PHPSTROM Algorithm negotiation fail in mac osx Sierra.
I am facing an issue when connecting to SSH through SFTP, whenever I try to connect I get an error saying "ALGORITHM NEGOTIATION FAIL" for reference I have attached an screenshot. I even don't know how to check the log and find out for exact solutions. Can anyone help me to fix this issue.

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Hi there,
1) "Help | Show log in..." to see the log
2) For more detailed logs see https://intellij-support.jetbrains.com/hc/en-us/articles/207241115-How-to-Collecting-PhpStorm-WebStorm-debug-Logs
hey Andriy,
Thank you for your response.
I tried checking the log but no luck, do you know what will be the issue with that "Algorithm negotiation fail" issue in mac sierra.
Not a Mac user unfortunately so cannot give you any precise answer.
But try checking tickets here -- they may have some hints: https://youtrack.jetbrains.com/issues/WI?q=Algorithm%20negotiation%20fail
For reference purposes (same on StackOverflow) https://stackoverflow.com/questions/44758831/phpstorm-issue-in-connecting-ssh-through-sftp-getting-algorithm-negotiation-fa
P.S.
PhpStorm v8? It's an old version -- download latest 2017.1.4 and try the same there.
It can run in parallel to your current version -- IDE-wide settings are stored separately; just backup .idea subfolder of your project (this project settings) or test in in brand new project -- project settings most likely will not be backward compatible after opening it in newer version.
@Andriy dude its is a licensed version and i want to run from this only.
Hello,
It is a known issue, has been fixed in version 9: https://youtrack.jetbrains.com/issue/WI-25360 .
But since it is related to JDK certificates and you have version 8, could you try to install http://download.jetbrains.com/webide/PhpStorm-8.0.4-custom-jdk-bundled.dmg and check how it will work, please?