Hello All,
I have recently returned to F2B after a long absence, and my Linux
skills (and, in particular my F2B regex skills) have faded.
My web server frequently gets hammered with scripkiddie attacks. A very
typical entry in the httpd/access_log would look like this:
80.13.134.108 - - [16/May/2018:08:19:46 +0100] "GET /admin/pma/index.php
HTTP/1.1" 404 217 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:46 +0100] "GET /admin/PMA/index.php
HTTP/1.1" 404 217 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET /admin/mysql/index.php
HTTP/1.1" 404 219 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET /admin/mysql2/index.php
HTTP/1.1" 404 220 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET /pma/index.php HTTP/1.1"
404 211 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET /PMA/index.php HTTP/1.1"
404 211 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET /admin/phpmyadmin/index.php
HTTP/1.1" 404 224 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET /admin/phpMyAdmin/index.php
HTTP/1.1" 404 224 "-" "Mozilla/5.0"
80.13.134.108 - - [16/May/2018:08:19:47 +0100] "GET
/admin/phpmyadmin2/index.php HTTP/1.1" 404 225 "-" "Mozilla/5.0"
(and so on... Usually about 20-30 similar lines)
In attempting to keep these idiots out of my logs I have have tried to use a
F2B jail.
The filter I have created is:
[Definition]
failregex = ^<HOST>.*'[a|A]dmin.*40[3|4]'
Note: I know that not all the entries above contain "admin" (and that
it is a rather crude way of doing this), but all the attacts do have
several lines in them that *do* contain the word admin.
The jail I have created is:
[scriptkiddies]
enabled = true
port = http,https
filter = scriptkiddies
action = iptables[name=Scriptkiddies, port=http, protocol=tcp]
sendmail-whois[name=Scriptkiddies, dest=root,
[email protected]]
logpath = /var/log/httpd/access_log
bantime = 3600 # Until Hell freezes over if I could
findtime = 600
maxretry = 5
However -
This does not work. What have I done wrong?
Any help gratefully accepted.
Mark
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