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zeek_query_ssl

Search SSL/TLS connection logs by filtering on SNI hostname, TLS version, certificate validation status, subject, or issuer to identify connections matching security criteria.

Instructions

Search Zeek SSL/TLS connection logs. Filter by SNI hostname, TLS version, certificate validation status, subject, and issuer.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dstIpNoDestination IP address
limitNoMax results
srcIpNoSource IP address
issuerNoCertificate issuer (partial match)
timeToNoEnd time (ISO 8601)
subjectNoCertificate subject (partial match)
versionNoTLS version (TLSv10, TLSv11, TLSv12, TLSv13, SSLv3)
timeFromNoStart time (ISO 8601)
serverNameNoSNI hostname (supports wildcards)
validationStatusNoCertificate validation status (ok, self signed certificate, etc.)
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, and the description does not disclose behavioral traits such as pagination, rate limits, or cost. It only describes search functionality. More detail would improve transparency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single concise sentence, front-loaded with the action and key filters. While effective, it could be slightly more structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema and 10 optional parameters, the description lacks information on return format, pagination, or default behavior. It covers the basics but is incomplete for a tool of this complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, and the description adds little beyond reiterating some filter fields. Baseline 3 is appropriate as schema already documents parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool searches Zeek SSL/TLS connection logs and lists specific filterable fields (SNI hostname, TLS version, etc.), effectively distinguishing it from sibling tools like zeek_query_connections and zeek_query_dns.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for SSL/TLS log analysis but does not explicitly state when to use this over alternatives or provide negative guidance. The naming and context provide sufficient clarity.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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