- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 8,129
2 transports registered
payload readable on path
registered with iana
caution
rank 624 of 993 · top 63%
Technical Details
what runs on :6445Sun Grid Engine (SGE) provides a distributed resource management system suited for compute clusters. The Execution Service component listens on port 6445 and facilitates the distribution and execution of jobs submitted to the grid by users or automated workflows. It manages resource allocation based on configured policies, optimizes job placement on compute nodes, and monitors job status. Communication across the cluster utilizes standardized protocols, often involving both TCP and UDP for data transfer and control signals.
The Execution Service acts as the backend agent running on each compute node. Upon receiving job scheduling information from the master scheduler, it spawns processes, monitors resource consumption such as CPU, memory, I/O, and reports status updates back. This bi-directional communication ensures cluster-wide health visibility and helps maintain workload balance.
Sun Grid Engine is typically deployed in scientific, academic, and enterprise HPC environments for batch processing of intensive computational workloads. The design prioritizes scalability, fault tolerance, job prioritization, and flexible user management through its robust Execution Service architecture.
Security Information
exposure of :6445risk 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
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 Sun Grid Engine Execution Service include:
- Lack of encrypted communication by default, which can expose job data and credentials to interception
- Weak authentication controls potentially allowing unauthorized job submissions or node impersonation
- Exposure to denial-of-service (DoS) attacks through overwhelming job submissions or malformed packets
- Exploitable flaws in older SGE versions leading to remote code execution or data leakage
Mitigations typically recommended:
- Enabling secure communication channels such as SSH tunneling or VPNs around SGE ports
- Implementing network segmentation and strict firewall rules to limit access to trusted cluster participants only
- Keeping SGE installations updated with the latest patches against known vulnerabilities
- Using strong authentication and role-based access controls for job submission interfaces
- Monitoring cluster traffic for unusual patterns that might indicate attacks or misuse
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