InLine RJ45 Port Blocker, 20-Pack Refill, Black

The InLine Port Blocker 55722N is a pack of 20 black RJ-45 port blockers designed to secure network ports on computers and network equipment. The set provides a discreet physical barrier that prevents unauthorized access to Ethernet ports, helping maintain network integrity and reduce the risk of data exfiltration via unused connectors.

Advantages

The pack contains 20 individual black RJ-45 blockers that fit standard Ethernet ports. Installation is quick and tool-free, offering a simple physical access control method. The compact black design is unobtrusive and suitable for office, lab or public environments where visible security measures are undesirable.

Suitable for

Key specifications

How to use

Identify the RJ-45 ports to be secured, then insert a port blocker into each unused Ethernet jack until it is seated. To restore access, remove the blocker by pulling it straight out. No tools are required for installation or removal; handle the blockers by the visible edge to avoid damaging ports.

Recommendations

Use these port blockers as part of a broader network security protocol: label blocked ports if needed, keep spare units available, and combine physical blocking with software and policy controls to ensure comprehensive protection.