Fix IP checksum computation for exports

snabbco · Jul 25, 2017 · e30dc7d · e30dc7d
1 parent b35fb6b
commit e30dc7d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/apps/netflow/v9.lua b/src/apps/netflow/v9.lua
@@ -112,6 +112,7 @@ local function construct_packet(exporter, ptr, len)
    udp_h:checksum(ptr, len)
    dgram:push(udp_h)
    ip_h:total_length(ip_h:sizeof() + udp_h:sizeof() + len)
+   ip_h:checksum()
    dgram:push(ip_h)
    dgram:push(eth_h)