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5.PPP: Channel <ID> up Dialout Profile name: <Profile Name>
DSL Log Messages (most common):
This log message is generated when a PPP channel comes up.
6. | This log message is generated when a PPP channel goes down. The |
Instance> down: | reason for the channel going down is displayed as well. |
<Reason> |
|
Access-related Log Messages
1.permitted: This
2.attempt:This
3.dropped - violation This
of security policy: router or destined to the router itself, is dropped by the firewall
because it violates the expected conditions.
4.dropped - invalid This
checksum:router or destined to the router itself, is dropped because of invalid IP
checksum.
5.dropped - invalid This
data length:router or destined to the router itself, is dropped because the IP length
| is greater than the received packet length or if the length is too small |
| for an IP packet. |
6. dropped - frag- | This |
mented packet: | router, is dropped because it is fragmented, stateful inspection is |
| turned ON on the packet's transmit or receive interface, and deny- |
| fragment option is enabled. |
7.dropped - cannot This
fragment: | router is dropped because the packet cannot be sent without frag- |
| mentation, but the do not fragment bit is set. |
8.dropped - no route This
found: | router or destined to the router itself, is dropped because no route is |
| found to forward the packet. |
9.dropped - invalid IP This
version: | router or destined to the router itself, is dropped because the IP ver- |
| sion is not 4. |
10.dropped - possi- This
ble land attack: router or destined to the router itself, is dropped because the packet is
TCP/UDP packet and source IP Address and source port equals the destination IP Address and destination port.
11.TCP SYN flood This
detected: | the router's management interface is dropped because the number of |
| |
| able connections in the router. |
12.Telnet receive DoS This
attack - packets | the router's telnet management interface are dropped due to over- |
dropped: | whelming receive data. |