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Port 3165 (newgenpay)

IANA assigns port 3165 to newgenpay: Newgenpay Engine Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
newgenpay TCP Newgenpay Engine Service Ilan Zisser -
newgenpay UDP Newgenpay Engine Service Ilan Zisser -

Check what is listening on port 3165

Linux: is anything listening on TCP 3165?
sudo ss -tlnp 'sport = :3165'
Linux: UDP 3165
sudo ss -ulnp 'sport = :3165'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3165
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3165 '
Windows (Command Prompt)
netstat -ano | findstr :3165
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3165 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3165
From Windows
Test-NetConnection HOST -Port 3165
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3165

Block port 3165 in the firewall

ufw
sudo ufw deny 3165/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3165 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3165 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3165' -Direction Inbound -Protocol TCP -LocalPort 3165 -Action Block
ufw
sudo ufw deny 3165/udp
iptables
sudo iptables -A INPUT -p udp --dport 3165 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3165 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3165' -Direction Inbound -Protocol UDP -LocalPort 3165 -Action Block

Related ports

3163res-sap3164imprs3166sossecollector3167nowcontact

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