Symptom
This is an enhancement.
URL filtering is being used in an Access Control Policy Rule.
Conditions
An URL is uncategorized on Cisco Talos web page, also it has Web and IP Sender Reputations there.
https://talosintelligence.com/reputation_center/
1. The URL is saved to Firepower Management Center (FMC) URL cache without a category
# cat url_cache_seed_file.fmc | grep test.url
*.test-wrong.url/*,1686557432,50,1
test-wrong.url,1686557432,50,1
2. The URL is gotten a category on Cisco Talos, but on FTD the entry didn't update
FMC
# cat url_cache_seed_file.fmc | grep test.url
*.test-right.url/*,1686557432,50,1,2018
test-right.url,1686557432,50,1,2018
FTD
# cat url_cache_seed_file.sensor | grep test.url
*.test-wrong.url/*,1686557432,50,1
test-wrong.url,1686557432,50,1
Workaround
Configure the URL cache timeout on Firepower Management Center (FMC).