Explanation of Drop code and Module-ID Values in Packet Capture Output (SonicOS Enhanced 6.1

Description

Explanation of Drop code and Module-ID Values in Packet Capture Output (SonicOS Enhanced 6.1.1.3-11n firmware)

Resolution

When viewing output on the System > Packet Monitor page, there are two fields that display potentially useful diagnostic information in numeric format. The Modue-ID field provides information on the specific area of the firewall (UTM) appliance's firmware that handled a particular packet. The Drop Code field provides a reason why the appliance dropped a particular packet. This article provides a list of the Module-ID and Drop-Code numbers along with their meanings

Please Note: The following Drop-Codes were extracted from SonicOS Enhanced 6.1.1.3 11n firmware version, however these codes may change when a new firmware isavailable. When unsure please contact SonicWall support.

Module ID and Module Name:
 
0            
1            adminTools
2            attacks
3            av
4            bwmmgmt
5            CIA
6            cli
7            clients
8            config
9            connectionCache
10          contentFilter
11          dea
12          debug
13          dhcpRelay
14          dhtml
15          fileSystem
16          fwCore
17          ha
18          idp
19          ipHelper
20          ipSec
21          lib
22          log
23          modem
24          netObj
25          network
26          packetFilter
27          policy
28          pppStack
29          RADIUS acct
30          redirector
31          reports
32          resource
33          sarc
34          servers
35          snmp
36          spdpp
37          stateful
38          system
39          TRAV2
40          TSA
41          USERS
42          version
43          wizards
44          wlan
45          wlb
46          zones
47          ARP
48          system stack
49          PPTP
50          L2TP
51          PPP-Dialup
52          IGMP
53          PPPOE
54          NAT
55          anti-spam
56          NetMonitor
57          Mirroring
58          SIP
59          BandOpt
60     
 
DROP CODES
Drop Code ID and nameDrop Code ID and name
0  
1  Unknown Ether type.
2  IPv6 packets not supported.
3  Packet on invalid vlan
4  Packet on invalid interface
5  Invalid HA packet
6  Invalid HA ARP packet
7  PPPoE discover packet not allowed
8  Invalid HA SDP packet
9  Routing packet not allowed
10  VLAN filtered.
11  Unicast MACADDR not mine
12  L2B Learning-Bridge filtered
13  Invalid NET-ID found.
14  Invalid Run-time NET data.
15  Unknown ARP type.
16  Arp reply ignored.
17  IP address not for our subnet
18  NULL source IP address
19  Own gratuitous arp
20  IP address not on our lan subnet
21  Classical mode, ARP bridge not supported
22  ARP proxy, subnet mismatch
23  Not for me.
24  Invalid TCP Flag
25  Invalid TCP Options
26  IP sanity test failed
27  Non sonicpoint traffic in wlan zone
28  Multicast spank attack
29  Multicast Data packet dropped
30  Load Balancing Probe error
31  Syn Flood Protection
32  IP source route option found
33  Invalid connection cache.
34  Unknown destination
35  Bounce traffic detected
36  Access Rule Policy not found
37  AV detection
38  DEA detection
39  Bad TFTP packets
40  Enforced firewall rule
41  LICENSE drop
42  IDP detection
43  Packet to public IP from inside firewall
44  Bad TTL
45  IP check failed
46  Bad source IP
47  Bad destination MAC address
48  Broadcast not allowed on bridge.
49  Going to blacklisted server.
50  coming from blacklisted server.
51  Broadcast traffic not handled.
52  Multicast forwarding not configured
53  Multicast IGMP state not found 
54  Multicast IP not in the allowed list
55  Anti-Spam Connection Limit Reached
56  Active/Active DPI drop offload packet
57  UDP Flood Protection
58  ICMP Flood Protection
59  Unknown Ether type
60  Incorrect IP Version
61  Blacklisted MAC address
62  Wrong IP Length
63  Packet length mismatch with interface MTU
64  Wrong fragmentation boundary.
65  Wrong IP checksum value.
66  Wrong TCP Checksum value.
67  Wrong UDP Checksum value.
68  Wrong ICMP Checksum value.
69  NULL Udp port number
70  Non PPP-GRE traffic
71  Missing ESP Header
72  Missing AH Header
73  Missing IPCOMP Header
74  Unknown IP protocol type
75  TTL value is zero.
76  l2 mcast but dest ip is unicast
77  Null Source Zone.
78  Wrong UDP Length.
79  RECV: IP pkt recvd without IPCP session
80  RECV: TNMP can't alloc contiguous buf
81  XMIT: AHDLC encap no buf
82  XMIT: TNMP can't alloc contiguous buf
83  XMIT: Device not ready to forward traffic
84  XMIT: No IPCP session
85  XMIT: No Dialup Msg Buffer available
86  Non Zero GIAddr field in DHCP packet from client
87  Source MAC is different from chAddr field in DHCP client packet
88  Iphelper policy not found for DHCP relay.
89  Iphelper cache not found for DHCP.
90  Zero NSID in Netbios request packet.
91  Iphelper policy not found for Netbios.
92  Iphelper cache not found for Netbios.
93  Zero NSID in Netbios reply packet.
94  Ingress interface is same as egress interface.
95  DHCP server packet dropped, RPF check failed.
96  Netbios packet dropped, RPF check failed.
97  Other Application packet dropped, RPF check failed.
98  Iphelper policy not found for other Application.
99  Memory Allocation Error.
100  Length Mismatch. Cant forward pkt.

