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Port 1878 (drmsmc)

IANA assigns port 1878 to drmsmc.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
drmsmc TCP drmsmc Katsuhiko Abe -
drmsmc UDP drmsmc Katsuhiko Abe -

Check what is listening on port 1878

Linux: is anything listening on TCP 1878?
sudo ss -tlnp 'sport = :1878'
Linux: UDP 1878
sudo ss -ulnp 'sport = :1878'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1878
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1878 '
Windows (Command Prompt)
netstat -ano | findstr :1878
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1878 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1878
From Windows
Test-NetConnection HOST -Port 1878
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1878

Block port 1878 in the firewall

ufw
sudo ufw deny 1878/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1878 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1878 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1878' -Direction Inbound -Protocol TCP -LocalPort 1878 -Action Block
ufw
sudo ufw deny 1878/udp
iptables
sudo iptables -A INPUT -p udp --dport 1878 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1878 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1878' -Direction Inbound -Protocol UDP -LocalPort 1878 -Action Block

Related ports

1876ewcappsrv1877hp-webqosdb1879nettgain-nms1880vsat-control

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