Qtech QSW-2910-09T-POE-AC/DC [175/212] Anti dos attack

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175

mailalarm logging level level

no mailalarm logging level

When the level of syslog information is lower than the configured value, the syslog information

will be encapsulated to the mail and sent to the specified mail box.

Example:

!Configure the syslog level of sending mail alarm to be 4

QTECH#mailalarm logging level 4

13.12 Anti-DOS Attack

13.12.1 IP segment anti-attack

The IP segment packet number which can be received by system do not occupy resources of

all receiving packets, which can normally handle other non-segment packets when receiving IP

segment attack and the range of IP segment receiving number can be configured. 0 means

system will not handle IP segment packet so that system can avoid the influence on segment

attack.

 Configure it in global configuration mode

anti-dos ip fragment maxnum

 Display related information

show anti-dos

13.12.2 Enable/disable global TTL

System can enable or disable receiving the packet with TTL=0.

 Configure it in global configuration mode

anti-dos ip ttl

 Display corresponded information

show anti-dos