Port 5517Setiqueue Proxy

Setiqueue Proxy is used by the SETI@Home project to manage data distribution between client hosts and the central servers. It acts as an intermediary to cache work units and responses, improving efficiency for distributed computing environments participating in the search for extraterrestrial intelligence..

transport
tcp

single transport

in transit
encrypted

payload protected on the wire

assignment
unofficial

used by convention

risk
5/10

caution

lookups
8,031

rank 634 of 993 · top 64%

Technical Details

what runs on :5517

Setiqueue Proxy is specifically designed to facilitate data management for the distributed SETI@Home project. It serves as a caching intermediary, allowing multiple participants or clients to communicate through a single proxy server rather than directly with SETI@Home servers. This proxy stores work units downloaded from SETI@Home servers and redistributes them to local clients, reducing redundant network traffic and server load.

The proxy handles communication primarily over TCP port 5517, maintaining the integrity of data packets and managing retries in the event of network interruptions. By queuing and caching data, the proxy enhances the project scalability, allowing many clients behind firewalls or NAT devices to participate without individual outbound requests.

Generally implemented in environments with numerous participants, Setiqueue Proxy also helps users optimize bandwidth usage and manage security policies more easily. Its straightforward implementation has made it popular among university labs and large volunteer groups contributing to distributed computing.

Security Information

exposure of :5517

risk score

5/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

cloud averages 4.0 across 102 ports — this one sits 1.0 above.

in transit

encrypted

payloads are protected on the wire

assignment

unofficial

used by convention, not registered — what answers here varies by deployment

reachable over

tcp

every listening transport is another surface to filter at the edge

security overview

Common Vulnerabilities:

  • Unauthorized access if the proxy is exposed openly to the internet
  • Potential data interception or manipulation if encryption is improperly configured
  • Exploitation via unpatched proxy software leading to denial of service or data leakage

Common Mitigations:

  • Restrict port 5517 exposure to trusted internal networks using firewall policies
  • Ensure transport encryption is enforced and securely configured
  • Regularly update proxy software to address vulnerabilities
  • Employ authentication methods to control client access to the proxy
  • Implement monitoring and logging to detect abnormal activities or intrusion attempts

the 8 most looked-up other ports in cloud — 102 ports carry that label.

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted