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Port 5344 (xkotodrcp)

IANA assigns port 5344 to xkotodrcp: xkoto DRCP.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
xkotodrcp TCP xkoto DRCP Jeff Heisz -
xkotodrcp UDP xkoto DRCP Jeff Heisz -

Registry dates for this port: registered 2006-02.

Check what is listening on port 5344

Linux: is anything listening on TCP 5344?
sudo ss -tlnp 'sport = :5344'
Linux: UDP 5344
sudo ss -ulnp 'sport = :5344'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5344
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5344 '
Windows (Command Prompt)
netstat -ano | findstr :5344
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5344 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5344
From Windows
Test-NetConnection HOST -Port 5344
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5344

Block port 5344 in the firewall

ufw
sudo ufw deny 5344/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5344 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5344 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5344' -Direction Inbound -Protocol TCP -LocalPort 5344 -Action Block
ufw
sudo ufw deny 5344/udp
iptables
sudo iptables -A INPUT -p udp --dport 5344 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5344 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5344' -Direction Inbound -Protocol UDP -LocalPort 5344 -Action Block

Related ports

5321bsfsvr-zn-ssl5343kfserver5349STUN / TURN over TLS5350pcp-multicast

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