detect: Recognize ERSPAN Type I packets #4475
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| Packet *tp = PacketTunnelPktSetup(tv, dtv, p, pkt + header_len, | ||
| len - header_len, DECODE_TUNNEL_ERSPAN, pq); | ||
| Packet *tp = PacketTunnelPktSetup(tv, dtv, p, pkt + header_len, len - header_len, | ||
| p->greh->version == 0 ? DECODE_TUNNEL_ERSPANI : DECODE_TUNNEL_ERSPANII, pq); |
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minor: this should use GRE_GET_VERSION(p->greh) instead... however
major: I doubt this version use is suitable. I have a (private) pcap that has version == 0 and type II ERSPAN.
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Continued in #4510 |
This was referenced Mar 3, 2020
This was referenced Mar 22, 2020
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This PR adds support for ERSPAN Type I packets.
Continuation of #4466
This document and wireshark were used as a reference for this work.
Link to redmine ticket:3422
Describe changes:
Suricata-verify pr 169