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Port 5417 (sns-agent)

IANA assigns port 5417 to sns-agent: SNS Agent.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sns-agent TCP SNS Agent Mary Holstage -
sns-agent UDP SNS Agent Mary Holstage -

Check what is listening on port 5417

Linux: is anything listening on TCP 5417?
sudo ss -tlnp 'sport = :5417'
Linux: UDP 5417
sudo ss -ulnp 'sport = :5417'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5417
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5417 '
Windows (Command Prompt)
netstat -ano | findstr :5417
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5417 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5417
From Windows
Test-NetConnection HOST -Port 5417
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5417

Block port 5417 in the firewall

ufw
sudo ufw deny 5417/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5417 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5417 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5417' -Direction Inbound -Protocol TCP -LocalPort 5417 -Action Block
ufw
sudo ufw deny 5417/udp
iptables
sudo iptables -A INPUT -p udp --dport 5417 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5417 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5417' -Direction Inbound -Protocol UDP -LocalPort 5417 -Action Block

Related ports

5415ns-server5416sns-gateway5418mcntp5419dj-ice

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