ssh connection to ATP100: "no matching key exchange method found. Their offer: ..."

bobrun
bobrun Posts: 1
edited April 2021 in Security
Hi, when trying to connect to my ATP100 (FW 4.55(ABPS.0)) via ssh I get:

"Unable to negotiate with x.x.x.x port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1"

Apparently the ATP100 offers only outdated key exchange methods based on sha1. I could enable these in my ssh command but that's certainly an undesirable approach. How can I enable newer eg sha2 based kex methods on the ATP100?


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