Le 2/13/23 à 3:16 PM, Simon Matter a écrit :
Hi Yassine,
Isn't it possible that all the requests you see are coming in over the
already established TCP connection? I guess only new connections will then
be blocked.
Thank you Simon for your answer.
It could have been,
yes.
Apache logs show that the IP stopped trying at 09:57,
but tried again at 14:11.
This is really weired.
Check the grep output below :
[code]
root@messagerie-principale[10.10.10.19] ~ # for file in /var/log/apache2/*; do
grep -H 162.241.181.215 $file | tail -1; done
---> /var/log/apache2/mail.radioalgerie.dz.access.1:162.241.181.215 - - [13/Feb/2023:09:57:05 +0100] "GET
/wp-login.php.bak HTTP/1.1" 404 5082 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/41.0.2224.3 Safari/537.36" <---
/var/log/apache2/mail.radioalgerie.dz.error.1:[Mon Feb 13 08:55:12.770692 2023]
[:error] [pid 1508] [client 162.241.181.215:36254] script
'/var/www/roundcubemail-1.2.4/login.php' not found or unable to stat
---> /var/log/apache2/roundcube.access.1:162.241.181.215 - - [13/Feb/2023:14:11:11 +0100] "GET
/jwt/private.pem HTTP/1.1" 301 580 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36" <---
/var/log/apache2/roundcube.error.1:[Mon Feb 13 08:56:03.854510 2023] [:error]
[pid 1513] [client 162.241.181.215:45126] script
'/var/www/roundcubemail-1.2.4/login.php' not found or unable to stat
root@messagerie-principale[10.10.10.19] ~ #
[/code]
I remember that I once used this tool
https://directory.fsf.org/wiki/Cutter to terminate established connections
in such a situation.
Great!
Another tool to add to my toolbox,
this is really useful.
Thanks a lot!
By the way,
the dynamic chain stats for the particular IP have significantly augmented
since yesterday,
to it seems the ban is in place
[code]
root@messagerie-principale[10.10.10.19] ~ # shorewall show dynamic | tail
0 0 logdrop all -- * * 212.227.15.0/24 0.0.0.0/0
0 0 reject all -- * * 104.168.34.178 0.0.0.0/0
0 0 reject all -- * * 104.168.34.177 0.0.0.0/0
11 660 reject all -- * * 105.102.42.31 0.0.0.0/0
20 1200 reject all -- * * 105.96.195.57 0.0.0.0/0
0 0 reject all -- * * 41.108.14.140 0.0.0.0/0
# * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* #
# 4223 253K logdrop all -- * * 162.241.181.215 0.0.0.0/0
#
# * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* #
1037 62220 reject all -- * * 91.103.252.239 0.0.0.0/0
181 10860 reject all -- * * 91.103.252.248 0.0.0.0/0
root@messagerie-principale[10.10.10.19] ~ #
[/code]
yesterday :
[code]
185 11100 logdrop all -- * * 162.241.181.215 0.0.0.0/0
[/code]
So the question only remains for the packet that got through at 14:11,
nearly 4 hours after the ban.
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