Is port 1503 (Windows Live Messenger) dangerous?

Port 1503 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 1503 be open on my firewall?

Port 1503 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 1503 use?

Port 1503 (Windows Live Messenger) uses the TCP transport protocol and falls under the Messaging category.

:1503 (TCP)

Windows Live Messenger

Low Risiko

TCP — Messaging

Ikhtisar Port

Nomor Port 1503

Nama Layanan Windows Live Messenger

Protokol Transport TCP

Kategori Messaging

Risiko Keamanan Low

Rentang Port Terdaftar (1024-49151)

Apa itu Port 1503?

Port 1503 was used by Microsoft NetMeeting and Windows Live Messenger (MSN Messenger) for data conferencing and file transfer. It supported whiteboard sharing, application sharing, and file transfer in Microsoft's conferencing products. The service was discontinued in 2013 when Microsoft migrated users to Skype.

TCP Messaging

Pertimbangan Keamanan

Port 1503 (Windows Live Messenger) 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 — Messaging

18 MSP 87 ttylink / link 98 TACNews 99 Metagram 119 NNTP 169 SEND 194 IRC 218 MPP

Istilah Terkait

ARP FTP HTTP ICMP IMAP NTP