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Port 4199 (eims-admin)

IANA assigns port 4199 to eims-admin: EIMS ADMIN.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
eims-admin TCP EIMS ADMIN Glenn Anderson -
eims-admin UDP EIMS ADMIN Glenn Anderson -

Check what is listening on port 4199

Linux: is anything listening on TCP 4199?
sudo ss -tlnp 'sport = :4199'
Linux: UDP 4199
sudo ss -ulnp 'sport = :4199'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4199
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4199 '
Windows (Command Prompt)
netstat -ano | findstr :4199
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4199 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4199
From Windows
Test-NetConnection HOST -Port 4199
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4199

Block port 4199 in the firewall

ufw
sudo ufw deny 4199/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4199 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4199 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4199' -Direction Inbound -Protocol TCP -LocalPort 4199 -Action Block
ufw
sudo ufw deny 4199/udp
iptables
sudo iptables -A INPUT -p udp --dport 4199 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4199 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4199' -Direction Inbound -Protocol UDP -LocalPort 4199 -Action Block

Related ports

4195aws-wsp4197hctl4300corelccam4301d-data

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