Hello.
I'm trying to set up mod_evasive on a 9.3/i386 box running Apache 2.2.
The server features (among other things) the CalDAV/CardDAV protocol, so
it's quite normal clients will issue several requests in a row.
I would think these would NOT be considered the same identical request,
but I understand mod_evasive is not so smart, so I tried raising the
threshold.
Now in my config I have:
<IfModule evasive_module>
DOSHashTableSize 1024
DOSPageCount 50
DOSSiteCount 150
DOSPageInterval 2
DOSSiteInterval 2
DOSBlockingPeriod 10
</IfModule>
In spite of this (50/150 requests in 2 seconds), the clients are always
blocked after the fifth request:
10.1.2.18 - - [06/Jul/2016:10:50:54 +0200] "OPTIONS /cal.php/calendars/xxxxxx/default/ HTTP/1.1"
200 - "-" "Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
Lightning/4.7.1"
10.1.2.18 - - [06/Jul/2016:10:50:55 +0200] "PROPFIND /cal.php/calendars/xxxxxx/default/ HTTP/1.1"
207 1826 "-" "Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
Lightning/4.7.1"
10.1.2.18 - - [06/Jul/2016:10:50:55 +0200] "OPTIONS /cal.php/calendars/xxxxxx/ HTTP/1.1" 200 -
"-" "Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
Lightning/4.7.1"
10.1.2.18 - - [06/Jul/2016:10:50:55 +0200] "PROPFIND /cal.php/principals/xxxxxx/ HTTP/1.1" 207 909
"-" "Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
Lightning/4.7.1"
10.1.2.18 - - [06/Jul/2016:10:50:55 +0200] "OPTIONS /cal.php/calendars/xxxxxx/default/ HTTP/1.1"
200 - "-" "Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
Lightning/4.7.1"
[Wed Jul 06 10:50:55 2016] [error] [client 10.1.2.18] client denied by server
configuration: /usr/local/www/baikal/html/cal.php
10.1.2.18 - - [06/Jul/2016:10:50:55 +0200] "REPORT /cal.php/calendars/xxxxxx/default/ HTTP/1.1" 403
235 "-" "Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.1.0
Lightning/4.7.1"
Is it a bug?
Is mod_evasive incompatible with DAV?
Am I getting it all wrong?
bye & Thanks
av.
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