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Port 13218 (emc-vcas-tcp, emc-vcas-udp)

IANA assigns port 13218 to emc-vcas-tcp, emc-vcas-udp: EMC Virtual CAS Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
emc-vcas-tcp TCP EMC Virtual CAS Service - -
emc-vcas-udp UDP EMV Virtual CAS Service Discovery Mark O Connell -

Registry dates for this port: registered 2008-12-04.

Check what is listening on port 13218

Linux: is anything listening on TCP 13218?
sudo ss -tlnp 'sport = :13218'
Linux: UDP 13218
sudo ss -ulnp 'sport = :13218'
Linux / macOS: which process owns the port
sudo lsof -nP -i :13218
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':13218 '
Windows (Command Prompt)
netstat -ano | findstr :13218
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 13218 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 13218
From Windows
Test-NetConnection HOST -Port 13218
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 13218

Block port 13218 in the firewall

ufw
sudo ufw deny 13218/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 13218 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 13218 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 13218' -Direction Inbound -Protocol TCP -LocalPort 13218 -Action Block
ufw
sudo ufw deny 13218/udp
iptables
sudo iptables -A INPUT -p udp --dport 13218 -j DROP
nftables
sudo nft add rule inet filter input udp dport 13218 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 13218' -Direction Inbound -Protocol UDP -LocalPort 13218 -Action Block

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