HTTPfy

Port 4415 (brcd-vr-req)

IANA assigns port 4415 to brcd-vr-req: Brocade Virtual Router Request.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
brcd-vr-req TCP Brocade Virtual Router Request Brocade Communications Systems -

Registry dates for this port: registered 2015-11-17.

Check what is listening on port 4415

Linux: is anything listening on TCP 4415?
sudo ss -tlnp 'sport = :4415'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4415
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4415 '
Windows (Command Prompt)
netstat -ano | findstr :4415
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4415 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4415
From Windows
Test-NetConnection HOST -Port 4415

Block port 4415 in the firewall

ufw
sudo ufw deny 4415/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4415 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4415 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4415' -Direction Inbound -Protocol TCP -LocalPort 4415 -Action Block

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