The port caching feature of ESA allows you to cache content on specific ports. By default, the ESA service caches static requests only on traditional HTTP/HTTPS ports, such as 80 and 443. ESA also allows you to enable caching on non-standard ports to optimize a wider range of applications and services.
Supported ports
In addition to common HTTP/HTTPS ports (80, 8080, and 443), ESA supports caching content on the following ports:
HTTP ports: 8880, 2052, 2082, 2086, 2095
HTTPS ports: 2053, 2083, 2087, 2096, 8443
Procedure
When processing requests, ESA matches and executes rules sequentially based on their priority.
In the ESA console, go to Websites and click the target website in the Website column.
In the left navigation pane, choose .
Click Create Rule and enter a Rule Name.
In the If requests match... section, define the matching conditions. For more information, see Rule expression components.
In the Bypass Cache section, specify whether to bypass the cache. For more information, see cache eligibility.
In the Caching on Ports section, click Configure. In the port list, select the target ports.

Click OK.
Availability
Free | Basic | Standard | Advanced | Enterprise |
References
Rule-related features vary in execution priority, rule behavior, and configuration scope. For more information, see How ESA rules take effect.
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