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Port 1980 (panquest-xact)

IANA assigns port 1980 to panquest-xact: PanQuest XACT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
panquest-xact TCP PanQuest XACT Chris Vertonghen -
panquest-xact UDP PanQuest XACT Chris Vertonghen -

Registry dates for this port: last modified 2025-11-20.

Check what is listening on port 1980

Linux: is anything listening on TCP 1980?
sudo ss -tlnp 'sport = :1980'
Linux: UDP 1980
sudo ss -ulnp 'sport = :1980'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1980
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1980 '
Windows (Command Prompt)
netstat -ano | findstr :1980
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1980 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1980
From Windows
Test-NetConnection HOST -Port 1980
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1980

Block port 1980 in the firewall

ufw
sudo ufw deny 1980/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1980 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1980 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1980' -Direction Inbound -Protocol TCP -LocalPort 1980 -Action Block
ufw
sudo ufw deny 1980/udp
iptables
sudo iptables -A INPUT -p udp --dport 1980 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1980 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1980' -Direction Inbound -Protocol UDP -LocalPort 1980 -Action Block

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