Looking for logging into the Salesforce Issues 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 Salesforce Issues site. After that you can login as usual with your login credentials.
https://help.salesforce.com/apex/HTViewHelpDoc%3Fid%3Dgetstart_login.htm
https://help.salesforce.com/apex/HTViewSolution%3Fid%3D000005648%26language%3Den_US
https://help.salesforce.com/articleView%3Fid%3Dgetstart_login.htm%26type%3D5
https://success.salesforce.com/answers%3Fid%3D9063A000000DpffQAC
https://help.salesforce.com/htviewsolution%3Fid%3D000204521
https://help.salesforce.com/htviewsolution%3Fid%3D000175987
https://help.salesforce.com/apex/HTViewSolution%3Furlname%3DSalesforce1-Troubleshooting-Login-Issues%26language%3Den_US
https://help.salesforce.com/HTViewSolution%3Fid%3D000220989
https://developer.salesforce.com/forums/%3Fid%3D906F00000008mJiIAI
https://help.connexys.com/hc/en-us/articles/115005715829-Login-Issues
http://www.google.de/url?url=http://downdetector.com/status/salesforcecom
https://github.com/salesforce/Argus/issues/74
https://community.boomi.com/s/question/0D51W00006As26ASAR/salesforce-login-issue