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"dos-xxx.xxx.xxx.xxx" file being written to \temp

 
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AlanH



Joined: 05 Aug 2018
Posts: 6

PostPosted: Wed 05 Sep '18 3:40    Post subject: "dos-xxx.xxx.xxx.xxx" file being written to \temp Reply with quote

Running Apache 2.4 on Windows 2016, have mod security with crs enabled. I noticed a file named "dos-" followed by my own ip address with current date/time. The contents of that file are:
Code:
Tue Sep 04 21:15:15 2018
PID: 5672
blacklisting address xxx.xxx.xxx.xxx: possible DoS attack.

I was accessing the server via a web browser (and had some php bugs to correct). I suspect something flagged my PHP issues as potentially malicious.

Does anyone know what program / module writes that file? I don't see any entry in Apache "errors", "access" and "modsec_audit" log files. I'd really like to know what parameters it uses to create this file and other actions it might take.
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glsmith
Moderator


Joined: 16 Oct 2007
Posts: 2196
Location: Sun Diego, USA

PostPosted: Wed 05 Sep '18 4:28    Post subject: Reply with quote

I know mod_evasive will write those
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AlanH



Joined: 05 Aug 2018
Posts: 6

PostPosted: Wed 05 Sep '18 14:14    Post subject: mod_evasive ! Reply with quote

glsmith wrote:
I know mod_evasive will write those

Thanks, that was it. I had DOSPageCount set too low, and DOSLogDir wasn't specified at all, that's why the DOS-xxx.xxx.xxx.xxx was being written to \temp.
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