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Port 2434 (pxc-epmap)

IANA assigns port 2434 to pxc-epmap.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
pxc-epmap TCP pxc-epmap Jun Nakamura -
pxc-epmap UDP pxc-epmap Jun Nakamura -

Check what is listening on port 2434

Linux: is anything listening on TCP 2434?
sudo ss -tlnp 'sport = :2434'
Linux: UDP 2434
sudo ss -ulnp 'sport = :2434'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2434
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2434 '
Windows (Command Prompt)
netstat -ano | findstr :2434
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2434 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2434
From Windows
Test-NetConnection HOST -Port 2434
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2434

Block port 2434 in the firewall

ufw
sudo ufw deny 2434/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2434 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2434 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2434' -Direction Inbound -Protocol TCP -LocalPort 2434 -Action Block
ufw
sudo ufw deny 2434/udp
iptables
sudo iptables -A INPUT -p udp --dport 2434 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2434 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2434' -Direction Inbound -Protocol UDP -LocalPort 2434 -Action Block

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