Analysis of IIS and server crash causes recently, the server crashes frequently and records the cause (because the verification code is generated too frequently and a verification code is automatically generated when each page is opened ). Possible causes include: 1. The server must be installed with the latest patch. Program2. There is an endless loop in the program, a connection is not closed after it is opened, and too much resources are occupied when some content is generated (generating files or frequently generating verification codes). IIS running Log Path: website properties/website/Enable logging -- properties -- log file directory. This log file can be used to analyze and search the source of the website (from those searches: Baidu, Google ). The IIS error is recorded in the path c: \ windows \ system32 \ logfiles httperr.
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