Do you want to limit the bandwidth usage of a cPanel user? Or is it the case that your bandwidth is limited, and you need to increase it? A WHM user can modify the cPanel account's bandwidth, and a Root user can modify the WHM and cPanel user from their WHM account.
Login to your WHM Account.
Go to Account Functions
>> Limit Bandwidth Usage
or type Limit Bandwidth
in the search box. Then, the option will appear.
In the Search Box
, type the cPanel username or select a user from the drop-down list. Then click on the Limit
Under Bandwidth Limit
, select the Unlimited radio box for unlimited bandwidth or type the value in the field box and then click the Change
. You successfully modified the bandwidth limit of your selected cPanel user.