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authorgVisor bot <gvisor-bot@google.com>2020-05-04 11:23:55 -0700
committergVisor bot <gvisor-bot@google.com>2020-05-04 11:23:55 -0700
commit711439b1c3560b916dd5ffcbf906452d1ac960b0 (patch)
treef5cbc53b348da6a7c22edc033bad6f54c29d7545 /pkg/tcpip/stack/nic.go
parentcbc5bef2a66ece1f9e63b213d4dfa616db488df8 (diff)
parentb660f16d18827f0310594c80d9387de11430f15f (diff)
Merge pull request #2275 from nybidari:iptables
PiperOrigin-RevId: 309783486
Diffstat (limited to 'pkg/tcpip/stack/nic.go')
-rw-r--r--pkg/tcpip/stack/nic.go4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go
index 7b54919bb..8f4c1fe42 100644
--- a/pkg/tcpip/stack/nic.go
+++ b/pkg/tcpip/stack/nic.go
@@ -1230,8 +1230,10 @@ func (n *NIC) DeliverNetworkPacket(linkEP LinkEndpoint, remote, local tcpip.Link
// TODO(gvisor.dev/issue/170): Not supporting iptables for IPv6 yet.
if protocol == header.IPv4ProtocolNumber {
+ // iptables filtering.
ipt := n.stack.IPTables()
- if ok := ipt.Check(Prerouting, pkt); !ok {
+ address := n.primaryAddress(protocol)
+ if ok := ipt.Check(Prerouting, &pkt, nil, nil, address.Address); !ok {
// iptables is telling us to drop the packet.
return
}