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Port 3419 (softaudit)

IANA assigns port 3419 to softaudit: Isogon SoftAudit.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
softaudit TCP Isogon SoftAudit Per Hellberg -
softaudit UDP ISogon SoftAudit Per Hellberg -

Registry dates for this port: registered 2002-02.

Check what is listening on port 3419

Linux: is anything listening on TCP 3419?
sudo ss -tlnp 'sport = :3419'
Linux: UDP 3419
sudo ss -ulnp 'sport = :3419'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3419
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3419 '
Windows (Command Prompt)
netstat -ano | findstr :3419
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3419 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3419
From Windows
Test-NetConnection HOST -Port 3419
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3419

Block port 3419 in the firewall

ufw
sudo ufw deny 3419/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3419 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3419 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3419' -Direction Inbound -Protocol TCP -LocalPort 3419 -Action Block
ufw
sudo ufw deny 3419/udp
iptables
sudo iptables -A INPUT -p udp --dport 3419 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3419 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3419' -Direction Inbound -Protocol UDP -LocalPort 3419 -Action Block

Related ports

3417csvr3418rnmap3420ifcp-port3421bmap

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