HTTPfy

Port 2871 (msi-selectplay)

IANA assigns port 2871 to msi-selectplay: MSI Select Play.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
msi-selectplay TCP MSI Select Play Paul Fonte -
msi-selectplay UDP MSI Select Play Paul Fonte -

Check what is listening on port 2871

Linux: is anything listening on TCP 2871?
sudo ss -tlnp 'sport = :2871'
Linux: UDP 2871
sudo ss -ulnp 'sport = :2871'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2871
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2871 '
Windows (Command Prompt)
netstat -ano | findstr :2871
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2871 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2871
From Windows
Test-NetConnection HOST -Port 2871
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2871

Block port 2871 in the firewall

ufw
sudo ufw deny 2871/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2871 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2871 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2871' -Direction Inbound -Protocol TCP -LocalPort 2871 -Action Block
ufw
sudo ufw deny 2871/udp
iptables
sudo iptables -A INPUT -p udp --dport 2871 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2871 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2871' -Direction Inbound -Protocol UDP -LocalPort 2871 -Action Block

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