diff --git a/zsh.d/zshfunctions/s_client b/zsh.d/zshfunctions/s_client
new file mode 100644
index 0000000..6f0455b
--- /dev/null
+++ b/zsh.d/zshfunctions/s_client
@@ -0,0 +1,7 @@
+server=$1
+host=$2
+if [ -z $host ]
+then
+    host=$server
+fi
+openssl s_client -connect $server:443 -servername $host