Looking for logging into the Jira Self Sign Up 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 Jira Self Sign Up site. After that you can login as usual with your login credentials.
https://confluence.atlassian.com/cloud/configure-site-access-744721636.html
https://community.atlassian.com/t5/Confluence-questions/Setup-self-service-registration-in-Atlassian-Cloud/qaq-p/4116
https://community.atlassian.com/t5/Jira-questions/How-to-disable-jira-sign-up/qaq-p/131520
https://community.atlassian.com/t5/Jira-questions/Can-customers-self-register/qaq-p/369908
https://jira.atlassian.com/browse/ID-6385
https://community.atlassian.com/t5/Jira-Service-Desk-questions/Customer-portal-self-sign-up-and-private-protected-knowledge/qaq-p/348886
https://confluence.atlassian.com/adminjiraserver073/enabling-public-signup-and-captcha-861253180.html
https://confluence.atlassian.com/crowd/public-signup-setup-91554138.html
https://jira.atlassian.com/browse/ID-6463
https://community.atlassian.com/t5/Jira-Service-Desk-questions/Jira-service-desk-self-registration/qaq-p/875686
https://community.atlassian.com/t5/Jira-questions/Self-Sign-up-does-not-appear-to-work-in-Jira-Cloud/qaq-p/24966
https://confluence.atlassian.com/adminjiraserver/configuring-jira-application-options-938847824.html
https://confluence.atlassian.com/fisheye/configuring-public-signup-960155702.html