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Port 32034 (iracinghelper)

IANA assigns port 32034 to iracinghelper: iRacing helper service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iracinghelper TCP iRacing helper service Randy Cassidy -
iracinghelper UDP iRacing helper service Randy Cassidy -

Registry dates for this port: registered 2007-08-30.

Check what is listening on port 32034

Linux: is anything listening on TCP 32034?
sudo ss -tlnp 'sport = :32034'
Linux: UDP 32034
sudo ss -ulnp 'sport = :32034'
Linux / macOS: which process owns the port
sudo lsof -nP -i :32034
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':32034 '
Windows (Command Prompt)
netstat -ano | findstr :32034
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 32034 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 32034
From Windows
Test-NetConnection HOST -Port 32034
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 32034

Block port 32034 in the firewall

ufw
sudo ufw deny 32034/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 32034 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 32034 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 32034' -Direction Inbound -Protocol TCP -LocalPort 32034 -Action Block
ufw
sudo ufw deny 32034/udp
iptables
sudo iptables -A INPUT -p udp --dport 32034 -j DROP
nftables
sudo nft add rule inet filter input udp dport 32034 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 32034' -Direction Inbound -Protocol UDP -LocalPort 32034 -Action Block

Related ports

31948iceedcp-tx, iceedcp_tx31949iceedcp-rx, iceedcp_rx32249t1distproc6032400plex

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