diff --git a/yasnd.c b/yasnd.c
index f796250..7e07b6e 100644
--- a/yasnd.c
+++ b/yasnd.c
@@ -20,7 +20,7 @@ char* recipient_number=NULL; // recipient of sms alerts
 bool lpt_enable=false; // control usage of LPT port to reset target devices
 int lpt_port=0x378; // LPT port in hex(0x378 is usually LPT1)
 bool loop_locked=false; // flag for locking main loop while config re-reading
-int failures_first=3; // count of failures while hosts checking, that triggers first SMS sending
+long failures_first=3; // count of failures while hosts checking, that triggers first SMS sending
 pid_t mainloop_clone_pid; // pid of clone process, that containt main loop
 
 void log_debug(const char *message,int verbosity)
@@ -81,11 +81,22 @@ void lpt_lock()
 	outb (1, lpt_port);
 }
 
+// Function, that checks that defined host entry is valid
+int cb_validate_host(cfg_t *cfg, cfg_opt_t *opt)
+{
+	return 0; // success
+}
+
 void init()
 {
+	static cfg_opt_t host_opts[] = {
+		CFG_STR("hostname", 0, CFGF_NONE),
+		CFG_INT("lpt_pin", 0, CFGF_NONE),
+		CFG_END()
+	};
 	// Initialize config parsing library
 	cfg_opt_t opts[] = {
-		CFG_STR_LIST("hosts", "{}", CFGF_NONE),
+		CFG_SEC("host", host_opts, CFGF_MULTI | CFGF_TITLE),
 		CFG_SIMPLE_INT("debug", &debug_flag),
 		CFG_SIMPLE_BOOL("lpt_enable", &lpt_enable),
 		CFG_SIMPLE_INT("lpt_port", &lpt_port),
@@ -97,6 +108,8 @@ void init()
 		CFG_END()
 	};
 	cfg = cfg_init(opts, CFGF_NONE);
+	// set a validating callback function for host sections
+	cfg_set_validate_func(cfg, "host", &cb_validate_host);
 	// check if config file is valid and parse it
 	if (cfg_parse(cfg, "/etc/yasnd.conf") == CFG_PARSE_ERROR)
 	{
@@ -128,7 +141,7 @@ void init()
 		}
 	}
 	// hosts' array must not be empty
-	hosts_count=cfg_size(cfg,"hosts");
+	hosts_count=cfg_size(cfg,"host");
 	if (hosts_count==0)
 	{
 		log_event("Error: no hosts to check defined in config file");
@@ -139,7 +152,8 @@ void init()
 	// ...and fill it with config file content
 	for (int i=0;i<hosts_count;i++)
 	{
-		hosts[i].hostname=cfg_getnstr(cfg,"hosts",i);
+		cfg_t* host = cfg_getnsec(cfg, "host", i);
+		hosts[i].hostname=cfg_getstr(host,"hostname");
 		hosts[i].fail_count=0;
 		hosts[i].alert_sent=false;
 	}