Port 3537NI-VISA Remote
NI-VISA Remote Port is used primarily by National Instruments' software for remote device management and instrument control over TCP/IP networks. It facilitates communication between remote client applications and VISA-compatible devices, enabling remote configuration, monitoring, and operation of test equipment and laboratory hardware..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 4,890
2 transports registered
payload readable on path
used by convention
caution
rank 931 of 993 · top 94%
Technical Details
what runs on :3537NI-VISA (Virtual Instrument Software Architecture) is a standard developed by National Instruments to enable communication with test instruments using various hardware interfaces including GPIB, serial, USB, and Ethernet. Port 3537 is utilized to provide remote access capabilities over networked environments, allowing software applications on different machines to interact seamlessly with VISA-enabled instruments.
Using a client-server model, the remote server component listens on port 3537 for incoming connections from client applications. These clients send VISA commands that are then routed to underlying instrument hardware. This setup simplifies management within distributed laboratory setups, enabling centralized or collaborative data acquisition and device management.
The implementation supports both TCP and UDP transport protocols for different communication needs — TCP offers reliable, connection-oriented communication suitable for control signals, while UDP provides faster, connectionless messaging ideally suited for lightweight queries or broadcast-style messaging such as device discovery.
Security Information
exposure of :3537risk 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
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common Vulnerabilities:
- Unauthorized access due to weak authentication mechanisms, potentially allowing attackers control over measurement equipment.
- Unencrypted communication can be intercepted, leading to data leakage or manipulation of instrument commands.
- Exploiting buffer overflows or poorly handled requests to cause denial-of-service or arbitrary code execution.
Common Mitigations:
- Restrict network access to trusted hosts using firewalls and ACLs.
- Implement strong authentication and consider tunneling traffic over secure channels such as VPNs or SSH tunnels.
- Use secure coding standards in applications interacting with NI-VISA to prevent exploitation.
- Regularly update NI software and monitor network activity for unusual access patterns or attempts.
Related Ports
the 8 most looked-up other ports in network services — 604 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :9080 | Groove RPC | TCPUDP | Web Services | caution | 70.8k |
| :6543 | Jetnet | UDP | Network Services | caution | 65.3k |
| :5938 | TeamViewer | TCPUDP | Remote Access | caution | 65.0k |
| :8291 | Winbox MikroTik Admin | TCP | Security | caution | 62.9k |
| :3233 | WhiskerControl Protocol | TCPUDP | Network Services | caution | 61.9k |
| :3268 | Microsoft Global Catalog (GC) | TCPUDP | Security | caution | 54.6k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :3128 | Tatsoft Default HTTP Proxy | TCP | Web Services | caution | 46.8k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted