Tcp Port 9998 ((top)) Jun 2026

: Serves as the default port for the SmarterMail web interface .

"Start capture," he muttered.

: In some configurations, Splunk indexers may listen on Port 9998 to receive data from forwarders, particularly when Port 9997 is unavailable or dedicated to other tasks. tcp port 9998

Known malicious uses include:

Port 9998 wasn't a standard web port. It wasn't SSH. It wasn't some well-known database listener. In the dark corners of networking, it was often associated with the Tripwire agent or obscure mailing list services, but this machine was supposed to be a standalone ledger. There was no reason for a high-number port to be swinging its doors open to the world. : Serves as the default port for the