Is port 19 (CHARGEN) dangerous?

Port 19 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 19 be open on my firewall?

Port 19 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 19 use?

Port 19 (CHARGEN) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:19 (TCP/UDP)

CHARGEN

High Risiko

TCP/UDP — System & Infrastructure

Ikhtisar Port

Nomor Port 19

Nama Layanan CHARGEN

Protokol Transport TCP/UDP

Kategori System & Infrastructure

Risiko Keamanan High

Rentang Port Well-Known (0-1023)

Apa itu Port 19?

Character Generator protocol. Continuously sends a stream of characters to the client. Used for network testing but is a known vector for amplification DDoS attacks.

TCP/UDP System & Infrastructure Umum Digunakan

Pertimbangan Keamanan

Port 19 (CHARGEN) 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 — 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