Corelight Zeek vs RDFP: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Corelight Zeek is a free network detection and response tool by Zeek. RDFP is a free network detection and response tool. Compare features, ratings, integrations, and community reviews side by side to find the best network detection and response fit for your security stack.
CST VerdictBased on our analysis of core features, integrations, here is our conclusion:
Network security teams with limited budgets who need visibility into encrypted traffic and lateral movement will get the most from Corelight Zeek; its passive monitoring generates 70+ log types from network packets alone, catching threats that endpoint tools miss. The 3,000+ event types tracked and 270+ community packages mean you're not building detection logic from scratch. Skip this if your team lacks the expertise to tune Zeek output or integrate raw network logs into your existing SIEM; Zeek demands engineering effort upfront and won't hand you pre-built dashboards.
Security teams running Zeek for network visibility will find immediate value in RDFP for identifying unauthorized or outdated Remote Desktop clients on the wire, something most NDR platforms treat as noise rather than a detection signal. The script requires no additional infrastructure beyond existing Zeek deployments and costs nothing, making it a quick add to detect client-side RDP vulnerabilities that endpoint tools often miss. Skip this if your organization relies on application allowlisting or has already eliminated RDP from your environment; RDFP is tactical network hygiene, not a replacement for access controls.
