Is port 987 (Microsoft MAPI/HTTP) dangerous?

Port 987 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 987 be open on my firewall?

Port 987 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 987 use?

Port 987 (Microsoft MAPI/HTTP) uses the TCP transport protocol and falls under the Email category.

:987 (TCP)

Microsoft MAPI/HTTP

Medium Riesgo

TCP — Email

Resumen del puerto

Número de puerto 987

Nombre del servicio Microsoft MAPI/HTTP

Protocolo de transporte TCP

Categoría Email

Riesgo de seguridad Medium

Rango de puertos Conocidos (0-1023)

Qué es el puerto 987?

Microsoft Exchange MAPI over HTTP, introduced in Exchange 2013 SP1 as a replacement for Outlook Anywhere. Modern deployments prefer port 443.

TCP Email

Consideraciones de seguridad

El puerto 987 (Microsoft MAPI/HTTP) está clasificado como riesgo medio. Aunque este servicio se expone comúnmente, considera usar alternativas cifradas cuando estén disponibles.

Recomendación: Mantén el servicio actualizado. Monitorea los registros en busca de actividad inusual.

Puertos relacionados — Email

24 Private Mail System 25 SMTP 26 RSFTP 50 RE-MAIL-CK 58 XNS-MAIL 109 POP2 110 POP3 143 IMAP

Términos relacionados

ARP FTP HTTP ICMP IMAP NTP