Add sftp jail.

ansible/roles/jail/files/jails/sftp.conf

@@ -0,0 +1,14 @@
+sftp {
+    path = "/jail/${name}";
+    vnet;
+    exec.prestart += "/usr/local/bin/jail_netgraph_bridge start jail_nat jail${name} 10.215.1.1/24";
+    exec.poststop += "/usr/local/bin/jail_netgraph_bridge stop jail_nat jail${name}";
+    vnet.interface += "jail${name}";
+
+    devfs_ruleset = 14;
+    mount.devfs;
+
+    exec.start += "/bin/sh /etc/rc";
+    exec.stop = "/bin/sh /etc/rc.shutdown jail";
+    exec.consolelog = "/var/log/jail_${name}_console.log";
+}