diff --git a/configuration.nix b/configuration.nix
index 7313ab3..ff35380 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -57,6 +57,20 @@
   services.openssh = {
     enable = true;
     permitRootLogin = "yes";
+    macs = [
+      "hmac-sha2-512-etm@openssh.com"
+      "hmac-sha2-256-etm@openssh.com"
+      "umac-128-etm@openssh.com"
+      "hmac-sha2-512"
+      "hmac-sha2-256"
+      "umac-128@openssh.com"
+      "hmac-sha1"
+    ];
+    kexAlgorithms = [
+      "curve25519-sha256@libssh.org"
+      "diffie-hellman-group-exchange-sha256"
+      "diffie-hellman-group1-sha1"
+    ];
   };
 
   # Create coace user