What are the 15 ports commonly used in ECS instances

This article mainly introduces what are the 15 ports commonly used in ECS examples, which are very detailed and have certain reference value. Friends who are interested must finish reading them.

Introduction to common ports of ECS instances

The following is a list of common ports for ECS instances:

Unable to access some ports

Phenomenon: the ECS instance listens on the corresponding port, but this port is inaccessible in some areas, while other ports have normal access.

Analysis: some operators judge that ports 135,139,444,445,5800 and 5900 are high-risk ports, which are blocked by default.

Solution: it is recommended that you modify sensitive ports to other non-high-risk ports to carry business.

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