diff --git a/scripts/vm/hypervisor/xenserver/vmops b/scripts/vm/hypervisor/xenserver/vmops
index f5b23d14507..6ed12ca14f4 100755
--- a/scripts/vm/hypervisor/xenserver/vmops
+++ b/scripts/vm/hypervisor/xenserver/vmops
@@ -786,12 +786,7 @@ def default_network_rules(session, args):
     try:
         for v in vifs:
             util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain_default])
-            util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
-        util.pread2(['iptables', '-A', vmchain_default, '-m', 'state', '--state', 'RELATED,ESTABLISHED', '-j', 'ACCEPT'])
-        #allow dhcp
-        for v in vifs:
-            util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-p', 'udp', '--dport', '67', '--sport', '68',  '-j', 'ACCEPT'])
-            util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-p', 'udp', '--dport', '68', '--sport', '67',  '-j', 'ACCEPT'])
+            util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '4', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
 
         #don't let vm spoof its ip address
         for v in vifs:
@@ -894,7 +889,7 @@ def network_rules_for_rebooted_vm(session, vmName):
 
     for v in vifs:
         util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain_default])
-        util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
+        util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '4', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
 
     #change antispoof rule in vmchain
     try: