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Port 5454 (apc-5454)

IANA assigns port 5454 to apc-5454: APC 5454.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
apc-5454 TCP APC 5454 American Power Conve -
apc-5454 UDP APC 5454 American Power Conve -

Check what is listening on port 5454

Linux: is anything listening on TCP 5454?
sudo ss -tlnp 'sport = :5454'
Linux: UDP 5454
sudo ss -ulnp 'sport = :5454'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5454
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5454 '
Windows (Command Prompt)
netstat -ano | findstr :5454
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5454 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5454
From Windows
Test-NetConnection HOST -Port 5454
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5454

Block port 5454 in the firewall

ufw
sudo ufw deny 5454/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5454 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5454 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5454' -Direction Inbound -Protocol TCP -LocalPort 5454 -Action Block
ufw
sudo ufw deny 5454/udp
iptables
sudo iptables -A INPUT -p udp --dport 5454 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5454 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5454' -Direction Inbound -Protocol UDP -LocalPort 5454 -Action Block

Related ports

5450tiepie, tiepie-disc5453surebox5455apc-54555456apc-5456

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