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Local dataset, no network
// Databases & caches

Port 7443: Oracle Application Server HTTPS

Port 7443 is assigned by IANA to oracleas-https (Oracle Application Server HTTPS).

7443

How oracleas-https works

Databases & caches
app:7443oracleas-https app:7443oracleas-https

The application sends a SQL query to the oracleas-https server on port 7443, which returns rows from its tables.

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
Databases & caches
01 Security

Is port 7443 dangerous?

We have no specific security note for port 7443. Its risk depends on the program actually listening on it. General advice for databases & caches services:

  • Bind the service to localhost or a private network, never to a public address.
  • Enable authentication, use per-application accounts and require TLS.
  • Watch for exposed Docker ports: publish them on 127.0.0.1 only.
02 Registry

IANA registry entries for port 7443

ServicePortTransportDescriptionReferenceUpdated
oracleas-https 7443 TCP, UDP Oracle Application Server HTTPS - 2006-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 7443, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7443'      # process listening on 7443
sudo lsof -nP -i :7443

macOS

sudo lsof -nP -i :7443

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7443 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7443
netstat -ano | findstr :7443

From another machine

nmap -p 7443 -sV <host>
sudo nmap -sU -p 7443 <host>
nc -zv <host> 7443

Block it in the firewall

sudo ufw deny 7443/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7443" -Direction Inbound -LocalPort 7443 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7443 used for?

Port 7443 is assigned by IANA to oracleas-https (Oracle Application Server HTTPS).

Is port 7443 TCP or UDP?

Port 7443 is registered for TCP and UDP.

Is it safe to open port 7443?

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. Bind the service to localhost or a private network, never to a public address.

How do I check if port 7443 is open?

On Linux run "ss -ltnup 'sport = :7443'", on macOS "lsof -nP -i :7443", and on Windows "netstat -ano | findstr :7443" to see the local process. From another machine, "nmap -p 7443 <host>" shows whether it is reachable.

05 Related
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