letsencrypt

In all of our current uses of os.umask or filesystem.umask, we always temporarily set it to a different value and then restore it using a try/finally block. I expect this pattern to continue.

Because of that, why don't we create a simple function in certbot.util that can be used as a context manager to set umask to a value and restore it to its previous value when exiting the with blo

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• Dependencies installed
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Issue Description

When using the RateLimiter Middleware with a rate between 0 and 1 all events will be rejected instead of applying the specified rate. E.g.: e.Use(middleware.RateLimiter(middleware.NewRateLimiterMemoryStore(0.5)))

I am not saying that it is a common use case to have

Sorry for not following the template. It's a straightforward question.

By enabling "WordPress-specific rules", the following codes will be added to the wordpress.conf:

# WordPress: deny general stuff
location ~* ^/(?:xmlrpc\.php|wp-links-opml\.php|wp-config\.php|wp-config-sample\.php|readme\.html|license\.txt)$ {
    deny all;
}

However, this disables xmlrpc feature, which disa

In #4808 more functionality was added to runScheduler function and I think we should add a unit test for it.

This function is run periodically to add 'Processing' status to unprocessed challenges. This mechanism allows us to limit the number of challen