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Port 8022 (oa-system)

IANA assigns port 8022 to oa-system.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
oa-system TCP oa-system Marie France Dubreui -
oa-system UDP oa-system Marie France Dubreui -

Check what is listening on port 8022

Linux: is anything listening on TCP 8022?
sudo ss -tlnp 'sport = :8022'
Linux: UDP 8022
sudo ss -ulnp 'sport = :8022'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8022
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8022 '
Windows (Command Prompt)
netstat -ano | findstr :8022
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8022 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8022
From Windows
Test-NetConnection HOST -Port 8022
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8022

Block port 8022 in the firewall

ufw
sudo ufw deny 8022/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8022 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8022 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8022' -Direction Inbound -Protocol TCP -LocalPort 8022 -Action Block
ufw
sudo ufw deny 8022/udp
iptables
sudo iptables -A INPUT -p udp --dport 8022 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8022 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8022' -Direction Inbound -Protocol UDP -LocalPort 8022 -Action Block

Related ports

8020intu-ec-svcdisc8021intu-ec-client8023arca-api8024gaap

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.