Is port 309 (EntrustTime) dangerous?

Port 309 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 309 be open on my firewall?

Port 309 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 309 use?

Port 309 (EntrustTime) uses the TCP/UDP transport protocol and falls under the Security & VPN category.

:309 (TCP/UDP)

EntrustTime

Low Risiko

TCP/UDP — Security & VPN

Ikhtisar Port

Nomor Port 309

Nama Layanan EntrustTime

Protokol Transport TCP/UDP

Kategori Security & VPN

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 309?

Entrust Time Stamping. Used by Entrust for cryptographic time stamping services to prove document existence at a specific time.

TCP/UDP Security & VPN

Pertimbangan Keamanan

Port 309 (EntrustTime) 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 — Security & VPN

31 MSG-AUTH 48 Auditd 49 TACACS 56 XNS-AUTH 62 ACA Services 65 TACACS-DS 88 Kerberos 90 DNSIX Security

Istilah Terkait

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS