36 lines
1.4 KiB
Nix
36 lines
1.4 KiB
Nix
{ config, pkgs, ... }:
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{
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# Make sure controlPath directory exists
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home.file.".ssh/c/.dummy".text = "";
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programs.ssh = {
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enable = true;
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controlMaster = "auto";
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controlPersist = "10m";
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controlPath = "~/.ssh/c/%r@%n:%p";
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# We have to do this as text to gaurantee it's part of the last Host * block
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userKnownHostsFile = "~/.ssh/known_hosts ${./extra_known_hosts}";
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extraConfig = ''
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KexAlgorithms sntrup761x25519-sha512@openssh.com,curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
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MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com
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Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
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HostKeyAlgorithms ssh-ed25519,ssh-ed25519-cert-v01@openssh.com,sk-ssh-ed25519@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-512-cert-v01@openssh.com
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VerifyHostKeyDNS ask
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VisualHostKey yes
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UpdateHostKeys ask
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'';
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# Most hosts are set in private
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matchBlocks = {
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"*.cmu.edu" = {
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user = "atosini";
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extraOptions = {
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GSSAPIAuthentication = "yes";
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GSSAPIDelegateCredentials = "yes";
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};
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};
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"github.com".extraOptions.ControlMaster = "no";
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};
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};
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}
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