IP blacklist

[/aɪ piː ˈblæklɪst/]
nounpl: IP blacklists
lista negra de IP
1. A database or list of Internet Protocol (IP) addresses that have been identified as sources of spam, malware, or other malicious activity, used to block or restrict access to networks or services
The mail server checks incoming messages against an IP blacklist to filter out spam.
O servidor de e-mail verifica as mensagens recebidas em relação a uma lista negra de IP para filtrar spam.
2. A security mechanism that prevents communication from specific IP addresses deemed to be threats or unreliable sources
After the cyberattack, the company added the attacker's IP to their blacklist.
Após o ataque cibernético, a empresa adicionou o IP do atacante à sua lista negra.
In Brazil and globally, 'IP blacklist' is a standard term in cybersecurity and IT administration. While Portuguese translations exist (lista negra de IP), the English term is widely understood and used even by Portuguese speakers in technical contexts. In Portugal, there's a slight preference for more descriptive phrasing with 'endereços IP' (IP addresses) rather than the acronym alone.
Synonyms / Sinônimos
blocklistDNSBL (DNS-based blacklist)RBL (Real-time Blackhole List)blackhole list
Antonyms / Antônimos
IP whitelistallowlist

Regional Variations

General Brazilian
lista negra de IP
Standard term used in tech industry across Brazil
São Paulo
lista negra de IP / blacklist
Both Portuguese and English terms are commonly used in tech hubs
Portugal
lista negra de endereços IP
More formal phrasing with 'endereços IP' instead of just 'IP'

Related Words

blacklistwhitelistIP addresscybersecurityspam filterfirewallnetwork security

Related Idioms & Phrases

to blacklist an IP address
to add to the blacklist
to remove from the blacklist
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