diff --git a/src/packages/fff/fff-network/Makefile b/src/packages/fff/fff-network/Makefile
index 8d67824..0122a9a 100644
--- a/src/packages/fff/fff-network/Makefile
+++ b/src/packages/fff/fff-network/Makefile
@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=fff-network
-PKG_RELEASE:=26
+PKG_RELEASE:=27
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
 
diff --git a/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf b/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf
index a33c212..f0ba7a7 100644
--- a/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf
+++ b/src/packages/fff/fff-network/files/etc/sysctl.d/50-fff-network.conf
@@ -21,11 +21,6 @@ net.ipv4.icmp_echo_ignore_broadcasts=1
 net.ipv4.icmp_ignore_bogus_error_responses=1
 net.ipv4.ip_forward=0
 
-# disable bridge firewalling by default
-net.bridge.bridge-nf-call-arptables=0
-net.bridge.bridge-nf-call-ip6tables=0
-net.bridge.bridge-nf-call-iptables=0
-
 net.ipv6.conf.default.accept_dad=0
 net.ipv6.conf.default.accept_ra=0
 net.ipv6.conf.default.accept_redirects=0
@@ -33,14 +28,10 @@ net.ipv6.conf.all.accept_dad=0
 net.ipv6.conf.all.accept_ra=0
 net.ipv6.conf.all.accept_redirects=0
 
-# Accept Router Preference in RA?
-net.ipv6.conf.default.accept_ra_rtr_pref = 0
-net.ipv6.conf.all.accept_ra_rtr_pref = 0
- 
 # Learn Prefix Information in Router Advertisement
 net.ipv6.conf.default.accept_ra_pinfo = 0
 net.ipv6.conf.all.accept_ra_pinfo = 0
- 
+
 # Setting controls whether the system will accept Hop Limit settings from a router advertisement
 net.ipv6.conf.default.accept_ra_defrtr = 0
 net.ipv6.conf.all.accept_ra_defrtr = 0