HTTPfy

Port 2220 (netiq)

IANA assigns port 2220 to netiq: NetIQ End2End.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
netiq TCP NetIQ End2End Michael Sharpe -
netiq UDP NetIQ End2End Michael Sharpe -

Registry dates for this port: registered 2010-09-14.

Check what is listening on port 2220

Linux: is anything listening on TCP 2220?
sudo ss -tlnp 'sport = :2220'
Linux: UDP 2220
sudo ss -ulnp 'sport = :2220'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2220
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2220 '
Windows (Command Prompt)
netstat -ano | findstr :2220
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2220 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2220
From Windows
Test-NetConnection HOST -Port 2220
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2220

Block port 2220 in the firewall

ufw
sudo ufw deny 2220/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2220 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2220 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2220' -Direction Inbound -Protocol TCP -LocalPort 2220 -Action Block
ufw
sudo ufw deny 2220/udp
iptables
sudo iptables -A INPUT -p udp --dport 2220 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2220 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2220' -Direction Inbound -Protocol UDP -LocalPort 2220 -Action Block

Related ports

2218bounzza2219netiq-ncap2221ethernet-ip-s2222SSH alternate

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