+set_default(const char *name, bool set)
+{
+ FILE *f;
+ char path[sizeof("/proc/sys/net/ipv4/tcp_window_scaling\0")];
+
+ snprintf(path, sizeof(path), "/proc/sys/net/ipv4/tcp_%s", name);
+
+ info(" * Set tcp_%s to %s", name, set ? "on" : "off", name);
+
+ if (!(f = fopen(path, "w")))
+ {
+ info(" ! Unable to write value: %s", strerror(errno));
+ return;
+ }
+
+ fprintf(f, "%u\n", set);
+ fclose(f);
+}
+
+void
+fw3_set_defaults(struct fw3_state *state)
+{
+ set_default("ecn", state->defaults.tcp_ecn);
+ set_default("syncookies", state->defaults.tcp_syncookies);
+ set_default("window_scaling", state->defaults.tcp_window_scaling);
+}
+
+static void
+reset_policy(enum fw3_table table, enum fw3_flag policy)