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"An unknown server error has occurred" is displayed when importing a large number of URLs to a single URL list on the Web Security Service portal.


Article ID: 175286


Updated On:


Web Security Service - WSS


If you try to import huge URLs in single URL list on the Web Security Service(WSS) portal 
you cannot save and "An Unknown server error occurred" is displayed.

An unknown server error has occurred


It is necessary to transfer the updated data to the cloud side when saving URL list.
Hit the timeout limit of 60 seconds because there is too much transfer data.
The timeout value is a specification of WSS portal. 


It depends on the user's network environment (network speed) but the recommended value for the number of URLs to import in single URL list is 1000-1500.
The result to import URL list around 1000-1500 is consistently positive.