Index: boreas/ping.c
--- boreas/ping.c.orig
+++ boreas/ping.c
@@ -17,9 +17,12 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
 #include "ping.h"
 
-#include "../base/prefs.h" /* for prefs_get() */
 #include "arp.h"
 #include "util.h"
 
@@ -27,17 +30,16 @@
 #include <errno.h>
 #include <glib.h>
 #include <ifaddrs.h> /* for getifaddrs() */
-#include <linux/sockios.h>
+#include <unistd.h>
+#include <sys/sockio.h>
 #include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/ip.h>
 #include <netinet/ip6.h>
 #include <netinet/ip_icmp.h>
 #include <netinet/tcp.h>
 #include <stdlib.h>
 #include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <sys/types.h>
 #include <unistd.h>
 
 #undef G_LOG_DOMAIN
@@ -106,7 +108,7 @@ throttle (int soc, int so_sndbuf)
   int cur_so_sendbuf = -1;
 
   /* Get the current size of the output queue size */
-  if (ioctl (soc, SIOCOUTQ, &cur_so_sendbuf) == -1)
+  if (ioctl (soc, TIOCOUTQ, &cur_so_sendbuf) == -1)
     {
       g_warning ("%s: ioctl error: %s", __func__, strerror (errno));
       usleep (100000);
@@ -122,7 +124,7 @@ throttle (int soc, int so_sndbuf)
       while (cur_so_sendbuf >= so_sndbuf)
         {
           usleep (100000);
-          if (ioctl (soc, SIOCOUTQ, &cur_so_sendbuf) == -1)
+          if (ioctl (soc, TIOCOUTQ, &cur_so_sendbuf) == -1)
             {
               g_warning ("%s: ioctl error: %s", __func__, strerror (errno));
               usleep (100000);
@@ -202,19 +204,19 @@ send_icmp_v4 (int soc, struct in_addr *dst)
 
   int len;
   int datalen = 56;
-  struct icmphdr *icmp;
+  struct icmp *icmp;
 
   /* Throttling related variables */
   static int so_sndbuf = -1; // socket send buffer
   static int init = -1;
 
-  icmp = (struct icmphdr *) sendbuf;
-  icmp->type = ICMP_ECHO;
-  icmp->code = 0;
+  icmp = (struct icmp *) sendbuf;
+  icmp->icmp_type = ICMP_ECHO;
+  icmp->icmp_code = 0;
 
   len = 8 + datalen;
-  icmp->checksum = 0;
-  icmp->checksum = in_cksum ((u_short *) icmp, len);
+  icmp->icmp_cksum = 0;
+  icmp->icmp_cksum = in_cksum ((u_short *) icmp, len);
 
   memset (&soca, 0, sizeof (soca));
   soca.sin_family = AF_INET;
@@ -254,24 +256,14 @@ send_icmp (gpointer key, gpointer value, gpointer scan
   struct in_addr dst4;
   struct in_addr *dst4_p = &dst4;
   static int count = 0;
-  int icmp_retries, grace_period = 0;
-  const char *tmp;
-  if ((icmp_retries =
-         (tmp = prefs_get ("icmp_retries")) != NULL ? atoi (tmp) : 1)
-      <= 0)
-    icmp_retries = 1;
-  else if (icmp_retries > 1)
-    grace_period =
-      (tmp = prefs_get ("icmp_grace_period")) != NULL ? atoi (tmp) : 0;
 
   scanner = (scanner_t *) scanner_p;
 
-  // we may send multiple icmp message to reduce to chance of unwanted drops
-  for (int i = 0; i < icmp_retries; i++)
-    {
       if (g_hash_table_contains (scanner->hosts_data->alivehosts, key))
         return;
-      if (++count % BURST == 0)
+
+      count++;
+      if (count % BURST == 0)
         usleep (BURST_TIMEOUT);
 
       if (gvm_host_get_addr6 ((gvm_host_t *) value, dst6_p) < 0)
@@ -287,12 +279,9 @@ send_icmp (gpointer key, gpointer value, gpointer scan
         }
       else
         {
-          dst4.s_addr = dst6_p->s6_addr32[3];
+          dst4.s_addr = dst6_p->s6_addr[12];
           send_icmp_v4 (scanner->icmpv4soc, dst4_p);
         }
-      if (grace_period > 0)
-        usleep (grace_period);
-    }
 }
 
 /**
@@ -552,7 +541,7 @@ send_tcp (gpointer key, gpointer value, gpointer scann
     }
   else
     {
-      dst4.s_addr = dst6_p->s6_addr32[3];
+      dst4.s_addr = dst6_p->s6_addr[12];
       send_tcp_v4 (scanner, dst4_p);
     }
 }
@@ -602,7 +591,7 @@ send_arp (gpointer host_value_str, gpointer value, gpo
       /* Need to transform the IPv6 mapped IPv4 address back to an IPv4 string.
        * We can not just use the host_value_str as it might be an IPv4 mapped
        * IPv6 string. */
-      if (inet_ntop (AF_INET, &(dst6_p->s6_addr32[3]), ipv4_str,
+      if (inet_ntop (AF_INET, &(dst6_p->s6_addr[12]), ipv4_str,
                      sizeof (ipv4_str))
           == NULL)
         {