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Month: January 2017

Blocking access by user agent in Nginx

How to block access by user agent in Nginx. In this configuration, i will use ngx_http_map_module. Inside http section: include /etc/nginx/blacklist; Inside server section (virtual host). We will return 444 status code. if ($block_ua) { return 444; } The blacklist file (example) map $http_user_agent $block_ua { default 0; ~*profound 1; ~*scrapyproject 1; ~*netcrawler 1; ~*nmap…

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