Is port 749 (Kerberos Admin) dangerous?

Port 749 is classified as high risk. It is a common target for automated scanning and brute-force attacks. Restrict access to trusted IPs if exposure is necessary.

Should port 749 be open on my firewall?

Port 749 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 749 use?

Port 749 (Kerberos Admin) uses the TCP/UDP transport protocol and falls under the Security & VPN category.

:749 (TCP/UDP)

Kerberos Admin

High Risiko

TCP/UDP — Security & VPN

Ikhtisar Port

Nomor Port 749

Nama Layanan Kerberos Admin

Protokol Transport TCP/UDP

Kategori Security & VPN

Risiko Keamanan High

Rentang Port Well-Known (0-1023)

Apa itu Port 749?

Kerberos 5 administration server (kadmin), used to remotely administer the KDC including adding, modifying, and deleting principals. Exposure outside the administrative network is a significant security risk.

TCP/UDP Security & VPN Umum Digunakan

Pertimbangan Keamanan

Port 749 (Kerberos Admin) diklasifikasikan sebagai risiko tinggi. Port ini adalah target umum untuk pemindaian otomatis dan serangan brute-force. Jika harus diekspos, batasi akses ke alamat IP yang diketahui.

Rekomendasi: Gunakan aturan firewall untuk memasukkan IP tepercaya ke whitelist. Aktifkan pembatasan kecepatan dan deteksi intrusi.

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