All Questions
5
questions
0
votes
1
answer
6k
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Putty on client - error couldn't agree a key exchange algorithm
My issue is that I have a putty client on a windows machine, trying to ssh to a Linux server (CentOS). The putty version is very old and it is NOT possible to take a newer version.
I would like to ...
18
votes
1
answer
23k
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How to check if your ssh keys are in the ssh-rsa2 format?
So recently there were news of OpenSSH dropping support for SHA-1 logins and I am trying to understand which format they are referring to. Since years i've been generating keys via ssh-keygen -t rsa -...
0
votes
1
answer
104
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SSH-256/512 RSA taking "long" to login
Up to now, I have been using putty + pageant 0.66 to ssh from my Win 10 client to a couple of Linux servers, as in
Comp A Comp B Comp C
Win 10, Msys2 --...
32
votes
1
answer
63k
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How to check SSH key version locally
In general i'm searching for a method to show information about a private or public SSH key without contacting a server, like keylength, algorithm, ssh version and so on. Especially I like to know if ...
2
votes
1
answer
5k
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How reliable are SHA1 sum and MD5 sums on very large files?
I constantly transfer disk images and virtual machine images (usually 800GB to nearly 1 TB per file) to a cloud server via rclone using SSH, and I wonder how reliable are sha1sum and md5sum when it ...