Port 83MIT ML Device
Port 83 is allocated to the MIT ML Device protocol, historically associated with early MIT research networking hardware. While not widely adopted in modern production environments, it sometimes appears in legacy systems or specialized academic projects. Due to its limited current use, detailed information is sparse, but it represents an example of early experimental network protocol assignments..
- transport
- tcp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 23,102
single transport
payload readable on path
registered with iana
caution
rank 88 of 993 · top 9%
Technical Details
what runs on :83-
Overview: Port 83, named 'MIT ML Device,' was intended to facilitate communication with specific hardware developed by MIT during the early networking era. It is primarily designed for TCP-based interactive or data transfer sessions between research computers or specialized lab equipment.
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Protocol Behavior: Unlike standardized protocols, MIT ML Device does not have a formal RFC defining its operation, and its use was mainly internal or experimental. It likely involved simple text-based or binary communications for device management or data collection over TCP. Because of this, implementations varied, depending on the specific research hardware.
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Current Relevance: Today, port 83 is rarely utilized outside of legacy research environments. It remains reserved in the official IANA port lists, mostly for historical reasons. Most modern operating systems do not associate any default daemon or service with this port.
Security Information
exposure of :83risk 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
every listening transport is another surface to filter at the edge
security overview
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Common Vulnerabilities:
- Lack of encryption or authentication, making data susceptible to interception or modification.
- Open port can be leveraged by attackers for reconnaissance, service fingerprinting, or exploitation of poorly configured services.
- Legacy devices might have outdated or unpatched software, increasing exploit risk.
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Mitigations:
- Disable or restrict access to port 83 unless explicitly required.
- Use firewall rules to limit inbound connections to trusted IP addresses.
- Employ network segmentation to isolate legacy systems.
- Implement monitoring and intrusion detection to identify abnormal activity.
- When possible, replace legacy devices with modern, supported alternatives.
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