diff options
| -rw-r--r-- | src/lib/protocols/snmp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/lib/protocols/snmp.c b/src/lib/protocols/snmp.c index b4af37442..71de7589b 100644 --- a/src/lib/protocols/snmp.c +++ b/src/lib/protocols/snmp.c @@ -41,6 +41,8 @@ void ndpi_search_snmp(struct ndpi_detection_module_struct *ndpi_struct, struct n if (packet->payload_packet_len > 32 && packet->payload[0] == 0x30) { int offset; + u_int16_t u16; + switch (packet->payload[1]) { case 0x81: offset = 3; @@ -56,8 +58,10 @@ void ndpi_search_snmp(struct ndpi_detection_module_struct *ndpi_struct, struct n offset = 2; } - if (get_u_int16_t(packet->payload, offset) != htons(0x0201)) { - NDPI_LOG(NDPI_PROTOCOL_SNMP, ndpi_struct, NDPI_LOG_DEBUG, "SNMP excluded, 0x0201 pattern not found\n"); + u16 = ntohs(get_u_int16_t(packet->payload, offset)); + + if((u16 != 0x0201) && (u16 != 0x0204)) { + NDPI_LOG(NDPI_PROTOCOL_SNMP, ndpi_struct, NDPI_LOG_DEBUG, "SNMP excluded, 0x0201/0x0204 pattern not found\n"); goto excl; } |