Is port 2000 (Cisco SCCP) dangerous?

Port 2000 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 2000 be open on my firewall?

Port 2000 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 2000 use?

Port 2000 (Cisco SCCP) uses the TCP transport protocol and falls under the Streaming & Media category.

:2000 (TCP)

Cisco SCCP

Medium Risk

TCP — Streaming & Media

Port Overview

Port Number 2000

Service Name Cisco SCCP

Transport Protocol TCP

Category Streaming & Media

Security Risk Medium

Port Range Registered (1024-49151)

What is Port 2000?

Port 2000 is used by Cisco's Skinny Client Control Protocol (SCCP), also known as Skinny, for VoIP telephony. Cisco IP phones connect to Cisco Unified Communications Manager (CallManager) on this port to register and receive call signaling. It is fundamental to Cisco's enterprise VoIP infrastructure.

TCP Streaming & Media Commonly Used

Security Considerations

Port 2000 (Cisco SCCP) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.

Related Ports — Streaming & Media

322 RTSPS 420 SMPTE 453 CreativeServer 458 AppleQuickTime 466 Digital-VRC 534 MegaMedia-Admin 537 NMsp 545 appleqtcsrvr

Related Terms

Caching CDN CORS HTTP Status Codes Load Balancer REST API