Looking for logging into the Security Gateway site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Security Gateway site. After that you can login as usual with your login credentials.
https://community.ubnt.com/t5/UniFi-Routing-Switching/USG-not-allowing-me-to-login-directly/td-p/1164966
https://dl.ubnt.com/guides/UniFi/USG_QSG.pdf
https://setuprouter.com/router/ubiquiti/unifi-security-gateway-pro-4/login.htm
https://campusportal.hshl.de/
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk109114
https://campus.barracuda.com/product/websecuritygateway/doc/6160408/step-3-configure-the-barracuda-web-security-gateway/
https://campus.barracuda.com/product/emailsecuritygateway/
https://portal.ward-security.co.uk/
https://secure.worldpay.com/sso/public/auth/login.html
https://gateway.edu.state.ma.us/docs/loginhelp.asp?mode=create
http://help.altn.com/securitygateway/en/verification_source_edit.htm
https://support.mcafee.com/ServicePortal/faces/home/login
https://www.cybersource.com/en-ANZ/