HTTPfy

Port 3142 (rdc-wh-eos)

IANA assigns port 3142 to rdc-wh-eos: RDC WH EOS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
rdc-wh-eos TCP RDC WH EOS Udi Nir -
rdc-wh-eos UDP RDC WH EOS Udi Nir -

Check what is listening on port 3142

Linux: is anything listening on TCP 3142?
sudo ss -tlnp 'sport = :3142'
Linux: UDP 3142
sudo ss -ulnp 'sport = :3142'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3142
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3142 '
Windows (Command Prompt)
netstat -ano | findstr :3142
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3142 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3142
From Windows
Test-NetConnection HOST -Port 3142
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3142

Block port 3142 in the firewall

ufw
sudo ufw deny 3142/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3142 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3142 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3142' -Direction Inbound -Protocol TCP -LocalPort 3142 -Action Block
ufw
sudo ufw deny 3142/udp
iptables
sudo iptables -A INPUT -p udp --dport 3142 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3142 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3142' -Direction Inbound -Protocol UDP -LocalPort 3142 -Action Block

Related ports

3140ariliamulti3141vmodem3143seaview3144tarantella

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