HTTPfy

Port 6785 (dgpf-exchg)

IANA assigns port 6785 to dgpf-exchg: DGPF Individual Exchange.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dgpf-exchg TCP DGPF Individual Exchange Thomas Weise -
dgpf-exchg UDP DGPF Individual Exchange Thomas Weise -

Registry dates for this port: registered 2006-04.

Check what is listening on port 6785

Linux: is anything listening on TCP 6785?
sudo ss -tlnp 'sport = :6785'
Linux: UDP 6785
sudo ss -ulnp 'sport = :6785'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6785
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6785 '
Windows (Command Prompt)
netstat -ano | findstr :6785
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6785 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6785
From Windows
Test-NetConnection HOST -Port 6785
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6785

Block port 6785 in the firewall

ufw
sudo ufw deny 6785/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6785 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6785 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6785' -Direction Inbound -Protocol TCP -LocalPort 6785 -Action Block
ufw
sudo ufw deny 6785/udp
iptables
sudo iptables -A INPUT -p udp --dport 6785 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6785 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6785' -Direction Inbound -Protocol UDP -LocalPort 6785 -Action Block

Related ports

6778ntz-p2p-storage6784bfd-lag6786smc-jmx6787smc-admin

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