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Port 213 (ipx)

IANA assigns port 213 to ipx: IPX.

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

IANA assignment

Service nameProtoDescriptionAssigneeReference
ipx TCP IPX Don Provan -
ipx UDP IPX Don Provan -

Check what is listening on port 213

Linux: is anything listening on TCP 213?
sudo ss -tlnp 'sport = :213'
Linux: UDP 213
sudo ss -ulnp 'sport = :213'
Linux / macOS: which process owns the port
sudo lsof -nP -i :213
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':213 '
Windows (Command Prompt)
netstat -ano | findstr :213
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 213 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 213
From Windows
Test-NetConnection HOST -Port 213
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 213

Block port 213 in the firewall

ufw
sudo ufw deny 213/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 213 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 213 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 213' -Direction Inbound -Protocol TCP -LocalPort 213 -Action Block
ufw
sudo ufw deny 213/udp
iptables
sudo iptables -A INPUT -p udp --dport 213 -j DROP
nftables
sudo nft add rule inet filter input udp dport 213 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 213' -Direction Inbound -Protocol UDP -LocalPort 213 -Action Block

Related ports

211914c-g, 914c/g212anet214vmpwscs215softpc

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