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Port 1880 (vsat-control)

IANA assigns port 1880 to vsat-control: Gilat VSAT Control.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
vsat-control TCP Gilat VSAT Control Yariv Kaplan -
vsat-control UDP Gilat VSAT Control Yariv Kaplan -

Check what is listening on port 1880

Linux: is anything listening on TCP 1880?
sudo ss -tlnp 'sport = :1880'
Linux: UDP 1880
sudo ss -ulnp 'sport = :1880'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1880
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1880 '
Windows (Command Prompt)
netstat -ano | findstr :1880
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1880 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1880
From Windows
Test-NetConnection HOST -Port 1880
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1880

Block port 1880 in the firewall

ufw
sudo ufw deny 1880/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1880 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1880 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1880' -Direction Inbound -Protocol TCP -LocalPort 1880 -Action Block
ufw
sudo ufw deny 1880/udp
iptables
sudo iptables -A INPUT -p udp --dport 1880 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1880 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1880' -Direction Inbound -Protocol UDP -LocalPort 1880 -Action Block

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