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Port 13929 (dta-systems)

IANA assigns port 13929 to dta-systems: D-TA SYSTEMS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dta-systems TCP D-TA SYSTEMS Alexis Bose -
dta-systems UDP D-TA SYSTEMS Alexis Bose -

Registry dates for this port: registered 2008-12-08.

Check what is listening on port 13929

Linux: is anything listening on TCP 13929?
sudo ss -tlnp 'sport = :13929'
Linux: UDP 13929
sudo ss -ulnp 'sport = :13929'
Linux / macOS: which process owns the port
sudo lsof -nP -i :13929
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':13929 '
Windows (Command Prompt)
netstat -ano | findstr :13929
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 13929 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 13929
From Windows
Test-NetConnection HOST -Port 13929
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 13929

Block port 13929 in the firewall

ufw
sudo ufw deny 13929/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 13929 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 13929 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 13929' -Direction Inbound -Protocol TCP -LocalPort 13929 -Action Block
ufw
sudo ufw deny 13929/udp
iptables
sudo iptables -A INPUT -p udp --dport 13929 -j DROP
nftables
sudo nft add rule inet filter input udp dport 13929 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 13929' -Direction Inbound -Protocol UDP -LocalPort 13929 -Action Block

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13832a-trust-rpc13894ucontrol13930medevolve14000scotty-ft

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.