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Port 5358 (wsdapi-s)

IANA assigns port 5358 to wsdapi-s: WS for Devices Secured.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
wsdapi-s TCP WS for Devices Secured Henry Rawas -
wsdapi-s UDP WS for Devices Secured Henry Rawas -

Registry dates for this port: registered 2005-08.

Check what is listening on port 5358

Linux: is anything listening on TCP 5358?
sudo ss -tlnp 'sport = :5358'
Linux: UDP 5358
sudo ss -ulnp 'sport = :5358'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5358
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5358 '
Windows (Command Prompt)
netstat -ano | findstr :5358
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5358 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5358
From Windows
Test-NetConnection HOST -Port 5358
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5358

Block port 5358 in the firewall

ufw
sudo ufw deny 5358/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5358 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5358 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5358' -Direction Inbound -Protocol TCP -LocalPort 5358 -Action Block
ufw
sudo ufw deny 5358/udp
iptables
sudo iptables -A INPUT -p udp --dport 5358 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5358 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5358' -Direction Inbound -Protocol UDP -LocalPort 5358 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.