Configuring a SOCKS proxy server in Chrome

socks.txt

From: http://www.chromium.org/developers/design-documents/network-stack/socks-proxy

To configure chrome to proxy traffic through the SOCKS v5 proxy server myproxy:8080, launch chrome with these two command-line flags:

--proxy-server="socks5://myproxy:8080"
--host-resolver-rules="MAP * 0.0.0.0 , EXCLUDE myproxy"

The first thing to check when debugging is look at the Proxy tab on about:net-internals, and verify what the effective proxy settings are:
  chrome://net-internals/#proxy

Next, take a look at the DNS tab of about:net-internals to make sure Chrome isn't issuing local DNS resolves:
  chrome://net-internals/#dns

Next, to trace the proxy logic for individual requests in Chrome take a look at the Events tab of about:net-internals:
  chrome://net-internals/#events

Example Usage:
$ ssh -C2qTnN -D 8080 user@domain.com
$ google-chrome --proxy-server="socks5://127.0.0.1:8080" --host-resolver-rules="MAP cache.pack.google.com 127.0.0.1,MAP clients1.google.com 127.0.0.1"

"MAP * ~NOTFOUND, EXCLUDE 127.0.0.1" Seems to have been deprecated as of Oct 2023. However, manually excluding hostnames still work, but presents a You are using an unsupported command-line flag: --host-resolver-rules="MAP cache.pack.google.com 127.0.0.1" Stability and security will suffer. warning.