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Port 2934 (4-tieropmcli)

IANA assigns port 2934 to 4-tieropmcli: 4-TIER OPM CLI.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
4-tieropmcli TCP 4-TIER OPM CLI Francois Peloffy -
4-tieropmcli UDP 4-TIER OPM CLI Francois Peloffy -

Check what is listening on port 2934

Linux: is anything listening on TCP 2934?
sudo ss -tlnp 'sport = :2934'
Linux: UDP 2934
sudo ss -ulnp 'sport = :2934'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2934
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2934 '
Windows (Command Prompt)
netstat -ano | findstr :2934
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2934 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2934
From Windows
Test-NetConnection HOST -Port 2934
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2934

Block port 2934 in the firewall

ufw
sudo ufw deny 2934/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2934 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2934 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2934' -Direction Inbound -Protocol TCP -LocalPort 2934 -Action Block
ufw
sudo ufw deny 2934/udp
iptables
sudo iptables -A INPUT -p udp --dport 2934 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2934 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2934' -Direction Inbound -Protocol UDP -LocalPort 2934 -Action Block

Related ports

2932incp29334-tieropmgw2935qtp2936otpatch

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