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Port 6619 (odette-ftps)

IANA assigns port 6619 to odette-ftps: ODETTE-FTP over TLS/SSL.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
odette-ftps TCP ODETTE-FTP over TLS/SSL Ieuan Friend RFC 5024
odette-ftps UDP ODETTE-FTP over TLS/SSL Ieuan Friend RFC 5024

Registry dates for this port: registered 2006-03.

Check what is listening on port 6619

Linux: is anything listening on TCP 6619?
sudo ss -tlnp 'sport = :6619'
Linux: UDP 6619
sudo ss -ulnp 'sport = :6619'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6619
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6619 '
Windows (Command Prompt)
netstat -ano | findstr :6619
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6619 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6619
From Windows
Test-NetConnection HOST -Port 6619
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6619

Block port 6619 in the firewall

ufw
sudo ufw deny 6619/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6619 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6619 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6619' -Direction Inbound -Protocol TCP -LocalPort 6619 -Action Block
ufw
sudo ufw deny 6619/udp
iptables
sudo iptables -A INPUT -p udp --dport 6619 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6619 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6619' -Direction Inbound -Protocol UDP -LocalPort 6619 -Action Block

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6602wsscomfrmwk6610bencher6620kftp-data6621kftp

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