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Port 160 (sgmp-traps)

IANA assigns port 160 to sgmp-traps: SGMP-TRAPS.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sgmp-traps TCP SGMP-TRAPS Marty Schoffstahl -
sgmp-traps UDP SGMP-TRAPS Marty Schoffstahl -

Check what is listening on port 160

Linux: is anything listening on TCP 160?
sudo ss -tlnp 'sport = :160'
Linux: UDP 160
sudo ss -ulnp 'sport = :160'
Linux / macOS: which process owns the port
sudo lsof -nP -i :160
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':160 '
Windows (Command Prompt)
netstat -ano | findstr :160
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 160 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 160
From Windows
Test-NetConnection HOST -Port 160
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 160

Block port 160 in the firewall

ufw
sudo ufw deny 160/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 160 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 160 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 160' -Direction Inbound -Protocol TCP -LocalPort 160 -Action Block
ufw
sudo ufw deny 160/udp
iptables
sudo iptables -A INPUT -p udp --dport 160 -j DROP
nftables
sudo nft add rule inet filter input udp dport 160 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 160' -Direction Inbound -Protocol UDP -LocalPort 160 -Action Block

Related ports

158pcmail-srv159nss-routing161SNMP162SNMP trap

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