Port 6771Polycom Broadcast
Port 6771 UDP is typically used by Polycom conferencing systems to facilitate server broadcasts and device auto-discovery within corporate and enterprise networks, enabling seamless deployment and management of voice and video solutions..
- transport
- udp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 13,222
single transport
payload readable on path
used by convention
caution
rank 280 of 993 · top 28%
Technical Details
what runs on :6771Port 6771 UDP is primarily leveraged by Polycom (now part of Poly, a HP Company) for its conferencing hardware and software systems. This port is involved in transmitting broadcast packets, enabling Polycom conferencing endpoints and management servers to automatically detect one another during initial setup and in ongoing operations. This helps streamline provisioning and network integration.
The broadcast on this port often contains device information essential for configuration and management utilities such as Polycom's RealPresence Resource Manager. Using UDP broadcast reduces the need for manual IP configurations, which can be advantageous in large environments with numerous conferencing endpoints.
Because this is an unofficial port assignment, usage might slightly vary depending on firmware versions or custom deployments, but it is generally confined to internal networks. The broadcast traffic is usually limited in scope but can play a critical role in device discovery and seamless unified communication workflows.
Security Information
exposure of :6771risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
network services averages 3.9 across 604 ports — this one sits 0.1 above.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
unofficial
used by convention, not registered — what answers here varies by deployment
reachable over
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common Vulnerabilities:
- As broadcast traffic is not encrypted, attackers on the same local network could perform packet sniffing to identify device types and configurations.
- Malicious users could craft spoofed broadcast packets to disrupt device discovery, potentially causing denial-of-service or faulty configurations.
- If network segmentation is poor, unauthorized users might gain access to control or intercept communication setups.
Mitigations:
- Segment network traffic by placing conferencing systems on dedicated VLANs to isolate broadcasts.
- Use network access control measures to restrict who can join the subnet where UDP broadcasts occur.
- Enable firewall rules to limit UDP port 6771 to trusted devices.
- Where possible, consider updating firmware to enforce better authentication mechanisms.
- Explore encrypted signaling options during registration and provisioning to reduce exposure of sensitive details.
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risk mix of the 8 listed
- caution100%
0 of 8 encrypted