Is port 177 (XDMCP) dangerous?

Port 177 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 177 be open on my firewall?

Port 177 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 177 use?

Port 177 (XDMCP) uses the UDP transport protocol and falls under the Remote Access category.

:177 (UDP)

XDMCP

High Risiko

UDP — Remote Access

Ikhtisar Port

Nomor Port 177

Nama Layanan XDMCP

Protokol Transport UDP

Kategori Remote Access

Risiko Keamanan High

Rentang Port Well-Known (0-1023)

Apa itu Port 177?

XDMCP (X Display Manager Control Protocol) allows X Window System display terminals to request a login session from a remote XDMCP server. Transmits credentials in cleartext.

UDP Remote Access

Pertimbangan Keamanan

Port 177 (XDMCP) 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 — Remote Access

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

Istilah Terkait

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS