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Page 216 / 240 Scroll up to view Page 211 - 215
ProSafe VPN Firewall 200 FVX538 Reference Manual
C-10
System Logs and Error Messages
v1.0, March 2009
FTP Logging
Invalid Packet Logging
Explanation
•
This packet (Broadcast) is destined to the device from the WAN network.
•
For other parameters, refer to
Table C-1
.
Recommended Action
None
Table C-17. System Logs: FTP
Message
Feb 2007 22 14:46:56 [FVX538] [kernel] [FTP-ACTIVE] SRC=192.168.10.211
DST=192.168.1.97 PROTO=TCP SPT=1983 DPT=21
Feb 2007 22 14:46:56 [FVX538] [kernel] [FTP-PASSIVE] SRC=192.168.10.211
DST=192.168.1.97 PROTO=TCP SPT=1984 DPT=21
Feb 2007 22 19:48:17 [FVX538] [kernel] [FTP-DATA][ACCEPT]
SRC=192.168.10.10 DST=192.168.20.10 PROTO=TCP SPT=54879
DPT=6459
Explanation
•
These packets are active and passive FTP session data transfers
respectively.
•
For other parameters, refer to
Table C-1
.
Recommended Action
To enable these logs, from CLI command prompt of the router, enter this
command:
monitor/firewallLogs/logger/loggerConfig logFtp 1
And to disable it,
monitor/firewallLogs/logger/loggerConfig logFtp 0
Table C-18. System Logs: Invalid Packets
Message
2007 Oct 1 00:44:17 [FVX538] [kernel] [INVALID]
[NO_CONNTRACK_ENTRY] [DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
No Connecrtion Tracking entry exists
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][RST_PACKET][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Table C-16. System Logs: Multicast/Broadcast
(continued)
Page 217 / 240
ProSafe VPN Firewall 200 FVX538 Reference Manual
System Logs and Error Messages
C-11
v1.0, March 2009
Explanation
Invalid RST packet
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][ICMP_TYPE][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=ICMP TYPE=19 CODE=0
Explanation
Invalid ICMP Type
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][TCP_FLAG_COMBINATION][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Invalid TCP flag combination
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][BAD_CHECKSUM]DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Bad Checksum
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][BAD_HW_CHECKSUM][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=ICMP TYPE=3 CODE=0
Explanation
Bad Hardware Checksum for ICMP packets
Table C-18. System Logs: Invalid Packets (continued)
Page 218 / 240
ProSafe VPN Firewall 200 FVX538 Reference Manual
C-12
System Logs and Error Messages
v1.0, March 2009
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
[INVALID][MALFORMED_PACKET][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Malformed packet
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][SHORT_PACKET][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Short packet
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
[INVALID][ INVALID_STATE][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Packet with Invalid State
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][REOPEN_CLOSE_CONN][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Attempt to re-open/close session
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Table C-18. System Logs: Invalid Packets (continued)
Page 219 / 240
ProSafe VPN Firewall 200 FVX538 Reference Manual
System Logs and Error Messages
C-13
v1.0, March 2009
Routing Logs
This section is used to configure the logging options for each network segment like LAN-WAN for
debugging purposes. This may generate a significant volume of log messages.
LAN to WAN Logs
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][OUT_OF_WINDOW][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Packet not in TCP window
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Message
2007 Oct 1 00:44:17 [FVX538] [kernel]
[INVALID][ERR_HELPER_ROUTINE][DROP] SRC=192.168.20.10
DST=192.168.20.2 PROTO=TCP SPT=23 DPT=54899
Explanation
Error returned from helper routine
Recommended Action
1.
Invalid packets are dropped.
2.
Use this command to enable dropping and logging of the invalid packets:
fw/rules/attackChecks/configure dropInvalid
1
To allow invalid packet and disable logging:
fw/rules/attackChecks/configure dropInvalid
0
Table C-19. Routing Logs: LAN to WAN
Message
Nov 29 09:19:43 [FVX538] [kernel] LAN2WAN[ACCEPT] IN=LAN OUT=WAN
SRC=192.168.10.10 DST=72.14.207.99 PROTO=ICMP TYPE=8 CODE=0
Explanation
•
This packet from LAN to WAN has been allowed by the firewall.
•
For other parameters, refer to
Table C-1
.
Recommended Action
None
Table C-18. System Logs: Invalid Packets (continued)
Page 220 / 240
ProSafe VPN Firewall 200 FVX538 Reference Manual
C-14
System Logs and Error Messages
v1.0, March 2009
LAN to DMZ Logs
DMZ to WAN Logs
WAN to LAN Logs
DMZ to LAN Logs
Table C-20. Routing Logs: LAN to DMZ
Message
Nov 29 09:44:06 [FVX538] [kernel] LAN2DMZ[ACCEPT] IN=LAN OUT=DMZ
SRC=192.168.10.10 DST=192.168.20.10 PROTO=ICMP TYPE=8 CODE=0
Explanation
•
This packet from LAN to DMZ has been allowed by the firewall.
•
For other parameters, refer to
Table C-1
.
Recommended Action
None
Table C-21. Routing Logs: DMZ to WAN
Message
Nov 29 09:19:43 [FVX538] [kernel] DMZ2WAN[DROP] IN=DMZ OUT=WAN
SRC=192.168.20.10 DST=72.14.207.99 PROTO=ICMP TYPE=8 CODE=0
Explanation
•
This packet from DMZ to WAN has been dropped by the firewall.
•
For other parameters, refer to
Table C-1
.
Recommended Action
None
Table C-22. Routing Logs: WAN to LAN
Message
Nov 29 10:05:15 [FVX538] [kernel] WAN2LAN[ACCEPT] IN=WAN OUT=LAN
SRC=192.168.1.214 DST=192.168.10.10 PROTO=ICMP TYPE=8 CODE=0
Explanation
•
This packet from LAN to WAN has been allowed by the firewall
•
For other parameters, refer to
Table C-1
.
Recommended Action
None
Table C-23. Routing Logs: DMZ to WAN
Message
Nov 29 09:44:06 [FVX538] [kernel] DMZ2LAN[DROP] IN=DMZ OUT=LAN
SRC=192.168.20.10 DST=192.168.10.10 PROTO=ICMP TYPE=8 CODE=0
Explanation
•
This packet from DMZ to LAN has been dropped by the firewall.
•
For other parameters, refer to
Table C-1
.
Recommended Action
None

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