security - SQL injection and web log files -

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i need kow how sql injection recorded in log file. in other words need example of web log file entry contains sql injection. question please: log file recorded first or query executed @ database first? thanks

in logs ; search single quote(') or %27. basic sql injection attack check when attacker checks if server vulnerable.

in depth, search ' or 1=1-- (or) @ end of querystring find appended (and 1=0-- or and 1=1--). blind sql injection attack test.


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