2016年10月19日星期三

ASA日志量太多的解决办法

ASA日志量太多的解决办法

asa的用途是在公司连接百兆的光纤上网,但是每天都会有大量的日志,
而且那些日志一点用处都没有,可以通过以下命令去禁止无用的日志输出到syslog服务器
asa如果没有过滤的话一个月会生成1000多w的日志,太大了

XYJ-ASA5512-B(config)# show logging message 106001
syslog 106001: default-level critical (enabled)
XYJ-ASA5512-B(config)# no logg
XYJ-ASA5512-B(config)# no logging me
XYJ-ASA5512-B(config)# no logging message 106001
XYJ-ASA5512-B(config)# no logging message 106006
XYJ-ASA5512-B(config)# no logging message 106014
XYJ-ASA5512-B(config)# no logging message 106023
XYJ-ASA5512-B(config)# no logging message 500004
XYJ-ASA5512-B(config)# no logging message 410001
XYJ-ASA5512-B(config)# no logging message 733100
XYJ-ASA5512-B(config)# no logging message 106007
Oct 19 2016 15:10:02: %ASA-5-111008: User 'enable_15' executed the 'no logging message 106001' command.
Oct 19 2016 16:38:56: %ASA-5-111008: User 'enable_15' executed the 'no logging message 733100' command. 
我是用logAnalyzer去收集日志的,以下是删除一些无用日志的sql语句。
delete from SystemEvents where Message like '%Inbound TCP%' and Syslogtag = '%ASA-2-106001:';
delete from SystemEvents where Message like '%Inbound TCP%' and Syslogtag = '%ASA-2-106001:';
delete from SystemEvents where Message like '%inbound UDP%' and Syslogtag = '%ASA-2-106006:';
delete from SystemEvents where Message like '%inbound icmp%' and Syslogtag = '%ASA-3-106014:';
delete from SystemEvents where Message like '%Deny udp src%' and Syslogtag = '%ASA-4-106023:';
delete from SystemEvents where Message like '%Deny icmp src%' and Syslogtag = '%ASA-4-106023:';
delete from SystemEvents where Message like '%Invalid transport field%' and Syslogtag = '%ASA-4-500004:';
delete from SystemEvents where Message like "%executed the 'enable'%" and Syslogtag = '%ASA-5-111008:';
delete from SystemEvents where Message like '%executed the \'enable\'%' and Syslogtag = '%ASA-5-111008:';
delete from SystemEvents where Message like '%Dropped UDP DNS%' and Syslogtag = '%ASA-4-410001:';
delete from SystemEvents where Message like '%User priv level changed%' and Syslogtag = '%ASA-5-502103:';
delete from SystemEvents where Message like '%User logged out: Uname: admin%' and Syslogtag = '%ASA-5-611103:';
delete from SystemEvents where Message like '%Received encrypted packet with no matching SA%' and Syslogtag = '%ASA-5-713904:';
delete from SystemEvents where Message like '%Current burst%' and Syslogtag = '%ASA-4-733100:';
delete from SystemEvents where Message like '%TCP access denied by ACL%' and Syslogtag = '%ASA-3-710003:';
delete from SystemEvents where Message like '%Duplicate TCP SYN from%' and Syslogtag = '%ASA-4-419002:';
delete from SystemEvents where Message like '%Deny inbound UDP from%' and Syslogtag = '%ASA-2-106007:';
delete from SystemEvents where Message like '%No matching connection for ICMP%' and Syslogtag = '%ASA-4-313005:';
delete from SystemEvents where Message like '%Group = spoke1%' and Syslogtag = '%ASA-5-713120:';
delete from SystemEvents where Message like '%Group = spoke1%' and Syslogtag = '%ASA-5-713119:';
delete from SystemEvents where Message like '%Group = spoke1%' and Syslogtag = '%ASA-5-713049:';
delete from SystemEvents where Message like '%Group = spoke1%' and Syslogtag = '%ASA-5-713041:';
delete from SystemEvents where Message like '%Denied ICMP type=3, code=3 from%' and Syslogtag = '%ASA-3-313001:';
delete from SystemEvents where Message like '%Dropped connection for ESMTP Request%' and Syslogtag = '%ASA-4-108004:';
delete from SystemEvents where Message like '%Received Invalid Cookie message for non-existent SA%' and Syslogtag = '%ASA-4-713903:'; 
delete from SystemEvents where Message like '%tcp flow from lan%' and Syslogtag = '%ASA-4-507003:';

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