ALLESTA FIREWALL & HTTP FILTERING Free Download
Shareware: You can try this program, but this version has some limited features or time usage restrictions. You should purchase it in order to remove those limits.
Complete Web Application Protection with Allesta Instant Detection & Prevention
Allesta protects your web applications against entire classes of attacks. Allesta provides proactive detection and prevention of all known and unknown application level attacks.
Allesta includes 3 key modules to protect your server:
Allesta Firewall Module,
Allesta HTTP Filtering Module,
Allesta Connection Limiting Module,
Allesta is a software firewall, featuring stateful packet filtering. Detailed rule definition to perform stateful inspection and protocol inspection of all outgoing and incoming Internet traffic. Rules can be defined between interfaces and/or IP addresses.
ALLESTA HTTP FILTERING
Allesta's complete filtering methods identify legitimate and illegitimate requests and to distinguish between them. Filtering methods used in Allesta includes: HTTP method, HTTP version, URL length, Header length, Header size, Presence or absence of particular header, Header contents, File type, General POST size, General POST contents, POST & GET payloads and query parameters, Parameter type, Parameter value, Parameter length, Parameter case, Parameter in message body, Character set (negative regular expressions), RFC compliance (header, request, and cookie), Invalid path traversal (../), Restricted methods (PUT, DELETE), and much more.
ALLESTA CONNECTION LIMITING
Allesta connection limiting module is an application level connection limiting service. It counts connections from remote address to local addresses and blocks unwanted traffic by using predefined connection limiting rules. It's possible to stop DDOS attacks by using connection limiting module. Allesta's Connection Limiting Module provide clean Web traffic, improved management of network traffic loads. Allesta's Connection Limiting Module lowers cost by optimizing speed and performance of your public site while providing protection against DDoS, virus, and other malignant traffic.