CyberHunter
Local dataset, no network
// Other services

Port 1328: EWALL

Port 1328 is assigned by IANA to ewall (EWALL).

1328

How ewall works

Other services
client:1328ewallresponse client:1328ewallresponse

The client sends a request to port 1328 and the ewall 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 1328 dangerous?

We have no specific security note for port 1328. 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 1328

ServicePortTransportDescriptionReferenceUpdated
ewall 1328 TCP, UDP EWALL - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1328, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1328'      # process listening on 1328
sudo lsof -nP -i :1328

macOS

sudo lsof -nP -i :1328

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1328 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1328
netstat -ano | findstr :1328

From another machine

nmap -p 1328 -sV <host>
sudo nmap -sU -p 1328 <host>
nc -zv <host> 1328

Block it in the firewall

sudo ufw deny 1328/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1328" -Direction Inbound -LocalPort 1328 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1328 used for?

Port 1328 is assigned by IANA to ewall (EWALL).

Is port 1328 TCP or UDP?

Port 1328 is registered for TCP and UDP.

Is it safe to open port 1328?

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 1328 is open?

On Linux run "ss -ltnup 'sport = :1328'", on macOS "lsof -nP -i :1328", and on Windows "netstat -ano | findstr :1328" to see the local process. From another machine, "nmap -p 1328 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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