HTTPfy

Port 6064 (ndl-ahp-svc)

IANA assigns port 6064 to ndl-ahp-svc: NDL-AHP-SVC.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ndl-ahp-svc TCP NDL-AHP-SVC John Richmond 2 -
ndl-ahp-svc UDP NDL-AHP-SVC John Richmond 2 -

Check what is listening on port 6064

Linux: is anything listening on TCP 6064?
sudo ss -tlnp 'sport = :6064'
Linux: UDP 6064
sudo ss -ulnp 'sport = :6064'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6064
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6064 '
Windows (Command Prompt)
netstat -ano | findstr :6064
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6064 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6064
From Windows
Test-NetConnection HOST -Port 6064
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6064

Block port 6064 in the firewall

ufw
sudo ufw deny 6064/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6064 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6064 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6064' -Direction Inbound -Protocol TCP -LocalPort 6064 -Action Block
ufw
sudo ufw deny 6064/udp
iptables
sudo iptables -A INPUT -p udp --dport 6064 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6064 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6064' -Direction Inbound -Protocol UDP -LocalPort 6064 -Action Block

Related ports

6062x116063x116065winpharaoh6066ewctsp

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