Sophos web Gateway - facebook not block as expected even with SSL Inspection === IPv6

Hi,

we are using CENTRAL products and performed the following:

- on the endPoint policies we disabled WEB CONTROL feature;

- created a new one Web Gateway Policy;

- put it on the top;

- set an user for it;

- enable Web filtering and put all categories to BLOCK;

- enable SSL inspection for all categories;

- specify an website/domain as 'ALLOW' just for tests;

Conclusion

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All websites which works on IPv4 the block works fine, but websites which response as IPv6 it cannot block - Facebook.com is one of they...

>>> Hello Sophos??