Is port 63 (Whois++) dangerous?

Port 63 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 63 be open on my firewall?

Port 63 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 63 use?

Port 63 (Whois++) uses the TCP transport protocol and falls under the Other category.

:63 (TCP)

Whois++

Low Risk

TCP — Other

Port Genel Bakış

Port Numarası 63

Servis Adı Whois++

Taşıma Protokolü TCP

Kategori Other

Güvenlik Riski Low

Port Aralığı İyi Bilinen (0-1023)

Port Nedir 63?

Whois++ was an extended version of the WHOIS protocol designed to provide richer directory queries across distributed databases. It was standardized in RFC 1834 and RFC 1835 as an improvement over the basic WHOIS on port 43. The service never gained widespread adoption and is considered obsolete today.

TCP Other

Güvenlik Değerlendirmeleri

63 numaralı port (Whois++) 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 — Other

35 Private Printer Server 43 WHOIS 75 Private Dial-Out Service 78 VetTCP 91 MIT-DOV 92 NPP 104 DICOM 105 CCSO Nameserver

İlgili Terimler

ASN BGP Hijack Data Center Domain Name Dual Stack Internet Exchange Point (IXP)