101  Control message header size error.
102  Drop GRE packet as call not yet established.
103  Invalid GRE Flags or Caller ID.
104  Invalid GRE sequence number.
105  No payload for GRE packet.
106  PPTP Tunnel is not up yet.
107  PPTP Client is not enabled.
108  PPTP Spin Lock Error.
109  PPTP Flow Control Queuing Error.
110  Error copying PPTP combuf chain to continuous buffer.
111  Error fragmenting packet that is larger than PPTP MTU.
112  Enforced Dial-on-Data restriction.
113  PPPDU has not completed initialization.
114  Error fragmenting packet that is larger than PPPDU MTU.
115  PPPDU dropped packet because packet that is larger then PPPDU MTU
        and fragmentation is disabled.
116  Packet received with DF bit Set and large than MTU 
117  PPP link is not up/available.
118  The PPP buffer processing failed.
119  Received PPP pkt but there is no existing PPP information.
120  PPP Network Interface structure is NULL.
121  PPP Virtual Interface structure is NULL.
122  PPP dropped packet because it contains unknown protocol.
123  PPP dropped packet because of transmission failure.
124  PPP dropped packet because NCP is not open.
125  PPP dropped packet because the LCP code is unacceptable.
126  PPPOE packet has no payload.
127  The PPPOE buffer processing failed.
128  The PPPOE module is not yet ready.
129  The PPPOE module is not enabled.
130  The PPPOE module is not re/started with NTP packets.
131  The PPPOE module dropped the packet because it was non-IP.
132  PPPoE packet has unsupported version.
133  Received PPPoE packet for non-existent PPP session
134  PPPoE packet has an illegal session id.
135  PPPoE packet has unknown ethertype.
136  PPPoE packet is missing the service name tag.
137  PPPoE packet was not transmitted.
138  PPPoE packet dropped due to failure in adding enet header.
139  L2TP Length Mismatch
140  L2TP UDP checksum error
141  L2TP buffer corrupted
142  L2TP invalid tunnel
143  L2TP invalid session
144  L2TP Invalid source interface
145  L2TP packet not encrypted
146  L2TP Drop PPP control packet, session not established yet
147  L2TP Tunnel/Seesion Invalid 
148  L2TP invalid pkt type
149  L2TP invalid control msg
150  L2TP unsupported version

