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Port 2148 (veritas-ucl)

IANA assigns port 2148 to veritas-ucl: VERITAS UNIVERSAL COMMUNICATION LAYER.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
veritas-ucl TCP VERITAS UNIVERSAL COMMUNICATION LAYER Songlin Ren -
veritas-ucl UDP VERITAS UNIVERSAL COMMUNICATION LAYER Songlin Ren -

Check what is listening on port 2148

Linux: is anything listening on TCP 2148?
sudo ss -tlnp 'sport = :2148'
Linux: UDP 2148
sudo ss -ulnp 'sport = :2148'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2148
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2148 '
Windows (Command Prompt)
netstat -ano | findstr :2148
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2148 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2148
From Windows
Test-NetConnection HOST -Port 2148
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2148

Block port 2148 in the firewall

ufw
sudo ufw deny 2148/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2148 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2148 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2148' -Direction Inbound -Protocol TCP -LocalPort 2148 -Action Block
ufw
sudo ufw deny 2148/udp
iptables
sudo iptables -A INPUT -p udp --dport 2148 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2148 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2148' -Direction Inbound -Protocol UDP -LocalPort 2148 -Action Block

Related ports

2146lv-not2147lv-auth2149acptsys2150dynamic3d

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