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Unusual entries in log files for non-existant js files...
#1

[eluser]Daniel H[/eluser]
I just took a look at one of the log files for a site and these entries appeared:

Code:
ERROR - 2009-09-04 00:28:53 --> 404 Page Not Found --> scriptaculous.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> swfobject_src.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> swfobject.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> ext-core.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> ext-core-debug.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> mootools.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> mootools-yui-compressed.js
ERROR - 2009-09-04 00:28:54 --> 404 Page Not Found --> jquery-ui.js
ERROR - 2009-09-04 00:28:55 --> 404 Page Not Found --> jquery-ui.min.js
ERROR - 2009-09-04 00:28:55 --> 404 Page Not Found --> prototype.js
ERROR - 2009-09-04 00:28:57 --> 404 Page Not Found --> google-analytics.com
ERROR - 2009-09-04 00:30:12 --> 404 Page Not Found --> js
ERROR - 2009-09-04 00:32:13 --> 404 Page Not Found --> uk.php
ERROR - 2009-09-04 00:33:14 --> 404 Page Not Found --> js
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> default.I.js
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> default.css
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> scriptaculous.js
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> build
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> swfobject_src.js
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> build
ERROR - 2009-09-04 00:33:57 --> 404 Page Not Found --> swfobject.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> ext-core-debug.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> mootools.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> ext-core.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> mootools-yui-compressed.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> jquery-ui.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> jquery-ui.min.js
ERROR - 2009-09-04 00:33:58 --> 404 Page Not Found --> prototype.js
ERROR - 2009-09-04 00:34:29 --> 404 Page Not Found --> google-analytics.com
ERROR - 2009-09-04 00:38:32 --> 404 Page Not Found --> js
ERROR - 2009-09-04 00:38:53 --> 404 Page Not Found --> js
ERROR - 2009-09-04 00:39:54 --> 404 Page Not Found --> uk.php
ERROR - 2009-09-04 00:43:06 --> 404 Page Not Found --> default.css
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> build
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> build
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> scriptaculous.js
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> default.I.js
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> swfobject_src.js
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> swfobject.js
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> ext-core.js
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> ext-core-debug.js
ERROR - 2009-09-04 00:43:07 --> 404 Page Not Found --> mootools.js
ERROR - 2009-09-04 00:43:08 --> 404 Page Not Found --> mootools-yui-compressed.js
ERROR - 2009-09-04 00:43:08 --> 404 Page Not Found --> jquery-ui.js
ERROR - 2009-09-04 00:43:08 --> 404 Page Not Found --> jquery-ui.min.js
ERROR - 2009-09-04 00:43:08 --> 404 Page Not Found --> prototype.js
ERROR - 2009-09-04 00:43:08 --> 404 Page Not Found --> jquery.js
ERROR - 2009-09-04 00:43:08 --> 404 Page Not Found --> dojo

It looks likes some sort of bot is trying to find a js file to presumably hack into. Is this a common occurrence and is there anything I can do to make sure common approaches to hacking are avoided? What is the best practice to prevent uses finding such files?




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