waf application firewall

403 Request Denied with special charactersWhite list rule syntax:Basicrule wl:id [Negative] [mz:[$URL: target_url]|[ match_zone]| [$ARGS _var:varname]| [$BODY _vars:varname]| [$HEADERS _var:varname]| [NAME]]Wl:id (white list ID) which interception rules will go to whitelistwl:0: Add all the interception rules to whitelistWl:42: Whitelist the interception rule with ID 42Wl:42,41,43: Whitelist the interception rules with IDs 42, 41, and 43WL:-42: Add all interception rules to whitelist except for

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

, there are already log files under the/home/wwwlogs/attack directory that record the entire attack log. Some notes:Filter rules under WAFCONF, can be adjusted according to demand, each rule needs to be wrapped, or split with |The rule get parameter inside args is filteredURLs are rules that are filtered only at GET request URLsPost is a rule that filters only on post requestsWhitelist is a whitelist, inside the URL matches to do not filterUser-agent is the filter rule for user-agen

TABLE* output:%u0053%u0045%u004c%u0045%u0043%u0054%u0020%u0046%u0049%u0045%u004c%u0044%u0020%u0046 Case-sensitive Conversion----->[randomcase.py] () Input:insert Output:insert Wide character Bypass---->[unmagicquotes.py] () Example:* Input:1′and 1=1* Output:1%bf%27 and 1=1–%20 With**/Split SQL keyword--->[randomcomments.py] () Example: ' INSERT ' becomes ' In//s//ert ' Keyword before add comment bypass---->[versionedmorekeywords.py] () Example:* Input:1 UNION all SELECT null, NULL, CONCAT (

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

In the current network environment, applications have become the main carrier of the network, and more threats to network security come from the application layer, which puts forward higher requirements for network access control. How to precisely identify users and applications, block applications with security risks, ensure normal use of valid applications, and prevent port theft has become the focus of users on network security. The Web

Web application firewils provide security at the application layer. Essential, WAF provides all your web applications a secure solutionWhich ensures the data and web applications are safe.A Web Application Firewall applies a set of rules to HTTP conversation to identify and

IPS (Intrusion prevention system) and WAF (Web Application Protection system) Two products have different usage scenarios, with the complexity of web application development, security requirements are increasing, the emergence of WAF is in compliance with the needs of the market and technology.Web

Who is the best choice?Web application protection is undoubtedly a hot topic. Because of the maturity of technologies and the increasing expectation of convenience, Web applications have become the mainstream carrier of business systems. The data value contained in the key business systems of "anjia" on the Web has aroused the favor of attackers. The Web vulnerability mining and attack tools circulating on the Internet have lowered the attack threshol

About 10 years ago, the Web application Firewall (WAF) entered the IT security field, and the first vendor to offer it was a handful of start-ups, such as Perfecto (once renamed Sanctum and later bought in 2004), Kavado (acquired by Protegrity in 2005) and Netcontinuum (Barracuda acquired in 2007). The working principle is quite simple: as the attack ranges move

Purchase Web application firewall? You must consider these questions (1) Web Application Firewall is a complex product. In this article, expert Brad Causey describes the key issues that enterprises need to consider before purchasing WAF products. To ensure the security of W

, including videos, images and files, and performs security scans on files uploaded through the website. Finally, barracuda WEB application firewall provides users with intuitive configuration operations and report output to easily cope with complex Internet attacks and audit investigations. Barracuda's WEB security solution for this power grid company: 1. barracuda WAF