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Ignore DNS request connection from kernel

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Daniel
2023-08-19 13:59:44 +02:00
parent de61241847
commit cc752f8e18
1 changed files with 3 additions and 2 deletions
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5
network/dns.go
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@@ -54,8 +54,9 @@ func getDNSRequestConnectionKey(packetInfo *packet.Info) (id string, ok bool) {
// SaveDNSRequestConnection saves a dns request connection for later retrieval.
func SaveDNSRequestConnection(conn *Connection, pkt packet.Packet) {
// Check connection.
if conn.PID == process.UndefinedProcessID {
log.Tracer(pkt.Ctx()).Tracef("network: not saving dns request connection because the PID is undefined")
if conn.PID == process.UndefinedProcessID || conn.PID == process.SystemProcessID {
// When re-injecting packets on Windows, they are reported with kernel PID (4).
log.Tracer(pkt.Ctx()).Tracef("network: not saving dns request connection because the PID is undefined/kernel")
return
}