HTTPfy

Port 9396 (fjinvmgr)

IANA assigns port 9396 to fjinvmgr.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
fjinvmgr TCP fjinvmgr Yutaka Ono -
fjinvmgr UDP fjinvmgr Yutaka Ono -

Check what is listening on port 9396

Linux: is anything listening on TCP 9396?
sudo ss -tlnp 'sport = :9396'
Linux: UDP 9396
sudo ss -ulnp 'sport = :9396'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9396
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9396 '
Windows (Command Prompt)
netstat -ano | findstr :9396
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9396 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9396
From Windows
Test-NetConnection HOST -Port 9396
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9396

Block port 9396 in the firewall

ufw
sudo ufw deny 9396/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9396 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9396 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9396' -Direction Inbound -Protocol TCP -LocalPort 9396 -Action Block
ufw
sudo ufw deny 9396/udp
iptables
sudo iptables -A INPUT -p udp --dport 9396 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9396 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9396' -Direction Inbound -Protocol UDP -LocalPort 9396 -Action Block

Related ports

9389adws9390otp9397mpidcagt9400sec-t4net-srv

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