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// Databases & caches

Port 1529: oracle

Port 1529 is assigned by IANA to coauthor (oracle).

1529

How coauthor works

Databases & caches
app:1529coauthor app:1529coauthor

The application sends a SQL query to the coauthor server on port 1529, 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 1529 dangerous?

We have no specific security note for port 1529. 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 1529

ServicePortTransportDescriptionReferenceUpdated
coauthor 1529 TCP, UDP oracle - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1529, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1529'      # process listening on 1529
sudo lsof -nP -i :1529

macOS

sudo lsof -nP -i :1529

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1529 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1529
netstat -ano | findstr :1529

From another machine

nmap -p 1529 -sV <host>
sudo nmap -sU -p 1529 <host>
nc -zv <host> 1529

Block it in the firewall

sudo ufw deny 1529/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1529" -Direction Inbound -LocalPort 1529 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1529 used for?

Port 1529 is assigned by IANA to coauthor (oracle).

Is port 1529 TCP or UDP?

Port 1529 is registered for TCP and UDP.

Is it safe to open port 1529?

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 1529 is open?

On Linux run "ss -ltnup 'sport = :1529'", on macOS "lsof -nP -i :1529", and on Windows "netstat -ano | findstr :1529" to see the local process. From another machine, "nmap -p 1529 <host>" shows whether it is reachable.

05 Related
:3306 MySQL / MariaDB tcp · udp · high risk :1433 Microsoft SQL Server tcp · udp · high risk :5432 PostgreSQL tcp · udp · high risk :6379 Redis tcp · critical risk :27017 MongoDB tcp · critical risk :9200 Elasticsearch tcp · udp · critical risk :1521 Oracle Database tcp · udp · high risk :11211 Memcached tcp · udp · high risk

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