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Port 7391 (mindfilesys)

IANA assigns port 7391 to mindfilesys: mind-file system server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
mindfilesys TCP mind-file system server Dave Porter -
mindfilesys UDP mind-file system server Dave Porter -

Check what is listening on port 7391

Linux: is anything listening on TCP 7391?
sudo ss -tlnp 'sport = :7391'
Linux: UDP 7391
sudo ss -ulnp 'sport = :7391'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7391
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7391 '
Windows (Command Prompt)
netstat -ano | findstr :7391
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7391 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7391
From Windows
Test-NetConnection HOST -Port 7391
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7391

Block port 7391 in the firewall

ufw
sudo ufw deny 7391/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7391 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7391 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7391' -Direction Inbound -Protocol TCP -LocalPort 7391 -Action Block
ufw
sudo ufw deny 7391/udp
iptables
sudo iptables -A INPUT -p udp --dport 7391 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7391 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7391' -Direction Inbound -Protocol UDP -LocalPort 7391 -Action Block

Related ports

7283genstat7365lcm-server7392mrssrendezvous7393nfoldman

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