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Port 3760 (adtempusclient)

IANA assigns port 3760 to adtempusclient: adTempus Client.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
adtempusclient TCP adTempus Client Bill Wingate -
adtempusclient UDP adTEmpus Client Bill Wingate -

Registry dates for this port: registered 2003-05.

Check what is listening on port 3760

Linux: is anything listening on TCP 3760?
sudo ss -tlnp 'sport = :3760'
Linux: UDP 3760
sudo ss -ulnp 'sport = :3760'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3760
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3760 '
Windows (Command Prompt)
netstat -ano | findstr :3760
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3760 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3760
From Windows
Test-NetConnection HOST -Port 3760
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3760

Block port 3760 in the firewall

ufw
sudo ufw deny 3760/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3760 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3760 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3760' -Direction Inbound -Protocol TCP -LocalPort 3760 -Action Block
ufw
sudo ufw deny 3760/udp
iptables
sudo iptables -A INPUT -p udp --dport 3760 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3760 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3760' -Direction Inbound -Protocol UDP -LocalPort 3760 -Action Block

Related ports

3758apw-registry3759exapt-lmgr3761gsakmp3762gbs-smp

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