Port 6566SANE Scanner Daemon

The SANE (Scanner Access Now Easy) network scanner daemon listens on port 6566 to facilitate communication between scanning clients and network-connected scanners. It allows users to remotely access and control scanners over a TCP/IP network, supporting distributed document digitization with compatible hardware and software..

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
7,346

rank 699 of 993 · top 70%

Technical Details

what runs on :6566

The SANE network scanner daemon is part of the SANE project's efforts to provide universal scanner access on Unix-like systems. Running as a background service, it listens on TCP port 6566 for incoming scan requests from SANE-compatible clients, enabling devices across the same network to interface with shared scanners without the need for direct hardware connection.

This protocol streamlines document digitization by transmitting control commands and image data over the network. The daemon provides functionalities such as scanner discovery, image acquisition, parameter configuration (like resolution and color depth), and error reporting to clients, adhering to SANE's flexible API structure.

SANE daemon's architecture supports diverse scanner hardware by abstracting device-specific protocols, thus facilitating interoperability. It typically integrates with front-end applications to offer graphical user interfaces or automated workflows, enhancing user experience in distributed or shared scanning environments.

Security Information

exposure of :6566

risk 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:

  • Unauthorized Access: If the daemon is exposed without proper access controls, attackers may trigger scans or exfiltrate sensitive digitized documents.
  • Denial of Service (DoS): Flooding port 6566 can disrupt scanner services, hindering legitimate use.
  • Software Exploits: Vulnerabilities in the daemon’s codebase could allow remote code execution or privilege escalation if unpatched.

Common Mitigations:

  • Network Restrictions: Use firewall rules to restrict access to port 6566 only from trusted IP addresses.
  • Use SSH Tunnels or VPNs: Secure remote access by tunneling scanner traffic through encrypted channels.
  • Authentication and Access Control: Implement user authentication where supported and limit daemon permissions.
  • Regular Updates: Keep SANE components up to date to mitigate known vulnerabilities.
  • Monitoring: Employ network/intrusion detection systems to identify suspicious activity targeting the daemon.

the 8 most looked-up other ports in network services — 604 ports carry that label.

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted