Proxy Guideline

If you're using OSWorld behind a GFW, you can configure your VM to use proxy following the steps below.

1. Configure Your Proxy on the Host Machine

By default, proxy software usually listens only to the local loopback address (127.0.0.1), which cannot be reached from other machine (including the virtual machine). Hence, firstly make your local proxy software listen to the IP address of the VMWare network card, or simply 0.0.0.0 for all the IP addresses. The VMWare network card are usually named vmnetX like vmnet8. Make sure to use the IP address within the identical network segment. For example, 192.168.108.1/24 and 192.268.108.130/24 are within the same network segment, i.e., the same subnet mask (24) and the same prefix (192.168.108, 24-bit length). Usually, different VM instances share the same network segment, and so, the effective host IPs are the same.

After launching the VM, you can use

# run this command on host
# change ws to fusion if you use VMWare Fusion
vmrun -T ws getGuestIPAddress /path/to/vmx/file

to get the IP of the VM. As for host IPs, on Ubuntu (Linux) machine, you can use ip a command to check the IP addresses of each network card. On Windows machine, you can use ipconfig command to check the IP addresses of each network card. Recognize the correct IP and note it for later use.

Then you should configure the listening address of your proxy software:

If you cannot change the listening address of your proxy software, you can set up port forwarding. Suppose your proxy software is listening to 1080 port of localhost (127.0.0.1), and the effective host IP address is 192.168.108.1. On Ubuntu (Linux), you can use socat to forward 192.168.108.1:1080 to 127.0.0.1:1080:

socat TCP-LISTEN:1080,bind=192.168.108.1,fork TCP:127.0.0.1:1080

On Windows, if you have administrative privilidge, you can simply run the following command in a cmd window with admin privilidge.

netsh interface portproxy add v4tov4 listenaddress=192.168.108.1 listenport=1080 connectaddress=127.0.0.1 connectport=1080

Or if you haven't got administrative privilidge, you can use ncat bundled in Nmap to forword the port:

ncat -k -l 192.168.108.1 1080 --sh-exec 'ncat 127.0.0.1 1080'

2. Configure in the VM Machine

For the Ubuntu Image

Configuration by GUI

Open system network setting in the VM.

Then, click on "Network Proxy".

Set an appropriate proxy mode. Usually, use "Manual" mode, and set the correct IP addresses and ports. The IP address should be the host machine IP noted in the previous step.

Then you can open a chrome page to check if the proxy works well.

Configuration by Command Line

If configuration by GUI is not suitable for you, you can instead execute the following commands in the VM to configure proxy on the Ubuntu image:

# run these command in the VM
gsettings set org.gnome.system.proxy mode 'manual'
gsettings set org.gnome.system.proxy.http host 'xxx.xxx.xxx.xxx'
gsettings set org.gnome.system.proxy.http port xxxx
gsettings set org.gnome.system.proxy.https host 'xxx.xxx.xxx.xxx'
gsettings set org.gnome.system.proxy.https port xxxx
gsettings set org.gnome.system.proxy.socks host 'xxx.xxx.xxx.xxx'
gsettings set org.gnome.system.proxy.socks port xxxx

If there isn't a physical or virtual screen available for you to direct operate on the VM, you can run these commands with the help of vmrun. For instance,

# run this command on host
# change ws to fusion if you use VMWare Fusion
vmrun -T ws runProgramInGuest /path/to/vmx/file /usr/bin/gsettings set org.gnome.system.proxy mode 'manual'

For Window Image

Configuration by GUI

Open system network setting in the VM.

Then, click on "Proxy".

Switch on "Use a proxy server" and type in the correct proxy configurations.

Finally, remember to click on "Save".

Note that only HTTP proxy is supported. Subsequently, you can open a chrome page to check if the proxy works well.

3. Create a New Snapshot

After modifying the virtual machine, remember to create a new snapshot and start from this new snapshot at experiments.

# change ws to fusion if you use VMWare Fusion
vmrun -T ws snapshot /path/to/vmx/file snapshot_name

# Modify snapshot_name in "desktop_env/envs/desktop_env.py", line 50
snapshot_name: str = "snapshot_name",

4. Modify chrome startup command

By searching "--remote-debugging-port=1337" , you can find all the places that involve Chrome startup commands, and add parameter --proxy-server=host_IP:port

# example
# before
"command": ["google-chrome","--remote-debugging-port=1337"]
# after
"command": ["google-chrome","--remote-debugging-port=1337","--proxy-server=host_IP:port"]

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