sshd: Raise MaxStartups on ssh upload hosts

diff --git a/modules/ssh/templates/sshd_config.erb b/modules/ssh/templates/sshd_config.erb
index 6828606..ca68f52 100644 (file)
--- a/modules/ssh/templates/sshd_config.erb
+++ b/modules/ssh/templates/sshd_config.erb
@@ -21,6 +21,12 @@ HostKey /etc/ssh/ssh_host_rsa_key
 <%- if has_variable?("has_etc_ssh_ssh_host_ed25519_key") && @has_etc_ssh_ssh_host_ed25519_key -%>
 HostKey /etc/ssh/ssh_host_ed25519_key
 <% end %>
+<% if scope.function_has_role(['ssh.upload.d.o']) -%>
+# On ssh upload hosts we have many clients doing ssh connections to us.
+# sshd has - by default - a limit of 10 on the number of currently
+# unauthenticated (or not yet authenticated) connections.  Raise that limit.
+MaxStartups 100:30:200
+<% end %>
 
 # Authentication:
 PermitRootLogin without-password