nixos/ssh: don't accept ssh-dss keys

These have been deprecated long enough.  I think this default was even
made non-functional by 2337c7522a.  But
it's still a scary thing to see there.

Fixes https://github.com/NixOS/nixpkgs/issues/33381.
This commit is contained in:
Alyssa Ross 2020-04-07 13:07:03 +00:00
parent d7b98129fe
commit 387b9bf352
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@ -61,12 +61,9 @@ in
'';
};
# Allow DSA keys for now. (These were deprecated in OpenSSH 7.0.)
pubkeyAcceptedKeyTypes = mkOption {
type = types.listOf types.str;
default = [
"+ssh-dss"
];
default = [];
example = [ "ssh-ed25519" "ssh-rsa" ];
description = ''
Specifies the key types that will be used for public key authentication.
@ -75,9 +72,7 @@ in
hostKeyAlgorithms = mkOption {
type = types.listOf types.str;
default = [
"+ssh-dss"
];
default = [];
example = [ "ssh-ed25519" "ssh-rsa" ];
description = ''
Specifies the host key algorithms that the client wants to use in order of preference.