Is port 22 (SSH) dangerous?

Port 22 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 22 be open on my firewall?

Port 22 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 22 use?

Port 22 (SSH) uses the TCP transport protocol and falls under the Remote Access category.

:22 (TCP)

SSH

Low Risiko

TCP — Remote Access

Ikhtisar Port

Nomor Port 22

Nama Layanan SSH

Protokol Transport TCP

Kategori Remote Access

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 22?

Secure Shell. Provides encrypted remote login, command execution, and file transfer (SCP/SFTP). The standard for secure remote server administration.

TCP Remote Access Umum Digunakan

Pertimbangan Keamanan

Port 22 (SSH) 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.

Protokol Terkait

Pelajari lebih lanjut tentang protokol SSH →

Port Terkait — Remote Access

23 Telnet 57 Private Terminal Access 89 SU/MIT Telnet Gateway 95 SUPDUP 107 Remote Telnet 177 XDMCP 219 Uarps 221 FLN-SPX

Istilah Terkait

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS

SSH

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