Is port 5555 (Android ADB (Remote) / FreeBSD) dangerous?

Port 5555 is classified as critical risk and should not be exposed to the public internet. It transmits data without encryption, making it vulnerable to eavesdropping and credential theft.

Should port 5555 be open on my firewall?

No, port 5555 should not be open to the public internet. Block it at the firewall and use encrypted alternatives such as SSH, SFTP, or HTTPS instead.

What transport protocol does port 5555 use?

Port 5555 (Android ADB (Remote) / FreeBSD) uses the TCP transport protocol and falls under the Remote Access category.

:5555 (TCP)

Android ADB (Remote) / FreeBSD

Critical Risk

TCP — Remote Access

Port Overview

Port Number 5555

Service Name Android ADB (Remote) / FreeBSD

Transport Protocol TCP

Category Remote Access

Security Risk Critical

Port Range Registered (1024-49151)

What is Port 5555?

Port 5555 is used by Android Debug Bridge (ADB) for remote TCP connections to Android devices when ADB is enabled over Wi-Fi. When a device has ADB over network enabled, it listens on this port for debugging connections. This port is frequently targeted by botnets like ADB.Miner to compromise Android devices.

TCP Remote Access Commonly Used

Security Considerations

Port 5555 (Android ADB (Remote) / FreeBSD) is classified as critical risk. This port should not be exposed to the public internet. The service transmits data without encryption, making it vulnerable to eavesdropping, credential theft, and man-in-the-middle attacks.

Recommendation: Block this port at the firewall. Use encrypted alternatives (SSH, SFTP, HTTPS) instead.

Related Ports — Remote Access

22 SSH 23 Telnet 57 Private Terminal Access 89 SU/MIT Telnet Gateway 95 SUPDUP 107 Remote Telnet 177 XDMCP 219 Uarps

Related Terms

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS