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-rw-r--r--vnet/etc/scripts/urpf86
1 files changed, 86 insertions, 0 deletions
diff --git a/vnet/etc/scripts/urpf b/vnet/etc/scripts/urpf
new file mode 100644
index 00000000..a4d87527
--- /dev/null
+++ b/vnet/etc/scripts/urpf
@@ -0,0 +1,86 @@
+
+create loop int
+
+set int state loop0 up
+set int ip addr loop0 10.10.10.10/24
+
+packet-generator new {
+ name transit-deny
+ limit 1
+ node ip4-input
+ size 64-64
+ no-recycle
+ data {
+ UDP: 1.2.3.4 -> 2.2.2.2
+ UDP: 3000 -> 3001
+ length 128 checksum 0 incrementing 1
+ }
+}
+
+packet-generator new {
+ name transit-allow
+ limit 1
+ node ip4-input
+ size 64-64
+ no-recycle
+ data {
+ UDP: 1.1.1.1 -> 2.2.2.2
+ UDP: 3000 -> 3001
+ length 128 checksum 0 incrementing 1
+ }
+}
+
+packet-generator new {
+ name transit-allow-from-excemption
+ limit 1
+ node ip4-input
+ size 64-64
+ no-recycle
+ data {
+ UDP: 11.11.12.13 -> 2.2.2.2
+ UDP: 6000 -> 6001
+ length 128 checksum 0 incrementing 1
+ }
+}
+
+packet-generator new {
+ name for-us-allow-from-excemption
+ limit 1
+ node ip4-input
+ size 64-64
+ no-recycle
+ data {
+ UDP: 11.11.12.13 -> 10.10.10.10
+ UDP: 6000 -> 6001
+ length 128 checksum 0 incrementing 1
+ }
+}
+
+packet-generator new {
+ name for-us-allow
+ limit 1
+ node ip4-input
+ size 64-64
+ no-recycle
+ data {
+ UDP: 1.1.1.1 -> 10.10.10.10
+ UDP: 3000 -> 3001
+ length 128 checksum 0 incrementing 1
+ }
+}
+
+tr add pg-input 100
+
+set int ip addr pg0 10.10.11.10/24
+
+set interface ip source-check pg0 strict
+
+ip route add 1.1.1.1/32 via 10.10.11.11 pg0
+ip route add 2.2.2.2/32 via 10.10.10.11 loop0
+
+ip urpf-accept 11.11.0.0/16
+
+#set interface ip source-check pg0 strict del
+#set interface ip source-check pg0 loose
+
+#ip urpf-accept del 11.11.0.0/16