Is port 953 (RNDC) dangerous?

Port 953 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 953 be open on my firewall?

Port 953 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 953 use?

Port 953 (RNDC) uses the TCP transport protocol and falls under the DNS category.

:953 (TCP)

RNDC

High Risiko

TCP — DNS

Ikhtisar Port

Nomor Port 953

Nama Layanan RNDC

Protokol Transport TCP

Kategori DNS

Risiko Keamanan High

Rentang Port Well-Known (0-1023)

Apa itu Port 953?

BIND Remote Name Daemon Control (RNDC), used to remotely control the BIND named DNS server daemon. Uses HMAC-SHA256 authentication. Unauthorized access would allow cache flushing or DNS service halt.

TCP DNS Umum Digunakan

Pertimbangan Keamanan

Port 953 (RNDC) 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 — DNS

42 WINS / nameserver 53 DNS 101 NIC Host Name 202 AT-NBP 206 AT-ZIS 558 SDNSKMP 634 GINAD 853 DNS over TLS

Istilah Terkait

A Record AAAA Record Authoritative DNS Server CNAME Record DNS DNS Resolver