Is port 8545 (Ethereum JSON-RPC) dangerous?

Port 8545 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 8545 be open on my firewall?

No, port 8545 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 8545 use?

Port 8545 (Ethereum JSON-RPC) uses the TCP transport protocol and falls under the Other category.

:8545 (TCP)

Ethereum JSON-RPC

Critical Riesgo

TCP — Other

Resumen del puerto

Número de puerto 8545

Nombre del servicio Ethereum JSON-RPC

Protocolo de transporte TCP

Categoría Other

Riesgo de seguridad Critical

Rango de puertos Registrados (1024-49151)

Qué es el puerto 8545?

Port 8545 is the default JSON-RPC port for Ethereum nodes (go-ethereum/geth and others) for interacting with the Ethereum blockchain. DApps, wallets, and Web3 developers use this port to query blockchain state and submit transactions. Publicly exposing this port without authentication has resulted in theft of Ethereum from hot wallets.

TCP Other De uso común

Consideraciones de seguridad

El puerto 8545 (Ethereum JSON-RPC) 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.

Puertos relacionados — Other

35 Private Printer Server 43 WHOIS 63 Whois++ 75 Private Dial-Out Service 78 VetTCP 91 MIT-DOV 92 NPP 104 DICOM

Términos relacionados

ASN BGP Hijack Data Center Domain Name Dual Stack Internet Exchange Point (IXP)