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Port 1252 (bspne-pcc)

IANA assigns port 1252 to bspne-pcc.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
bspne-pcc TCP bspne-pcc - -
bspne-pcc UDP bspne-pcc - -

Check what is listening on port 1252

Linux: is anything listening on TCP 1252?
sudo ss -tlnp 'sport = :1252'
Linux: UDP 1252
sudo ss -ulnp 'sport = :1252'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1252
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1252 '
Windows (Command Prompt)
netstat -ano | findstr :1252
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1252 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1252
From Windows
Test-NetConnection HOST -Port 1252
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1252

Block port 1252 in the firewall

ufw
sudo ufw deny 1252/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1252 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1252 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1252' -Direction Inbound -Protocol TCP -LocalPort 1252 -Action Block
ufw
sudo ufw deny 1252/udp
iptables
sudo iptables -A INPUT -p udp --dport 1252 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1252 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1252' -Direction Inbound -Protocol UDP -LocalPort 1252 -Action Block

Related ports

1250swldy-sias1251servergraph1253q55-pcc1254de-noc

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