Yes

57.141.0.42 - - [05/Jun/2026:19:50:19 +0000] "GET /mid/a017bc62-0982-42db-8403-241d69da8d0f@alexander-goetzenstein.my-fqdn.de HTTP/2.0" 303 0 "-" "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/craw...)"

57.141.0.48 - - [05/Jun/2026:19:50:22 +0000] "GET /group/comp.os.linux.advocacy/a/a236f5a5-63a4-4982-8bb6-07ffc684201b@googlegroups.com HTTP/2.0" 200 34838 "-" "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/craw...)"

57.141.0.55 - - [05/Jun/2026:19:50:23 +0000] "GET /group/alt.recovery.aa/a/ne6onq%24hpp%241@dont-email.me HTTP/2.0" 200 5606 "-" "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/craw...)"

57.141.0.56 - - [05/Jun/2026:19:50:24 +0000] "GET /group/aioe.news.assistenza/a/qpukie%241i1g%241@neodome.net?view=headers HTTP/2.0" 200 17027 "-" "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/craw...)"

57.141.0.36 - - [05/Jun/2026:19:50:29 +0000] "GET /group/alt.obituaries/a/uf8pej%241hqi1%241@news.xmission.com HTTP/2.0" 200 6123 "-" "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/craw...)"

57.141.0.66 - - [05/Jun/2026:19:50:29 +0000] "GET /group/comp.theory/a/v3640k%24vg63%243@dont-email.me HTTP/2.0" 200 148720 "-" "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/craw...)"

▲ reconnecting an hour ago | parent [-]

And assume you have

User-agent: meta-externalagent

Disallow: /

	▲	Symbiote 38 minutes ago \| parent \| next [-]
		I have observed the same from Meta's crawler. `User-agent: * Disallow: /` on e.g. our preproduction site, Meta is the only big-tech crawler that accesses it, at least with an honest user agent. (Meta also accesses disallowed paths on the production site.)
	▲	kev009 an hour ago \| parent \| prev [-]
		They don't obey *, they don't get their own entry. I'd rather just poison their data, it's a well known behavior from them. https://www.reddit.com/r/webdev/comments/1sdzd1q/metas_ai_cr...