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Port 185 (remote-kis)

IANA assigns port 185 to remote-kis: Remote-KIS.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
remote-kis TCP Remote-KIS - -
remote-kis UDP Remote-KIS - -

Check what is listening on port 185

Linux: is anything listening on TCP 185?
sudo ss -tlnp 'sport = :185'
Linux: UDP 185
sudo ss -ulnp 'sport = :185'
Linux / macOS: which process owns the port
sudo lsof -nP -i :185
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':185 '
Windows (Command Prompt)
netstat -ano | findstr :185
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 185 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 185
From Windows
Test-NetConnection HOST -Port 185
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 185

Block port 185 in the firewall

ufw
sudo ufw deny 185/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 185 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 185 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 185' -Direction Inbound -Protocol TCP -LocalPort 185 -Action Block
ufw
sudo ufw deny 185/udp
iptables
sudo iptables -A INPUT -p udp --dport 185 -j DROP
nftables
sudo nft add rule inet filter input udp dport 185 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 185' -Direction Inbound -Protocol UDP -LocalPort 185 -Action Block

Related ports

183ocbinder184ocserver186kis187aci

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