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Port 1770 (bmc-net-svc)

IANA assigns port 1770 to bmc-net-svc.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
bmc-net-svc TCP bmc-net-svc Portnoy Boxman -
bmc-net-svc UDP bmc-net-svc Portnoy Boxman -

Check what is listening on port 1770

Linux: is anything listening on TCP 1770?
sudo ss -tlnp 'sport = :1770'
Linux: UDP 1770
sudo ss -ulnp 'sport = :1770'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1770
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1770 '
Windows (Command Prompt)
netstat -ano | findstr :1770
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1770 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1770
From Windows
Test-NetConnection HOST -Port 1770
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1770

Block port 1770 in the firewall

ufw
sudo ufw deny 1770/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1770 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1770 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1770' -Direction Inbound -Protocol TCP -LocalPort 1770 -Action Block
ufw
sudo ufw deny 1770/udp
iptables
sudo iptables -A INPUT -p udp --dport 1770 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1770 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1770' -Direction Inbound -Protocol UDP -LocalPort 1770 -Action Block

Related ports

1768cft-71769bmc-net-adm1771vaultbase1772essweb-gw

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