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// Other services

Port 2618: Priority E-Com

Port 2618 is assigned by IANA to priority-e-com (Priority E-Com).

2618

How priority-e-com works

Other services
client:2618priority-e-comresponse client:2618priority-e-comresponse

The client sends a request to port 2618 and the priority-e-com service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 2618 dangerous?

We have no specific security note for port 2618. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 2618

ServicePortTransportDescriptionReferenceUpdated
priority-e-com 2618 TCP, UDP Priority E-Com - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2618, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2618'      # process listening on 2618
sudo lsof -nP -i :2618

macOS

sudo lsof -nP -i :2618

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2618 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2618
netstat -ano | findstr :2618

From another machine

nmap -p 2618 -sV <host>
sudo nmap -sU -p 2618 <host>
nc -zv <host> 2618

Block it in the firewall

sudo ufw deny 2618/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2618" -Direction Inbound -LocalPort 2618 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2618 used for?

Port 2618 is assigned by IANA to priority-e-com (Priority E-Com).

Is port 2618 TCP or UDP?

Port 2618 is registered for TCP and UDP.

Is it safe to open port 2618?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 2618 is open?

On Linux run "ss -ltnup 'sport = :2618'", on macOS "lsof -nP -i :2618", and on Windows "netstat -ano | findstr :2618" to see the local process. From another machine, "nmap -p 2618 <host>" shows whether it is reachable.

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