We have discovered that under some circumstancies, the steps described
to protect your code were not possible. These new versions address these
Also, as a new setting (trusted_proxies) has been added to both Symfony
2.0 and 2.1, you might have an error the first time you clear the cache via
the cache:clear command. You can either clear the cache manually or run
the command a second time.
The deps files for Symfony 2.0.21 can be downloaded here: