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Port 3585 (emprise-lls)

IANA assigns port 3585 to emprise-lls: Emprise License Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
emprise-lls TCP Emprise License Server - -
emprise-lls UDP Emprise License Server - -

Check what is listening on port 3585

Linux: is anything listening on TCP 3585?
sudo ss -tlnp 'sport = :3585'
Linux: UDP 3585
sudo ss -ulnp 'sport = :3585'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3585
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3585 '
Windows (Command Prompt)
netstat -ano | findstr :3585
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3585 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3585
From Windows
Test-NetConnection HOST -Port 3585
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3585

Block port 3585 in the firewall

ufw
sudo ufw deny 3585/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3585 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3585 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3585' -Direction Inbound -Protocol TCP -LocalPort 3585 -Action Block
ufw
sudo ufw deny 3585/udp
iptables
sudo iptables -A INPUT -p udp --dport 3585 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3585 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3585' -Direction Inbound -Protocol UDP -LocalPort 3585 -Action Block

Related ports

3583canex-watch3584u-dbap3586emprise-lsc3587p2pgroup

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