System and method for website attack defense verification
A verification system and verification method technology, applied in the field of website attack prevention verification system, to achieve high security, ensure safe operation, and prevent illegal requests and network attacks
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[0033] Terminology Explanation:
[0034] Lua is a scripting language embedded in the server.
[0035] Nginx is a lightweight web server, reverse proxy server and email (IMAP / POP3) proxy server.
[0036] The verification code is a user identification picture for behavior verification.
[0037] TCP (Transmission Control Protocol Transmission Control Protocol).
[0038] MD5 (Message Digest Algorithm Fifth Edition) is a hash function widely used in the field of computer security to provide message integrity protection.
[0039] HMAC (Hash-based Message Authentication Code) is a key-related hash operation message authentication code. HMAC operation uses a hash algorithm, takes a key and a message as input, and generates a message digest as output.
[0040] HMACMD5 is a keyed hash algorithm constructed from the MD5 hash function and is used as a hash-based message authentication code. This HMAC process mixes a key with the message data, hashes the result of the mix using a hash ...
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