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Port 8417 (espeech-rtp)

IANA assigns port 8417 to espeech-rtp: eSpeech RTP Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
espeech-rtp TCP eSpeech RTP Protocol Scott Tarone -
espeech-rtp UDP eSpeech RTP Protocol Scott Tarone -

Registry dates for this port: registered 2003-04.

Check what is listening on port 8417

Linux: is anything listening on TCP 8417?
sudo ss -tlnp 'sport = :8417'
Linux: UDP 8417
sudo ss -ulnp 'sport = :8417'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8417
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8417 '
Windows (Command Prompt)
netstat -ano | findstr :8417
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8417 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8417
From Windows
Test-NetConnection HOST -Port 8417
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8417

Block port 8417 in the firewall

ufw
sudo ufw deny 8417/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8417 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8417 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8417' -Direction Inbound -Protocol TCP -LocalPort 8417 -Action Block
ufw
sudo ufw deny 8417/udp
iptables
sudo iptables -A INPUT -p udp --dport 8417 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8417 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8417' -Direction Inbound -Protocol UDP -LocalPort 8417 -Action Block

Related ports

8415dlpx-sp8416espeech8423aritts8432pgbackrest

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