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Port 1272 (cspmlockmgr)

IANA assigns port 1272 to cspmlockmgr: CSPMLockMgr.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
cspmlockmgr TCP CSPMLockMgr Ibtsam Mahfouz -
cspmlockmgr UDP CSPMLockMgr Ibtsam Mahfouz -

Check what is listening on port 1272

Linux: is anything listening on TCP 1272?
sudo ss -tlnp 'sport = :1272'
Linux: UDP 1272
sudo ss -ulnp 'sport = :1272'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1272
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1272 '
Windows (Command Prompt)
netstat -ano | findstr :1272
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1272 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1272
From Windows
Test-NetConnection HOST -Port 1272
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1272

Block port 1272 in the firewall

ufw
sudo ufw deny 1272/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1272 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1272 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1272' -Direction Inbound -Protocol TCP -LocalPort 1272 -Action Block
ufw
sudo ufw deny 1272/udp
iptables
sudo iptables -A INPUT -p udp --dport 1272 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1272 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1272' -Direction Inbound -Protocol UDP -LocalPort 1272 -Action Block

Related ports

1270opsmgr1271excw1273emc-gateway1274t1distproc

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