Yes, your antivirus or personal firewall software (Norton/McAfee) may require you to adjust some settings in order to access EBSCOhost.
Some internet security programs may require you to uncheck the advertising pop-up blocker and web blocking (e.g. McAfee) while others may require you to configure custom level privacy settings and disable browser privacy (e.g. Norton) in order to property use EBSCO interfaces.
Settings and access to those settings vary by internet security product and version, so you should consult your software's user guide for more info.
For more information, see:
Referring URL Authentication - FAQs