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 Risiko

TCP — Other

On this page

Ikhtisar Port

Nomor Port 8545

Nama Layanan Ethereum JSON-RPC

Protokol Transport TCP

Kategori Other

Risiko Keamanan Critical

Rentang Port Terdaftar (1024-49151)

Apa itu Port 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 Umum Digunakan

Pertimbangan Keamanan

Port 8545 (Ethereum JSON-RPC) diklasifikasikan sebagai risiko kritis. Port ini tidak boleh diekspos ke internet publik. Layanan ini mentransmisikan data tanpa enkripsi, sehingga rentan terhadap penyadapan, pencurian kredensial, dan serangan man-in-the-middle.

Rekomendasi: Blokir port ini di firewall. Gunakan alternatif terenkripsi (SSH, SFTP, HTTPS) sebagai gantinya.

Ethereum JSON-RPC

Ikhtisar Port

Apa itu Port 8545?

Pertimbangan Keamanan

Port Terkait — Other

Istilah Terkait