Is port 12345 (NetBus / Custom Apps) dangerous?

Port 12345 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 12345 be open on my firewall?

No, port 12345 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 12345 use?

Port 12345 (NetBus / Custom Apps) uses the TCP/UDP transport protocol and falls under the Security & VPN category.

:12345 (TCP/UDP)

NetBus / Custom Apps

Critical Riesgo

TCP/UDP — Security & VPN

On this page

Resumen del puerto

Número de puerto 12345

Nombre del servicio NetBus / Custom Apps

Protocolo de transporte TCP/UDP

Categoría Security & VPN

Riesgo de seguridad Critical

Rango de puertos Registrados (1024-49151)

Qué es el puerto 12345?

Historically associated with NetBus, an early remote administration and trojan tool from the late 1990s. Still flagged as suspicious in security scans when found open unexpectedly. Also used by various custom and development applications.

TCP/UDP Security & VPN

Consideraciones de seguridad

El puerto 12345 (NetBus / Custom Apps) está clasificado como riesgo crítico. Este puerto no debe exponerse a internet público. El servicio transmite datos sin cifrado, haciéndolo vulnerable a escuchas, robo de credenciales y ataques de intermediario.

Recomendación: Bloquea este puerto en el firewall. Utiliza alternativas cifradas (SSH, SFTP, HTTPS) en su lugar.

NetBus / Custom Apps

Resumen del puerto

Qué es el puerto 12345?

Consideraciones de seguridad

Puertos relacionados — Security & VPN

Términos relacionados