A blocklist is a maintained list of entities, such as IP addresses, domains, email senders, files, or applications, that security or network controls explicitly deny, filter, or restrict from accessing systems, data, or services. Expanded Explanation 1. Technical Function and Core Characteristics A blocklist operates as a policy enforcement mechanism that compares incoming or outgoing traffic, requests, or objects against an enumerated set of disallowed identifiers. Systems deny, drop, or

Term · Topic

blocklist

Q: How widely is blocklist used?

2 organizations in our directory are tagged blocklist.

Blocklist is a maintained list of IPs, domains, senders, files, or applications that enterprise security and network controls explicitly deny or restrict. It matters because it enables policy enforcement against known threats and policy violations across systems and environments.

What this term record gives an agent

Vendors describe the same technology in different words. This record pins down what "blocklist" means and ties it to the companies and coverage that use it, so an agent compares like with like.

One definition

A plain definition plus how it's used, what it's often confused with and why it matters.

Neighbouring terms

Related terms in the same glossary, so an agent can widen or narrow a search the way the market does.

Get this term

The same record, three ways in. No key needed to try it.

MCP

curl -X POST https://mcp.decisioninsights.ai/api/mcp-public \
  -H "content-type: application/json" \
  -H "accept: application/json, text/event-stream" \
  -d '{"id":1,"jsonrpc":"2.0","method":"tools/call","params":{"arguments":{"slug":"blocklist"},"name":"di_get_term"}}'

REST

GET https://api.decisioninsights.ai/api/public/v1/glossary/61c4cf0e-1d50-4d96-b530-4dcbc0675f34

CLI

di get-glossary --slug blocklist

The CLI command and the REST call for this record need a free account: run di login, or send your OAuth token. Over MCP it is free with none.

Connect your agent (MCP) REST API and CLI docs

How an agent can rely on this definition

What the record lets an agent check before it uses the term in an answer.

The check	What the record shows	Where it is in the data
It's a known term	One entry, with its type (topic)	`name`
It sits in a glossary	Linked to allowlist, Firewall, Process Whitelisting, Access Control List	`inDefinedTermSet`

View the raw record (JSON-LD)

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