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314
May 24th, 2023 14:00
Dell FN410s SSH Key Exchange
Our security tool alerted about week KEX algorithims enabled on the FN410S I/O module one of our non-prod servers has.I've been trying to figure out how to disable it but can't seem to run the command. I entered conf mode, but my only options under ip ssh server are enable and version. show ip ssh shows that the diffie hellman methods are enabled. I have been referencing CLI documentation https://www.dell.com/support/manuals/en-ae/poweredge-fx2/fn-iom-9.10.0.0-cli-pub/ip-ssh-server?guid=guid-1c38c8cc-4632-4692-9dc0-7efa2cebf972&lang=en-us but can't seem to get the KEX portion to run. Does anybody have example syntax for modifying the KEX value?
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DELL-Joey C
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May 24th, 2023 20:00
Hi @rs7386,
To disable KEX? - I think a command syntax of '#no ip ssh server kex' should disable KEX.
Also, could you check if you're running on firmware 9.10? If yes, please update to 9.14.1.8.
rs7386
9 Posts
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May 25th, 2023 08:00
we were on 9.14.1.0, upgrading to latest seems to have disabled the problematic ones by default, so I am set.