HTTPfy

Port 5034 (jtnetd-status)

IANA assigns port 5034 to jtnetd-status: Janstor Status.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
jtnetd-status TCP Janstor Status Janstor Technology -

Registry dates for this port: registered 2015-06-08.

Check what is listening on port 5034

Linux: is anything listening on TCP 5034?
sudo ss -tlnp 'sport = :5034'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5034
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5034 '
Windows (Command Prompt)
netstat -ano | findstr :5034
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5034 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5034
From Windows
Test-NetConnection HOST -Port 5034

Block port 5034 in the firewall

ufw
sudo ufw deny 5034/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5034 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5034 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5034' -Direction Inbound -Protocol TCP -LocalPort 5034 -Action Block

Related ports

5032signacert-agent5033jtnetd-server5042asnaacceler8db5043swxadmin

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