Is port 30303 (Ethereum P2P) dangerous?

Port 30303 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Should port 30303 be open on my firewall?

Port 30303 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 30303 use?

Port 30303 (Ethereum P2P) uses the TCP/UDP transport protocol and falls under the Other category.

:30303 (TCP/UDP)

Ethereum P2P

Low Risiko

TCP/UDP — Other

Ikhtisar Port

Nomor Port 30303

Nama Layanan Ethereum P2P

Protokol Transport TCP/UDP

Kategori Other

Risiko Keamanan Low

Rentang Port Terdaftar (1024-49151)

Apa itu Port 30303?

Default peer-to-peer networking port for Ethereum nodes running Geth and other Ethereum clients. Used for block and transaction propagation across the Ethereum network. Both TCP (connections) and UDP (discovery) are used.

TCP/UDP Other Umum Digunakan

Pertimbangan Keamanan

Port 30303 (Ethereum P2P) diklasifikasikan sebagai risiko rendah. Layanan ini menggunakan enkripsi atau memiliki permukaan serangan yang minimal, sehingga relatif aman untuk diekspos.

Rekomendasi: Terapkan praktik keamanan standar. Jaga perangkat lunak tetap diperbarui dan pantau akses.

Port Terkait — Other

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

Istilah Terkait

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