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Updated Security protection of various files in Win32 OpenSSH (markdown)

Manoj Ampalam 2017-05-14 23:20:28 -07:00
parent 0bd54d94b5
commit a215883b4a
1 changed files with 6 additions and 5 deletions
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Security-protection-of-various-files-in-Win32-OpenSSH.md

@ -3,9 +3,9 @@
Starting with the release of [v0.0.13.0][build13], Win32-OpenSSH ensures any configuration and key files are secure before they are loaded. Starting with the release of [v0.0.13.0][build13], Win32-OpenSSH ensures any configuration and key files are secure before they are loaded.
Specifically, following permission checks are enforced: Specifically, following permission checks are enforced:
- User specific resources on client side - - User specific resources on client side - private keys and ssh_config ((%userprofile%\.ssh\config)
- User's private keys should not be accessible to other users. - Should not be accessible to other (non-admin) users.
- User's ssh_config (%userprofile%\.ssh\config) should not be accessible to other users. - Should not be owned by any other (non-admin) user.
- Ex. ssh would fail to use the following private key for userA, since "someotheruser" also has access. - Ex. ssh would fail to use the following private key for userA, since "someotheruser" also has access.
``` ```
c:\>icacls userkey c:\>icacls userkey
@ -13,7 +13,8 @@ userkey userA(F)
someotheruser(R) someotheruser(R)
``` ```
- User specific resources on server side - authorized_keys - User specific resources on server side - authorized_keys
- Should not be accessible to other users. - Should not be accessible to other (non-admin) users.
- Should not be owned by any other (non-admin) user.
- "NT Service/sshd" can only have (R) access. - "NT Service/sshd" can only have (R) access.
- Ex. sshd would not respect the following authorized_keys for userA, since "someotheruser" also has access. - Ex. sshd would not respect the following authorized_keys for userA, since "someotheruser" also has access.
``` ```
@ -23,8 +24,8 @@ authorized_keys NT SERVICE\sshd:(R)
someotheruser(R) someotheruser(R)
``` ```
- Host specific resources on server side - host private keys - Host specific resources on server side - host private keys
- Should not be owned by a non-admin user
- Should not be accessible to any non-admin user - Should not be accessible to any non-admin user
- Should not be owned by a non-admin user
- "NT Service/sshd" can only have (R) access. - "NT Service/sshd" can only have (R) access.
- Ex. sshd would not respect the following host key, since "nonadmin" has access. - Ex. sshd would not respect the following host key, since "nonadmin" has access.
``` ```