v.23.7Improvement
Allow Filtering of HTTP Headers in URL/S3 Table Functions with http_forbid_headers Configuration
Allow filtering HTTP headers for the URL/S3 table functions with the new http_forbid_headers section in config. Both exact matching and regexp filters are available. #51038 (Nikolay Degterinsky).Why it matters
This feature allows users to control and restrict which HTTP headers can be sent during requests made by URL and S3 table functions, enhancing security and preventing the transmission of unwanted or sensitive headers.How to use it
Users can enable this feature by adding thehttp_forbid_headers section in the ClickHouse configuration file, specifying the headers to block either via exact names or regular expressions. This configuration will then apply filtering automatically to HTTP headers used by URL and S3 table functions.