double check the hooks
dropping Meta at the web server or network level
threads.net
acl network_meta src -f /path/to/haproxy/meta-asn-ipv4 acl network_meta src -f /path/to/haproxy/meta-asn-ipv6 acl meta_agent hdr_sub(user-agent) -i "threads.net" acl meta_agent hdr_sub(user-agent) -i "instagram" acl meta_agent hdr_sub(user-agent) -i "facebookexternalua" acl meta_agent hdr_sub(user-agent) -i "fb_iab" http-request reject if network_meta meta_agent
map $http_user_agent $meta_bots {default 0;"~threads.net" 1;"~instagram" 1;"~facebookexternalua" 1;"~fb_iab" 1;}
include /path/to/nginx/meta_bots.conf; if ($meta_bots = 1) { return 444; }