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Port 2185 (onbase-dds)

IANA assigns port 2185 to onbase-dds: OnBase Distributed Disk Services.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
onbase-dds TCP OnBase Distributed Disk Services Paul Tam -
onbase-dds UDP OnBase Distributed Disk Services Paul Tam -

Registry dates for this port: registered 2004-12.

Check what is listening on port 2185

Linux: is anything listening on TCP 2185?
sudo ss -tlnp 'sport = :2185'
Linux: UDP 2185
sudo ss -ulnp 'sport = :2185'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2185
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2185 '
Windows (Command Prompt)
netstat -ano | findstr :2185
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2185 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2185
From Windows
Test-NetConnection HOST -Port 2185
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2185

Block port 2185 in the firewall

ufw
sudo ufw deny 2185/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2185 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2185 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2185' -Direction Inbound -Protocol TCP -LocalPort 2185 -Action Block
ufw
sudo ufw deny 2185/udp
iptables
sudo iptables -A INPUT -p udp --dport 2185 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2185 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2185' -Direction Inbound -Protocol UDP -LocalPort 2185 -Action Block

Related ports

2183cgn-config2184nvd2186gtaua2187ssmc, ssmd

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