Access WSL2 externally

info.md

netsh interface portproxy add v4tov4 listenport=4000 listenaddress=0.0.0.0 connectport=4000 connectaddress=$(wsl.exe hostname -I)

Purpose: forwards all incoming network traffic (0.0.0.0) on port 4000 to $(wsl.exe hostname -I) at the same port

• view

netsh interface portproxy show all

• delete

netsh interface portproxy reset

---

netsh advfirewall firewall add rule name=”wsl-jekyll” dir=in action=allow protocol=TCP localport=4000 

Purpose: adds firewall rule ('wsl-jekyll') to allow incoming traffic to TCP port 4000

• view (specific)

netsh advfirewall firewall show rule name="wsl-jekyll"

• view (all)

netsh advfirewall firewall show rule name=all | findstr "Rule Name:" | findstr /V "Microsoft"

• toggle

netsh advfirewall firewall set rule name="wsl-jekyll" new enable=<yes/no>

• delete

netsh advfirewall firewall delete rule name='wsl-jekyll'

---

Note: access system via <your Windows PC's IP>:<4000>, which can be obtained with:

(netsh interface ip show address "Wi-Fi" | Select-String -Pattern "IP Address") -replace ".+:\s+",""

ref: microsoft/WSL#4150 (comment)