Is port 17 (QOTD) dangerous?

Port 17 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 17 be open on my firewall?

Port 17 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 17 use?

Port 17 (QOTD) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:17 (TCP/UDP)

QOTD

Low Risiko

TCP/UDP — System & Infrastructure

Ikhtisar Port

Nomor Port 17

Nama Layanan QOTD

Protokol Transport TCP/UDP

Kategori System & Infrastructure

Risiko Keamanan Low

Rentang Port Well-Known (0-1023)

Apa itu Port 17?

Quote of the Day protocol. Sends a short text message (typically a quote or saying) to the connecting client. Used mainly for testing.

TCP/UDP System & Infrastructure Umum Digunakan

Pertimbangan Keamanan

Port 17 (QOTD) 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.

Port Terkait — System & Infrastructure

0 Reserved 1 TCPMUX 2 Management Utility 3 CompressNET 4 Unassigned 5 RJE 6 Unassigned 7 Echo

Istilah Terkait

Bandwidth Latency Packet Loss Ping Throughput ASN