imperva web application firewall

Although the firewall has been the main security method for Internet connection for 25 years, during this period, attackers have targeted the protocol stack and bypassed the operating system or TCP/IP protocol, directly implements the HTTP, HTML, and XML protocols for modern distributed web applications. Therefore, it is vital to integrate lower-layer firewalls with smart

Almost all businesses now have Web sites that provide information not only through their websites, but also with their customers through web apps, blogs, and forums. From an online retailer's interactive baby registry to an electronic trading website's investment calculator, or a software vendor's interactive support forum, businesses generate new Web application

Application Layer expert-wangkang Technology As a well-known manufacturer of application layer security, management and optimization in China, wangkang technology regards people, applications and content as the technical philosophy of product planning and has been focusing on the Research of Network Application Layer Technology for nine years. Wangkang's next-ge

(cookie-poisoning) vulnerabilities. Effective session tracking not only keeps track of the information blocks that are created by the application firewall, but also digitally signs the blocks of information that are generated to protect the blocks of information from being tampered with. This requires the ability to track the response of each request and extract information block information from it. Respo

!!! Application policy: Application Firewall> Policies, select one policy, and click Global Bindings Procedure: 1. Systems> Settings> Change basic features. Select Application Firewall. 2. Create: Application

Firewalls are common, but not readily available. When it comes to security refinement analysis, the gateway based firewall is best, followed by the stateful detection firewall, but the stateful detection firewall provides the weakest security processing capability. However, in terms of manageability, the order is just the opposite: stateful detection firewalls ha

. You can set a policy for data access between trusting domains and untrusted domains; 4. You can define a rule plan so that the system can automatically enable and close the policy at some point; 5. With detailed log function, provide the firewall conforms to the rule message information, the system Management information, the system fault information record, and supports the log server and the log export; 6. With IPSec VPN function, it can realiz

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.E

Firewalls are common, but not readily available. When it comes to security refinement analysis, the gateway based firewall is best, followed by the stateful detection firewall, but the stateful detection firewall provides the weakest security processing capability. However, in terms of manageability, the order is just the opposite: stateful detection firewalls ha

Editor's note in just a few years, the core function of the firewall has evolved from the network layer to the application layer. This paper expounds the technical background of this change and the trend of firewall technology in the future. 　　Application-level attacks challenge traditional firewalls Over the past two

now I need to make the Web service accessible:# iptables-i input-d your Linux IP address-p tcp-dport 80-j ACCEPT# iptables-i output-s your Linux IP address-p tcp-sport 80-j ACCEPTSo is it not the same as opening the 22 port above, just changing a port? Yes, just a change of port ...Is there any way to get it done at once? Yes:# iptables-i input-d your Linux IP address-p tcp-m multiport--dports 22,80-j ACCEPT# iptables-i output-s your Linux IP address

The Firewall Client for ISA Server can optionally be installed on a client computer that is protected by Microsoft ISA Server. The firewall clients of ISA Server provide enhanced security, application support, and access control to client computers. The firewall client of ISA Server provides authentication for Winsock

security monitoring, for malicious congestion attacks, memory coverage or viruses and other high-level attacks, there is nothing to do.Condition monitoring is a more effective method of security control than packet filtering. Connection to the new application, condition monitoring monitoring and the security rules of the case, allowing a compliant connection to pass, and recording information about the link in memory, generating a status table. Subse

In Gartner's information security Report of August this year, NGFWS, in principle, does go beyond the state port and protocol filtering mechanism of the common firewall, which can perform part of the intrusion prevention function based on deep packet detection technology, and on some high-end devices, can also provide port/ The identity attribute management and policy execution function of a protocol-independent a