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Port 5507 (psl-management)

IANA assigns port 5507 to psl-management: PowerSysLab Electrical Management.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
psl-management TCP PowerSysLab Electrical Management PowerSysLab -

Registry dates for this port: registered 2015-07-20.

Check what is listening on port 5507

Linux: is anything listening on TCP 5507?
sudo ss -tlnp 'sport = :5507'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5507
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5507 '
Windows (Command Prompt)
netstat -ano | findstr :5507
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5507 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5507
From Windows
Test-NetConnection HOST -Port 5507

Block port 5507 in the firewall

ufw
sudo ufw deny 5507/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5507 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5507 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5507' -Direction Inbound -Protocol TCP -LocalPort 5507 -Action Block

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5505checkoutdb5506amc5540matter5543qftest-lic-mcp

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