Is port 37777 (Dahua DVR TCP) dangerous?

Port 37777 is classified as critical risk and should not be exposed to the public internet. It transmits data without encryption, making it vulnerable to eavesdropping and credential theft.

Should port 37777 be open on my firewall?

No, port 37777 should not be open to the public internet. Block it at the firewall and use encrypted alternatives such as SSH, SFTP, or HTTPS instead.

What transport protocol does port 37777 use?

Port 37777 (Dahua DVR TCP) uses the TCP transport protocol and falls under the Other category.

:37777 (TCP)

Dahua DVR TCP

Critical Risiko

TCP — Other

Ikhtisar Port

Nomor Port 37777

Nama Layanan Dahua DVR TCP

Protokol Transport TCP

Kategori Other

Risiko Keamanan Critical

Rentang Port Terdaftar (1024-49151)

Apa itu Port 37777?

Default TCP client access port for Dahua brand DVR, NVR, and IP camera systems. Used by Dahua's proprietary client software (SmartPSS, DSS) for remote viewing and management. Heavily targeted in botnet and vulnerability scanning campaigns.

TCP Other Umum Digunakan

Pertimbangan Keamanan

Port 37777 (Dahua DVR TCP) diklasifikasikan sebagai risiko kritis. Port ini tidak boleh diekspos ke internet publik. Layanan ini mentransmisikan data tanpa enkripsi, sehingga rentan terhadap penyadapan, pencurian kredensial, dan serangan man-in-the-middle.

Rekomendasi: Blokir port ini di firewall. Gunakan alternatif terenkripsi (SSH, SFTP, HTTPS) sebagai gantinya.

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)