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Port 2352 (pslserver)

IANA assigns port 2352 to pslserver.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
pslserver TCP pslserver - -
pslserver UDP pslserver - -

Check what is listening on port 2352

Linux: is anything listening on TCP 2352?
sudo ss -tlnp 'sport = :2352'
Linux: UDP 2352
sudo ss -ulnp 'sport = :2352'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2352
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2352 '
Windows (Command Prompt)
netstat -ano | findstr :2352
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2352 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2352
From Windows
Test-NetConnection HOST -Port 2352
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2352

Block port 2352 in the firewall

ufw
sudo ufw deny 2352/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2352 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2352 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2352' -Direction Inbound -Protocol TCP -LocalPort 2352 -Action Block
ufw
sudo ufw deny 2352/udp
iptables
sudo iptables -A INPUT -p udp --dport 2352 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2352 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2352' -Direction Inbound -Protocol UDP -LocalPort 2352 -Action Block

Related ports

2350psbserver2351psrserver2353pspserver2354psprserver

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