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Port 7164 (fsr)

IANA assigns port 7164 to fsr: File System Repository Agent.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
fsr TCP File System Repository Agent Micha Ben Efraim -
fsr UDP File System Repository Agent Micha Ben Efraim -

Registry dates for this port: registered 2007-07-19.

Check what is listening on port 7164

Linux: is anything listening on TCP 7164?
sudo ss -tlnp 'sport = :7164'
Linux: UDP 7164
sudo ss -ulnp 'sport = :7164'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7164
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7164 '
Windows (Command Prompt)
netstat -ano | findstr :7164
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7164 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7164
From Windows
Test-NetConnection HOST -Port 7164
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7164

Block port 7164 in the firewall

ufw
sudo ufw deny 7164/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7164 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7164 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7164' -Direction Inbound -Protocol TCP -LocalPort 7164 -Action Block
ufw
sudo ufw deny 7164/udp
iptables
sudo iptables -A INPUT -p udp --dport 7164 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7164 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7164' -Direction Inbound -Protocol UDP -LocalPort 7164 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.