Port 1947Aladdin HASP License Manager
Port 1947 is primarily used by the Aladdin HASP License Manager, a system responsible for managing software licensing through hardware or software-based security keys. This service enables developers and organizations to enforce copy protection, ensure software compliance, and administrate license allocation via network communication..
- transport
- tcp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 15,417
single transport
payload readable on path
registered with iana
caution
rank 208 of 993 · top 21%
Technical Details
what runs on :1947Port 1947 is designated for the Aladdin HASP License Manager (later SafeNet Sentinel), a network service that facilitates communication between protected software applications and local or remote licensing servers equipped with a HASP Hardware Security Module (dongle) or a software-based license. The license manager serves requests from client machines to authenticate licenses, enforce usage limits, or update licensing information dynamically.
Licensing servers listen on TCP port 1947, enabling centralized management and monitoring across distributed environments. The service supports various protocols and functions, including license borrowing, concurrency management, and feature entitlement verification. It integrates with developer SDKs to embed protection controls within software products.
The HASP framework is widely integrated into commercial software across verticals — CAD, engineering, scientific, media production — to combat piracy. The license manager communicates licensing status updates and responds to API calls from client software to permit or deny access based on valid entitlements stored on the licensing server or dongle.
Security Information
exposure of :1947risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
security averages 3.8 across 216 ports — this one sits 0.2 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
Common Vulnerabilities:
- Unauthorized access if network boundaries are not properly secured, exposing license servers to rogue clients attempting license tampering or enumeration
- Replay attacks or license token interception if communication is unencrypted
- Denial of service attacks from excessive or malformed requests, which may disrupt legitimate software usage
- Reverse engineering of client interactions or license files, leading to software piracy
Common Mitigations:
- Restrict port 1947 exposure to trusted internal networks using firewalls and VLAN segmentation
- Deploy the license manager behind VPNs or SSH tunnels to protect communication channels
- Enable access control lists and strong authentication policies on the license server
- Keep license management software updated to patch security flaws
- Log and monitor licensing requests for unusual activity
- Employ software obfuscation and anti-debugging techniques in client applications to hinder reverse engineering attempts
Related Ports
the 8 most looked-up other ports in security — 216 ports carry that label.
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|---|---|---|---|---|---|
| :8881 | Atlasz Secure Server | TCP | Web Services | caution | 67.6k |
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| :3268 | Microsoft Global Catalog (GC) | TCPUDP | Security | caution | 54.6k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :3128 | Squid Proxy HTTP | TCP | Web Services | caution | 45.8k |
| :8080 | HTTP Alternate | TCPtls | Web Services | caution | 44.9k |
| :7000 | Vuze HTTPS Tracker | TCPtls | Security | caution | 28.9k |
risk mix of the 8 listed
- caution100%
3 of 8 encrypted