diff -up squid-3.0.STABLE2/configure.config_netfilter squid-3.0.STABLE2/configure
--- squid-3.0.STABLE2/configure.config_netfilter	2008-03-04 09:35:36.000000000 -0300
+++ squid-3.0.STABLE2/configure	2008-05-05 06:50:56.000000000 -0300
@@ -24512,6 +24512,10 @@ cat >>conftest.$ac_ext <<_ACEOF
 #if HAVE_LIMITS_H
 #include <limits.h>
 #endif
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#include <linux/types.h>
 
 
 #include <$ac_header>
diff -up squid-3.0.STABLE2/configure.in.config_netfilter squid-3.0.STABLE2/configure.in
--- squid-3.0.STABLE2/configure.in.config_netfilter	2008-03-04 09:35:36.000000000 -0300
+++ squid-3.0.STABLE2/configure.in	2008-05-05 06:50:56.000000000 -0300
@@ -1931,6 +1931,10 @@ SQUID_DEFAULT_INCLUDES
 #if HAVE_LIMITS_H
 #include <limits.h>
 #endif
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#include <linux/types.h>
 )
 
 AC_CHECK_HEADERS(net/if.h \
diff -up squid-3.0.STABLE2/src/forward.cc.config_netfilter squid-3.0.STABLE2/src/forward.cc
--- squid-3.0.STABLE2/src/forward.cc.config_netfilter	2008-02-27 07:42:23.000000000 -0300
+++ squid-3.0.STABLE2/src/forward.cc	2008-05-05 06:54:02.000000000 -0300
@@ -50,6 +50,10 @@
 #include "Store.h"
 
 #if LINUX_TPROXY
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#include <linux/types.h>
 #include <linux/netfilter_ipv4/ip_tproxy.h>
 #endif
 
diff -up squid-3.0.STABLE2/src/IPInterception.cc.config_netfilter squid-3.0.STABLE2/src/IPInterception.cc
--- squid-3.0.STABLE2/src/IPInterception.cc.config_netfilter	2007-11-07 08:20:47.000000000 -0200
+++ squid-3.0.STABLE2/src/IPInterception.cc	2008-05-05 06:53:56.000000000 -0300
@@ -85,6 +85,10 @@
 #endif
 
 #if LINUX_NETFILTER
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#include <linux/types.h>
 #include <linux/netfilter_ipv4.h>
 #endif