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 ssh_keys.png 20.1 kB 2 29-Dec-2020 05:25 Ben Spink
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 ssh_keys2.jpg 178.0 kB 1 09-Aug-2021 14:19 Ada Csaba

This page (revision-17) was last changed on 14-Jun-2022 12:09 by Ada Csaba

This page was created on 29-Dec-2020 05:25 by Ben Spink

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At line 1 changed one line
The list of paths to trusted SSH key files controls the public / private key authentication that SFTP allows for.\\
The list of paths to trusted SSH key files controls the public / private key authentication that SFTP allows for. If set, we will assume the user will attempt [SSH public key based authentication|https://www.ssh.com/academy/ssh/public-key-authentication], if no password is supplied at login time. In real-life use case the client end generates the key pair, supplies server side \\
the public key that the server admin will apply on their user account. Server side has no knowledge of the matching private key, that would be the end client's own secret.\\
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__Allowed values for the input field:__\\
\\
!!Allowed values for the input field:\\
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__OS X or Linux__
!!Supported key file type and format:\\
__The key file container__ must be plain text with __PEM__ encoded SSH public key in __SSHv2__, __openssh.com__ or __putty__ format. The older SSHv1 format is not supported.\\
\\
__Supported SSH key algorithms__ in CrushFTP v10 are __SSH2-RSA__, __DSA__ (obsolete), __ECDSA__ and __ED25519__. The older SSH1 RSA algorithm is not supported.\\
\\
__Key size:__ For RSA keys, the minimum size is 1024 bits and the default is 2048 bits . Generally, 2048 bits is considered sufficient, though these can be as large as 8192 bits (slow). DSA keys must be exactly 1024 bits as specified by FIPS 186-2. For ECDSA keys either 256, 384 or 521 bits. Ed25519 keys have a fixed length.
\\
----
!Require public key and password for authentication:
This option will enforce two factor private key + password authentication for SFTP.
\\
----
!!Generating the key pair:
__OS X or Linux__\\
\\
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{{{ssh-keygen -t dsa}}}
{{{ssh-keygen -b 2048 -t rsa -N "" -f /somefolderpath/johndoe.key
}}}
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If you are unsure of how to generate a public / private key pair for your SFTP client, you may want to take a look at [puttygen|http://the.earth.li/~sgtatham/putty/latest/x86/puttygen.exe] for Windows to generate the keys. CrushFTP can use the public key file you generate.
Windows PowerShell now includes an [openSSH stack|https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse], can use the same __ssh-keygen__ tool as above.\\
\\
If you are unsure of how to generate a public / private key pair for your SFTP client, you may want to take a look at [puttygen|http://the.earth.li/~sgtatham/putty/latest/x86/puttygen.exe] for Windows to generate the keys.\\
\\
[{Image src='ssh_keys2.jpg' width='80%' height='..' align='left' style='..' class='..' }]\\
\\
CrushFTP can use the public key file you generate.\\
Version Date Modified Size Author Changes ... Change note
17 14-Jun-2022 12:09 4.59 kB Ada Csaba to previous
16 25-Feb-2022 13:04 4.591 kB Ada Csaba to previous | to last
15 25-Feb-2022 13:04 4.592 kB Ada Csaba to previous | to last
14 09-Aug-2021 14:28 3.335 kB Ada Csaba to previous | to last
13 09-Aug-2021 14:25 3.186 kB Ada Csaba to previous | to last
12 09-Aug-2021 14:19 2.877 kB Ada Csaba to previous | to last
11 09-Aug-2021 14:04 2.498 kB Ada Csaba to previous | to last
10 09-Aug-2021 13:59 2.305 kB Ada Csaba to previous | to last
9 09-Aug-2021 13:38 1.634 kB Ada Csaba to previous | to last
8 09-Aug-2021 13:20 1.229 kB Ada Csaba to previous | to last
7 29-Dec-2020 05:25 1.161 kB Ben Spink to previous | to last
6 29-Dec-2020 05:25 1.191 kB Ben Spink to previous | to last
5 29-Dec-2020 05:25 1.189 kB Ben Spink to previous | to last
4 29-Dec-2020 05:25 1.193 kB Ben Spink to previous | to last
3 29-Dec-2020 05:25 0.673 kB Ben Spink to previous | to last
2 29-Dec-2020 05:25 0.676 kB Ben Spink to previous | to last
1 29-Dec-2020 05:25 0.674 kB Ben Spink to last
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