Port 1547Laplink
Laplink is a proprietary file transfer software originally designed to simplify migrating files and settings between PCs. It leverages this dedicated port to establish connections between devices, enabling quick, user-friendly migration or synchronization tasks without needing extensive configuration..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 4,133
2 transports registered
payload readable on path
registered with iana
caution
rank 980 of 993 · top 99%
Technical Details
what runs on :1547Laplink software uses port 1547 for its communication, primarily to facilitate peer-to-peer data transfer between two computers. It typically operates by creating a direct connection that allows file migration, disk imaging, or system transfer, supporting various transfer mediums such as parallel cables, USB, and network TCP/IP connections.
Technically, the protocol manages session establishment, data segmentation, error correction, and reconnection if a link is dropped. Being compatible with both TCP and UDP, it can provide reliable transfers over TCP or faster, connectionless interactions with UDP depending on the source and destination configurations.
Since it's proprietary, comprehensive protocol specifications are not publicly disclosed. However, the design emphasizes ease of user interaction and cross-version compatibility, intended mainly for consumer or SMB use during PC upgrades, migrations, or cloning scenarios.
Security Information
exposure of :1547risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
file transfer averages 4.1 across 114 ports — this one sits 0.1 below.
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 Laplink's service on port 1547 include:
- Lack of Encryption: Data transfers may occur in plaintext, making it susceptible to eavesdropping or man-in-the-middle attacks.
- Unauthorized Access: Exposure of this open port could allow attackers to attempt unauthorized connections, possibly leveraging flaws in the authentication process.
- Service Exploitation: Attackers could exploit weaknesses to crash the service, resulting in denial-of-service conditions or even remote code execution depending on software vulnerabilities.
To mitigate these risks:
- Restrict Access: Implement network segmentation and firewall rules to limit access to trusted devices only.
- Use VPNs: Run Laplink transfers through encrypted VPN tunnels to protect data in transit.
- Update Regularly: Keep Laplink software up-to-date to patch any discovered vulnerabilities.
- Monitor Traffic: Employ intrusion detection systems to identify unusual activities on port 1547.
- Disable Service After Use: Close the port and uninstall software if it is no longer required to reduce the attack surface.
Related Ports
the 8 most looked-up other ports in file transfer — 114 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :9080 | Groove RPC | TCPUDP | Web Services | caution | 70.8k |
| :17500 | Dropbox LAN Sync | TCPUDP | File Transfer | caution | 43.7k |
| :548 | Apple Filing Protocol | TCP | File Transfer | caution | 36.8k |
| :7000 | Vuze HTTPS Tracker | TCPtls | Security | caution | 28.9k |
| :1337 | PowerFolder P2P | TCP | Security | caution | 27.1k |
| :9001 | SharePoint Authoring | Web Services | caution | 26.3k | |
| :8080 | FilePhile Relay | UDP | File Transfer | caution | 25.6k |
| :1337 | WASTE Encrypted Sharing | TCP | Security | caution | 22.9k |
risk mix of the 8 listed
- caution100%
1 of 8 encrypted