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Port 1982 (estamp)

IANA assigns port 1982 to estamp: Evidentiary Timestamp.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
estamp TCP Evidentiary Timestamp Todd Glassey -
estamp UDP Evidentiary Timestamp Todd Glassey -

Check what is listening on port 1982

Linux: is anything listening on TCP 1982?
sudo ss -tlnp 'sport = :1982'
Linux: UDP 1982
sudo ss -ulnp 'sport = :1982'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1982
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1982 '
Windows (Command Prompt)
netstat -ano | findstr :1982
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1982 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1982
From Windows
Test-NetConnection HOST -Port 1982
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1982

Block port 1982 in the firewall

ufw
sudo ufw deny 1982/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1982 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1982 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1982' -Direction Inbound -Protocol TCP -LocalPort 1982 -Action Block
ufw
sudo ufw deny 1982/udp
iptables
sudo iptables -A INPUT -p udp --dport 1982 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1982 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1982' -Direction Inbound -Protocol UDP -LocalPort 1982 -Action Block

Related ports

1980panquest-xact1981p2pq1983lhtp1984bb

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