Zero Sized Reply Error

Some times you might get an error called "Zero Sized Reply" when you are browsing a website

Error:
************************************************************************
ERROR

The requested URL could not be retrieved

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While trying to retrieve the URL: your site

The following error was encountered:

* * Zero Sized Reply *
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Cause:
This is caused because of server issue.
The temp folder might have reached its capacity.

Solution:
Remove unwanted files from temp folder of the server.
In most linux servers temp folder will be /tmp

You can remove all the files from the /tmp folder by using the command

But be very cautious while using "rm -rf" command.
If you use it improperly this will delete everything in the server.