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authorgVisor bot <gvisor-bot@google.com>2020-01-23 23:01:01 +0000
committergVisor bot <gvisor-bot@google.com>2020-01-23 23:01:01 +0000
commit6d077471e9ab708625fbba3442b7b71e9d70564b (patch)
tree41a4b3012d9879e31d6dae2554bf248814cfff04 /pkg/tcpip/network
parentdecbfbc395af1840d6182aea27fc0e6cdcf4ce75 (diff)
parent3d10edc9423789342047f8fcf3b6054bb71ea392 (diff)
Merge release-20200115.0-93-g3d10edc (automated)
Diffstat (limited to 'pkg/tcpip/network')
-rw-r--r--pkg/tcpip/network/ipv4/ipv4.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go
index 0a1453b31..85512f9b2 100644
--- a/pkg/tcpip/network/ipv4/ipv4.go
+++ b/pkg/tcpip/network/ipv4/ipv4.go
@@ -353,7 +353,8 @@ func (e *endpoint) HandlePacket(r *stack.Route, pkt tcpip.PacketBuffer) {
}
pkt.NetworkHeader = headerView[:h.HeaderLength()]
- // iptables filtering.
+ // iptables filtering. All packets that reach here are intended for
+ // this machine and will not be forwarded.
ipt := e.stack.IPTables()
if ok := ipt.Check(iptables.Input, pkt); !ok {
// iptables is telling us to drop the packet.