Port 2211EMWIN
The Emergency Managers Weather Information Network (EMWIN) is a service sponsored by the U.S. National Weather Service to broadcast real-time weather data and warnings. EMWIN provides continuous dissemination of critical meteorological information to emergency managers, government agencies, and interested private users to enhance public safety, support disaster response, and aid weather forecasting..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 6,086
2 transports registered
payload readable on path
registered with iana
caution
rank 819 of 993 · top 82%
1 other service is registered on port 2211. compare all 2 →
Technical Details
what runs on :2211EMWIN (Emergency Managers Weather Information Network) is a data broadcast system managed by the U.S. National Weather Service. It disseminates national and local weather data, forecasts, warnings, and graphics in near real-time over a variety of communication protocols, facilitating rapid distribution to emergency managers and interested parties.
Port 2211 serves as an endpoint for EMWIN data transmission over IP networks using both TCP and UDP. Organizations utilize this port to receive weather data feeds directly for integration into their alerting systems and decision support tools. The protocol ensures broad accessibility, and resilience via satellite broadcasts and internet relay points, thus bolstering communication redundancy during emergencies.
EMWIN-compatible applications process the data stream provided via this port, converting NWS products into formats suitable for internal alerting, situational awareness dashboards, or redistribution. Its multi-protocol design supports varying bandwidth and infrastructure environments, making it a flexible choice for critical weather information delivery.
Security Information
exposure of :2211risk 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
official
registered with iana for this service — scanners fingerprint it by number
reachable over
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common vulnerabilities associated with EMWIN on port 2211 can include:
- Unauthenticated data access, allowing unauthorized parties to receive or possibly inject false weather data
- Susceptibility to denial of service (DoS) attacks targeting the service with malformed packets or traffic floods
- Plaintext transmission exposing data streams to eavesdropping or replay attacks
Mitigations for these issues involve:
- Network segmentation and strict access controls to restrict EMWIN server access to authorized clients
- Deploying rate limiting and intrusion detection systems to identify and block abnormal traffic patterns
- Where feasible, encapsulating feeds within encrypted tunnels (VPNs or TLS wrappers) to prevent data interception
- Regularly monitoring and updating EMWIN receiving software to address protocol vulnerabilities and maintain operational security.
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risk mix of the 8 listed
- caution100%
0 of 8 encrypted