HTTPfy

Port 3867 (dzoglserver)

IANA assigns port 3867 to dzoglserver: Sun SDViz DZOGLSERVER Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dzoglserver TCP Sun SDViz DZOGLSERVER Port Kevin Rushforth -
dzoglserver UDP Sun SDViz DZOGLSERVER Port Kevin Rushforth -

Registry dates for this port: registered 2003-08.

Check what is listening on port 3867

Linux: is anything listening on TCP 3867?
sudo ss -tlnp 'sport = :3867'
Linux: UDP 3867
sudo ss -ulnp 'sport = :3867'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3867
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3867 '
Windows (Command Prompt)
netstat -ano | findstr :3867
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3867 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3867
From Windows
Test-NetConnection HOST -Port 3867
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3867

Block port 3867 in the firewall

ufw
sudo ufw deny 3867/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3867 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3867 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3867' -Direction Inbound -Protocol TCP -LocalPort 3867 -Action Block
ufw
sudo ufw deny 3867/udp
iptables
sudo iptables -A INPUT -p udp --dport 3867 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3867 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3867' -Direction Inbound -Protocol UDP -LocalPort 3867 -Action Block

Related ports

3865xpl3866dzdaemon3868diameter3869ovsam-mgmt

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