WEB Application Firewall (WAF) are not popular in the global market? Mr. Grant Murphy, global product market manager of barracuda WAF, is clear, but the situation may not be the same for the Chinese market. WAF truth: IPS and IDS are not WAF First, Chinese customers lack knowledge about

How to build a reliable WAF (Web application firewall) (1) What components are included in WAF implementation and how these components interact to implement WAF defense functions (2) How to maintain WAF rules (Policies) Maintenance Rules (Policies), including obtaining channels, rule testing methods and online performa