diff --git a/ssh/config b/ssh/config
index 68e465a..f4cf070 100644
--- a/ssh/config
+++ b/ssh/config
@@ -2,4 +2,6 @@ Include shared.d/*
 Include local.d/*
 
 Host *
+  ServerAliveInterval 300 # send null packets every 5min to keep connection alive
+  ServerAliveCountMax 2 # if the server doesn't respond 2 times, it's gone so give up
 #  IdentityAgent "~/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"