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maskego
Joined: 16 Apr 2010
Posts: 238
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 Posted: Sat 30 Jul '11 4:05 Post subject: ModSecurity: Lua: Script execution failed |
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I find the error log message from my logs.
| Code: | | ModSecurity: Lua: Script execution failed: attempt to call a nil value |
Should I download the Lrexlib 2.5 to resolve this issue?
Or needs to recompile mod_security 2.6.1 ? |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7294
Location: Germany, Next to Hamburg
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| Posted: Mon 01 Aug '11 20:46 Post subject: |
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| Is is a nil or a nul value? Are you using apache 2.3? |
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maskego
Joined: 16 Apr 2010
Posts: 238
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aprilgothic
Joined: 03 Aug 2011
Posts: 2
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| Posted: Wed 03 Aug '11 14:50 Post subject: |
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try this:
mkdir /opt/local
mkdir /opt/local/bin
cp -p /opt/lua/bin/* /opt/local/bin/ |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7294
Location: Germany, Next to Hamburg
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| Posted: Wed 03 Aug '11 15:20 Post subject: |
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| aprilgothic wrote: | try this:
mkdir /opt/local
mkdir /opt/local/bin
cp -p /opt/lua/bin/* /opt/local/bin/ |
He already solved this.. and by the way: this mainly a forum for apache on Windows  |
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aprilgothic
Joined: 03 Aug 2011
Posts: 2
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| Posted: Wed 03 Aug '11 16:35 Post subject: |
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| James Blond wrote: |
He already solved this.. and by the way: this mainly a forum for apache on Windows |
Oops.. sorry.  |
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maskego
Joined: 16 Apr 2010
Posts: 238
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| Posted: Thu 04 Aug '11 3:35 Post subject: |
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| Can't find the solution... |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7294
Location: Germany, Next to Hamburg
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| Posted: Thu 04 Aug '11 9:41 Post subject: |
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Ok, since you think it is mod_sec you should do a bit trial and error. Disable all rules and enable one after another. Than you will find the rule that breaks the lua script. I know this will cost some time, but at least you'll find the rule(s).
Which rules did you enable? Only the core rules? I guess you send some paramters via GET parameter to your lua script? |
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maskego
Joined: 16 Apr 2010
Posts: 238
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| Posted: Fri 05 Aug '11 6:00 Post subject: |
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It's a good idea and it's the only way to solve this issue.Thank you for your kindly reply.  |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7294
Location: Germany, Next to Hamburg
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| Posted: Mon 08 Aug '11 15:16 Post subject: |
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| Did you find the rule(s) that causes the issues? |
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maskego
Joined: 16 Apr 2010
Posts: 238
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| Posted: Tue 09 Aug '11 7:41 Post subject: |
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James:
crs_41_advanced_filters.conf
this rule causes error below:
ModSecurity: Lua: Script execution failed: attempt to call a nil value
| James Blond wrote: | | Did you find the rule(s) that causes the issues? |
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