What Port 2410 Is
Port 2410 sits in the registered ports range (1024–49151) and carries an official IANA assignment: vrts-registry, listed as "VRTS Registry" for both TCP and UDP.1
VRTS is Veritas — the storage and backup software company behind products like NetBackup and Backup Exec. At some point, someone at Veritas filed for this port, IANA assigned it, and it entered the registry with the name of an internal registry service.
That's where the trail mostly ends.
What the Registered Ports Range Means
Ports 1024 through 49151 are registered ports. Unlike the well-known ports below 1024 (which require root or administrator privileges to bind), registered ports are available to ordinary processes. IANA maintains a registry of assignments in this range, but registration is not enforcement — software can use any port it wants, and the registry is more a directory of intent than a rulebook.
The practical consequence: just because a port has a name in the IANA registry doesn't mean anything is actively using it. Many registered ports were claimed for early versions of software, or for internal services that never became widespread. Port 2410 appears to fall into this category.
What Veritas Actually Uses Port 2410 For
Current Veritas NetBackup documentation doesn't prominently feature port 2410. The ports Veritas products actively rely on — and document clearly — tend to be others: 1556 (PBX), 13724 (VNETD), and several authentication ports in the 2000–4000 range.2
Port 2410's "VRTS Registry" designation likely referred to an internal service discovery or registration mechanism in older Veritas products. Whether that service shipped widely, or was later replaced by other mechanisms, isn't clear from public documentation. The port is a fossil: taxonomically classified, but rarely encountered alive.
How to Check What's on This Port
If you see port 2410 active on a system, it's worth knowing what's actually using it.
On Linux/macOS:
On Windows:
The process ID in the output will let you trace it to a specific application. On a Veritas-managed backup server, finding something here would make sense. On anything else, it warrants a look.
Why Ports Like This Exist
The registered ports range has over 48,000 slots. Thousands of those slots are occupied by services that were registered decades ago, tied to software versions that are no longer maintained, or claimed by companies whose products never shipped widely. IANA doesn't reclaim ports easily — the risk of conflicts with software already in use outweighs the benefit of tidying the registry.
Port 2410 is a small piece of that record. It marks that Veritas, at some point, needed a port for something called a registry. The port still carries that name. The service it named has mostly moved on.
Frequently Asked Questions
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