https://bugzilla.mindrot.org/show_bug.cgi?id=3780
Bug ID: 3780
Summary: connecting using KexAlgorithms list fails without
spaces
Product: Portable OpenSSH
Version: 9.9p1
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: ssh
Assignee: [email protected]
Reporter: [email protected]
I have issues connecting to my ssh server:
using the predefined default kex list:
debug2: KEX algorithms:
curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,
...
So I tried to provide a manual list for kex algorithms, because it
looks like that specific algorithms doesnt work. on that way I figured
out the following issue:
ssh -vv myServer -o KexAlgorithms=ecdh-sha2-nistp256 ... ok
ssh -vv myServer -o KexAlgorithms=ecdh-sha2-nistp384 ... ok
ssh -vv myServer -o KexAlgorithms=ecdh-sha2-nistp256,ecdh-sha2-nistp384
... fails
ssh -vv myServer -o KexAlgorithms=ecdh-sha2-nistp384,ecdh-sha2-nistp256
... fails
ssh -vv myServer -o KexAlgorithms=ecdh-sha2-nistp384,
ecdh-sha2-nistp256 ... ok
ssh -vv myServer -o KexAlgorithms=ecdh-sha2-nistp256,
ecdh-sha2-nistp384 ... ok
it smells like, it has something to do with the spaces?
as the list provided doesnt have spaces, I wondering how to provide a
correct list?
this is really curious.
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