Port 99WIP Message Protocol
The WIP Message Protocol operating over port 99 is a messaging or inter-process communication protocol used by specific applications or legacy systems. It facilitates data transfer between clients and servers, enabling message exchanging within a network. Though unofficial and not widely adopted, it supports specialized communication in niche environments..
- transport
- tcp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 5,252
single transport
payload readable on path
used by convention
caution
rank 902 of 993 · top 91%
Technical Details
what runs on :99WIP Message Protocol is designed for messaging and control communications between systems primarily over TCP port 99. Since it is not an officially standardized protocol, its specifications tend to be proprietary and vary by implementation, catering to specific software or embedded environment requirements. Usually, it provides a command/response messaging model ensuring data can be reliably transmitted between endpoints.
Technically, this protocol leverages the inherent reliability and connection-oriented nature of TCP, enabling sequenced delivery, error detection, and retransmission mechanisms by default. This helps maintain message integrity and order, making it suitable for job coordination, intra-application signaling, or device management messaging where data correctness is essential.
Because it lacks formal standardization, interoperability requires that both client and server are explicitly designed to understand the WIP messaging structure. Usage scenarios may include legacy industrial control systems, custom management applications, or proprietary middleware communication, often found in closed or tightly controlled environments.
Security Information
exposure of :99risk 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
every listening transport is another surface to filter at the edge
security overview
Common Vulnerabilities:
- Lack of encryption leads to susceptibility to eavesdropping and man-in-the-middle attacks.
- Absence of standardized authentication methods can allow unauthorized access or command injection.
- Potential for buffer overflows or injection vulnerabilities due to unvalidated input from clients.
Common Mitigations:
- Implementing network segmentation and access controls to limit exposure.
- Securing communications via additional layers such as VPNs or SSH tunneling.
- Enabling strict input validation and sanitization to prevent exploitation.
- Employing monitoring and anomaly detection for suspicious activity related to port 99.
- Moving to more secure, modern protocols if feasible.
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