PortAtlas.

Caching and in-memory stores ports

Overview

Caches often hold session data and are frequently deployed without authentication. Treat a reachable cache port as a data exposure risk unless access is restricted by network policy.

Ports in this category10
Range coveredAll registry ranges

All Caching and in-memory stores port numbers

Every port below is assigned to this category in the registry or by a widely used convention. Open a port for its check and block commands, risk rating and troubleshooting notes.

PortServiceTransportRiskDescription
1388 OBJECTIVE-DBC TCP / UDP Standard/Low Objective Solutions DataBase Cache
6379 REDIS TCP High An advanced key-value cache and store
7001 AFS3-CALLBACK TCP / UDP Standard/Low callbacks to cache managers
7009 AFS3-RMTSYS TCP / UDP Standard/Low remote cache manager service
8276 MS-MCC TCP / UDP Standard/Low Microsoft Connected Cache
11211 MEMCACHE TCP / UDP High Memory cache service
11723 EMC-XSW-DCACHE TCP / UDP Standard/Low EMC XtremSW distributed cache
16379 REDIS CLUSTER BUS TCP High Redis Cluster bus port, conventionally the client port plus 10000 (community convention)
22125 DCAP TCP Standard/Low dCache Access Protocol
22128 GSIDCAP TCP Standard/Low GSI dCache Access Protocol
Authentication and access 19Containers and orchestration 10DNS and naming 10Databases 54Development servers 13Directory services 14Email 26File transfer and sharing 27Gaming 6Infrastructure and administration 30IoT and device telemetry 7Message queues and streaming 17Monitoring and metrics 29Networking and proxies 31Printing 19RPC and service APIs 14Remote access 29Time synchronization 10VPN and tunnelling 10Voice and real-time media 29Web and HTTP 62Windows networking 14

Search all PortAtlas ports

Primary data: IANA Service Name and Transport Protocol Port Number Registry, plus clearly marked community conventions.

Last reviewed 2026-10-30 · Methodology · About · Privacy