Is port 1998 (Cisco X.25) dangerous?

Port 1998 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 1998 be open on my firewall?

Port 1998 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 1998 use?

Port 1998 (Cisco X.25) uses the TCP transport protocol and falls under the System & Infrastructure category.

:1998 (TCP)

Cisco X.25

Low Risk

TCP — System & Infrastructure

Port Genel Bakış

Port Numarası 1998

Servis Adı Cisco X.25

Taşıma Protokolü TCP

Kategori System & Infrastructure

Güvenlik Riski Low

Port Aralığı Kayıtlı (1024-49151)

Port Nedir 1998?

Port 1998 is used by Cisco for X.25 service access in IOS-based routers. X.25 is a legacy packet-switched WAN protocol that was widely used before Frame Relay and modern broadband. This port appears in legacy Cisco router configurations that still support X.25 connectivity.

TCP System & Infrastructure

Güvenlik Değerlendirmeleri

1998 numaralı port (Cisco X.25) düşük risk olarak sınıflandırılmıştır. Bu hizmet şifreleme kullanmakta veya minimal bir saldırı yüzeyine sahip olup açılması görece güvenlidir.

Öneri: Standart güvenlik uygulamaları geçerlidir. Yazılımı güncel tutun ve erişimi izleyin.

İlgili Portlar — System & Infrastructure

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

İlgili Terimler

Bandwidth Latency Packet Loss Ping Throughput ASN