- transport
- tcp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 6,867
single transport
payload readable on path
used by convention
caution
rank 743 of 993 · top 75%
Technical Details
what runs on :5591Tidal Enterprise Scheduler is a comprehensive tool used to automate, control, and manage the execution of batch jobs and workflows. The master port, typically set to 5591, acts as the main communication hub between the scheduler’s components including clients, agents, and the management console.
When the master listens on TCP port 5591, it manages scheduling instructions, job statuses, and execution data exchange. It orchestrates job submissions, monitors outputs, and manages dependencies, ensuring automated processes across different systems and platforms run smoothly and on schedule.
Its architecture supports integration with numerous applications such as databases, ERP systems, and cloud resources. Communication through this port is vital for synchronizing enterprise workflows, handling triggers, and maintaining job execution consistency across distributed environments.
Security Information
exposure of :5591risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
system averages 3.9 across 342 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
tcp
every listening transport is another surface to filter at the edge
security overview
Common Vulnerabilities:
- Unauthorized access attacks due to weak authentication or default credentials.
- Exposure to denial-of-service (DoS) attacks aimed at disrupting scheduling services.
- Potential data interception if communications are unencrypted, which can lead to manipulation or eavesdropping.
Common Mitigations:
- Implement strict access controls and strong authentication measures.
- Employ network segmentation and firewall rules to restrict access to trusted hosts only.
- Enable encryption or tunneling methods (such as VPNs) to secure communications if native encryption is unavailable.
- Keep the Tidal platform and its dependencies up-to-date with security patches.
- Regularly audit logs and monitor port activity for anomalies.
Related Ports
the 8 most looked-up other ports in system — 342 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8888 | Sun Answerbook & Alt HTTP | TCP | Web Services | caution | 123.9k |
| :4664 | Google Desktop Search | TCP | System | caution | 67.2k |
| :8008 | IBM HTTP Server Admin | TCP | Web Services | caution | 58.3k |
| :3268 | Microsoft Global Catalog (GC) | TCPUDP | Security | caution | 54.6k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :9080 | WebSphere HTTP Transport (default) | TCP | Web Services | caution | 51.6k |
| :23 | Telnet | TCP | Remote Access | caution | 34.8k |
| :12489 | NSClient Monitoring Agent | TCP | Network Services | caution | 30.0k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted