[Python] Connection to google.com has a security policy called HTTP Strict Transport Security...

While running my test scripts with selenium == 4.2.0 like this:

from selenium.webdriver import Firefox, FirefoxOptions
from selenium.webdriver.firefox.service import Service
from selenium.webdriver.common.proxy import Proxy, ProxyType


options = FirefoxOptions()
service = Service()
options.headless = True
options.accept_insecure_certs = True
proxy = Proxy({
'httpProxy': proxy_addr,
'sslProxy': proxy_addr,
'proxyType': ProxyType.MANUAL
})

options.proxy = proxy

wd = Firefox(service=service, options=options)
wd.execute("get", {'url': 'http://google.com'})


I'm getting the following error:

An error occurred during a connection to www.google.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site. Please contact the website owners to inform them of this problem. This website might not support the TLS 1.2 protocol, which is the minimum version supported by Firefox. Enabling TLS 1.0 and TLS 1.1 might allow this connection to succeed.
​

I think the problem is that I'm using a proxy which is running on localhost. Since I use the browser in headless mode and configured accept_insecure_certs = True I don't see how to find a workaround for this error. I'll be grateful if someone advises what else I can try to do.

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