151  L2TP not enabled on this interface
152  L2TP invalid packet
153  L2TP invalid runtime data
154  L2TP connection not UP
155  L2TP memory allocation failed
156  No IPSec tunnel active for this connection ,
157  Invalid L2TP Mode ,
158  Pkt pass to stack failed
159  UDP length greater than 1500
160  IP length greater than 1500
161  Pkt authentication failed
162  SA not found on lookup by SPI after decryption 
163  SA not found on lookup by SPI after encryption
164  Failed to copy frag chain to contiguous buffer
165  Pkt with SPI less than 256
166  SA not found on lookup by SPI for inbound packet
167  Pkt length smaller than expected
168  Replayed Pkt
169  Pkt received on invalid interface
170  Expecting udp encapsulation
171  Not expecting udp encapsulation
172  Throughput regulator drop inbound pkt
173  HW processing request error for inbound pkt
174  AH auth failed
175  ESP auth failed
176  ESP decrypt failed
177  Unknown protocol
178  Nested tunnels not supported
179  Pkt is not thru tunnell
180  Pkt is not thru tunnel or l2tp transport mode
181  Pkt not destined to mgmt interface
182  Pkt from invalid peer
183  VPN access list check failure
184  Pkt does not match traffic selectors
185  Pkt fragment not allowed
186  DHCP pkt invalid IP length
187  Octeon Decrypyion Failed for inbound packet
188  Incoming packet's combuf Ip Length Error
189  Combuf Ip Ptr Null Error
190  Multicast sa not found
191  SA not found on lookup by SPI for outbound pkt
192  Incorrect src IP on mgmt SA
193  Throughput regulator drop outbound pkt
194  Insufficient command context for outbound pkt
195  HW processing request error for outbound pkt
196  Software esp decrypt processing request error
197  Software esp auth processing request error
198  Software ah auth processing request error
199  Software null sa processing request error
200  Software processing request error

201  Combuf Fragmentation error
202  Packet is large than MTU 
203  Packet received with DF bit Set and large than MTU 
204  Sequence overflow while encryting packet
205  Encption error for out going packet
206  Combuf Ip Ptr NUll Error
207  Combuf Ip Length Error
208  Next Hope ARP not Resolved
209   Multicast buffer error
210   No IGMP entry found
211   No IGMP interface entry found
212   Combuf fields mismatch iplen-enet not equal to etherhdr size
213   IGMP wrong Checksum
214   Multicast not enabled
215   IGMP state table error
216   IGMP message error
217   IGMPV3 message error
218   IGMP version not supported
219   Multicast RTP stateful failed
220  IP Spoof check failed
221  OutGoing interface not available
222  Cache pointer is NULL. NAT policy lookup cannot be performed
223  NAT policy remap failed
224  NAT policy unique remap port failed
225  NAT policy lookup failed. Cache add aborted
226  Connection cache is full
227  Get VPN tunnel interface from policy failed
228  Packet from bounced path
229  Half open ESP connection
230  Half open IPCOMP connection
231  Allocate memory for connection cache failed
232  Packet marked to be dropped on ingress
233  Packet marked to be dropped on egress
234  Packet dropped by BWM CBQ as there is no default queue
235  Packet dropped by BWM CBQ as the queue is full
236  Packet dropped by BWM ACKQ as the queue is full
237  Packet dropped by BWM ACKQ as there is no default queue
238  Packet dropped due to BWM spin lock error
239  MAC-IP Anti-spoof check enforced for hosts.
240  MAC-IP Anti-spoof cache not found for this router.
241  MAC-IP Anti-spoof cache found, but it is not a router.
242  MAC-IP Anti-spoof cache found, but it is blacklisted device.
243  Packet dropped - IDP failure on sslspy packet
244  Packet droppedd - Content filter failure on sslspy packet
245  Packet dropped - failed processing
246  Packet dropped - failed SIP pre-processing
247  Packet dropped - failed SIP post-processing
248  Packet dropped - unknown SIP method
249  Packet dropped - unknown Call-ID in method
250  Packet dropped - invalid Contact:
251  Packet dropped - invalid Call-ID:
252  Packet dropped - invalid Via:
253  Packet dropped - invalid From:
254  Packet dropped - invalid To:
255  Packet dropped - invalid RecordRoute:
256  Packet dropped - invalid Maddr:
257  Packet dropped - invalid Route:
258  Packet dropped - invalid ACK
259  Packet dropped - invalid method
260  Packet dropped - invalid ReferredBy:
261  Packet dropped - invalid ReferredTo:
262  Packet dropped - invalid BYE
263  Packet dropped - invalid CANCEL
264  Packet dropped - invalid INVITE
265  Packet dropped - invalid REGISTER
266  Packet dropped - SDP body not found
267  Packet dropped - bad SDP content length
268  Packet dropped - bad SDP c=
269  Packet dropped - bad SDP m=
270  Packet dropped - failed SDP processing
271  Packet dropped - Geo-IP block for init country
272  Packet dropped - Geo-IP block for resp country
273  Packet dropped - BOTNET block for init command and control center
274  Packet dropped - BOTNET block for resp command and control center
275  -
 

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