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Port 5409 (salient-dtasrv)

IANA assigns port 5409 to salient-dtasrv: Salient Data Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
salient-dtasrv TCP Salient Data Server Richard Farnham -
salient-dtasrv UDP Salient Data Server Richard Farnham -

Check what is listening on port 5409

Linux: is anything listening on TCP 5409?
sudo ss -tlnp 'sport = :5409'
Linux: UDP 5409
sudo ss -ulnp 'sport = :5409'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5409
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5409 '
Windows (Command Prompt)
netstat -ano | findstr :5409
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5409 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5409
From Windows
Test-NetConnection HOST -Port 5409
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5409

Block port 5409 in the firewall

ufw
sudo ufw deny 5409/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5409 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5409 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5409' -Direction Inbound -Protocol TCP -LocalPort 5409 -Action Block
ufw
sudo ufw deny 5409/udp
iptables
sudo iptables -A INPUT -p udp --dport 5409 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5409 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5409' -Direction Inbound -Protocol UDP -LocalPort 5409 -Action Block

Related ports

5407foresyte-clear5408foresyte-sec5410salient-usrmgr5411actnet

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