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// Other services

Port 3562: SDBProxy

Port 3562 is assigned by IANA to sdbproxy (SDBProxy).

3562

How sdbproxy works

Other services
client:3562sdbproxyresponse client:3562sdbproxyresponse

The client sends a request to port 3562 and the sdbproxy 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 3562 dangerous?

We have no specific security note for port 3562. 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 3562

ServicePortTransportDescriptionReferenceUpdated
sdbproxy 3562 TCP, UDP SDBProxy - 2002-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 3562, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3562'      # process listening on 3562
sudo lsof -nP -i :3562

macOS

sudo lsof -nP -i :3562

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3562 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3562
netstat -ano | findstr :3562

From another machine

nmap -p 3562 -sV <host>
sudo nmap -sU -p 3562 <host>
nc -zv <host> 3562

Block it in the firewall

sudo ufw deny 3562/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3562" -Direction Inbound -LocalPort 3562 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3562 used for?

Port 3562 is assigned by IANA to sdbproxy (SDBProxy).

Is port 3562 TCP or UDP?

Port 3562 is registered for TCP and UDP.

Is it safe to open port 3562?

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 3562 is open?

On Linux run "ss -ltnup 'sport = :3562'", on macOS "lsof -nP -i :3562", and on Windows "netstat -ano | findstr :3562" to see the local process. From another machine, "nmap -p 3562 <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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