OPTIONSThe request is a preflight request, mainly to determine whether the target server allows cross-domain requests, and the real HTTPrequest .
For cross-domain requests, refer to the article " In-depth understanding: Cross-domain "; for requests, refer to the article " OPTIONS Request in HTTP ".OPTIONS
After understanding OPTIONSthat it is a pre-request, how to block the OPTIONS request? The answer is simple, just type Filterin -method:OPTIONS!
FilterIt is also supported if you want to mask other parameters .
