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fail2ban

  1. J

    Issue Cant activate Fail2Ban

    Hi all, I'm tring to activate the Fail2Ban module, i enable the option and then click apply. But in new page it's stil deactivated. I removed and installed it again but no changes. Is there any known issue? I'm using: OS ‪CentOS Linux 7.7.1908 (Core)‬ Product Plesk Obsidian last version
  2. learning_curve

    Resolved Fail2Ban IPv6 banning in Obsidian. Correct Plesk Configuration?

    IPv6 banning within Fail2Ban has been supported in Obsidian since way back HERE but like many people, we didn't upgrade from Onyx, until Obsidian attained General Release status, so we're a little slow posting this question. Now, with an up to date Obsidian install, we have Fail2Ban 10.3.1...
  3. Stuart De Usoz

    Resolved Fail2Ban Install via Plesk has hung

    This is a brand new VPS, I went with the Ubuntu 18.04 via Ionos (usually opted for Centos 7 but trying out Ubuntu). I went through the Tools&Settings/Upgrade/Update Comonents install fail2ban but it hung up. Fail2Ban is not appearing in my Plesk>Apps so it appears it did NOT install yet. Any...
  4. UnS3eN

    Resolved fail2ban timeout when starting jails

    Hi guys, Having trouble loading more that 2 jails - fail2ban times out when starting. There are just too many logs to read. I need to increase the TimeoutStartSec value, but I can't find where this should go. As per Fail2Ban hangs on start: Action already exists or fail2ban.service start...
  5. S

    Question Fail 2 Ban with Plesk

    Hello, i would like to use Fail 2 Ban on Plesk Onyx Version 17.8.11 Update #64 CentOS Linux 7.6.1810 (Core)‬ and would like to know, before activating if - The Hosted Wordpress Domains are using Cloudflare, do I have to exclude Cloudflare IPs under Trusted Ips? - All Jails can be turned on...
  6. D

    Issue Installation of ModSecurity and Fail2ban not possible

    Hi there, I try to install the extensions ModSecurity and Fail2ban in Plesk via the Advisor. Unfortunately I get an error after a few seconds - ERR_TIMED_OUT. I activated port 8447 in the firewall. What could be the problem? Thanks, David
  7. cmak.fr

    Resolved fail2ban postfix & plesk_saslauthd

    Hi all My maillog shows several failed mail authentication attempts. Fail2ban is configured from Pesk Onyx webui Defaults jails have simply lowered maxretry values and increased ban periods. Regarding to the config files and the logs, i cant figure out why Fail2ban does not ban an attacker...
  8. C

    Issue Fail2ban does not block IPs Couldn t load target

    Here's my error. Plesk Onyx 17.8.11 Update #49 fail2ban.action [10650]: ERROR iptables -w -n -L INPUT | grep -q 'f2b-apache[ \t]' -- stdout: '' fail2ban.action [10650]: ERROR iptables -w -n -L INPUT | grep -q 'f2b-apache[ \t]' -- stderr: '' fail2ban.action [10650]: ERROR iptables -w -n -L INPUT...
  9. learning_curve

    Input Backport Fail2Ban IPv6 Support to Plesk Onyx 17.x

    Currently, Fail2Ban with IPv4 and IPv6 is and will only be provided when using Plesk Onyx 17.9.* There's lots of form posts already on this subject, but if you use Plesk Onyx 17.5.3 and/or Plesk Onyx 17.8.11 then please vote for this functionality to be backported to these releases TODAY. Go...
  10. O

    Question How to fine-tune Fail2Ban? (filters, jails, settings, Nginx, blocklists, badips sync, IPv6)

    Dear fellow Pleskians, Following quite a few hours of reading posts on this forum, and the Plesk docs (Protection Against Brute Force Attacks (Fail2Ban)), and a few interesting technical chats with more experienced people, I've significantly reduced the no of IPs hammering my server. Now I...
  11. learning_curve

    Question Overdue Plesk Updates...

    Our own experience with Plesk is very good so far :) This forum is great and if/when you use the Direct Support provided by Plesk, that's extremely efficient too. However... some Plesk updates are well overdue now and there doesn't apppear to be any factual answers, from anywhere at Plesk other...
  12. Jllynch

    Question Running both OSSEC and fail2ban

    We have always run OSSEC. I see Plesks implementation of fail2ban seems to have rules specific to Plesk. Would we run into issues with running both these programs at the same time? We are also running CSF firewall with LFD. Are there Plesk rules for OSSEC somewhere or can we setup fail2ban just...
  13. D

    Question Fail2ban emails with logs

    I am new to fail2ban I just migrated from Cpanel/CSF/LFD to Plesk/fail2ban. I need to get Fail2ban to start sending me emails with logs/hitblocks and whois, I have the below action config from Plesk, but not able to make it send me logs or block hits for that IP. Can you someone help...
  14. H

    Resolved Fail2ban - dovecot blocking my own mail

    Dear friends, I have installed Fail2ban and I am testing jails so I have made almost all jails active, I have also changed the ssh port. I have noticed that dovecot has blocked our company ip so people were not able to work on their own mail clients form their computers. Shall I switch dovecot...
  15. D

    Question Huge attack on Mailbox

    Hi, on one of our SSD Servers, there was some Spam sending Problem last Week ago. The Client had some Viruses on PC and Spammer logged in with Password on that Client Mailbox. After we changed the Password, this Botnet permanently ran against this Mailbox and after 36 hours it looked like he...
  16. C

    Question How can I use the 'Plesk Firewall' and 'Fail2Ban' Extensions, when I have a Dynamic IP Address?

    Recently, I decided to install the Plesk Extension: 'Plesk Firewall'. Upon installation, I set the Global Policy to deny all incoming connections. I then created the overriding rule to accept connections from my IP address. Initially, this worked fine. Anyone not coming from my IP...
  17. gennolo

    Question Fail2ban - How to whilelist domain names

    Hello, last night I noticed that fail2ban banned some GoogleBot IPs (66.249.69.xx) because of the recidive jail. Maybe Google spiders pointed to some client-denied link and fail2ban triggered the jail. How can I whitelist the whole google.com / googlebot.com domains from Plesk ? I see I can...
  18. MSZ

    Question AbuseIPDB with Fail2Ban

    Hi, I would like to integrate AbuseIPDB with Fail2Ban. My server is running Plesk Onyx Version 17.8.11 Update #14 on CentOS Linux 7.5.1804. The Fail2Ban version on this is v0.9.6... The required version to integrate Fail2Ban with AbuseIPDB is v0.10.0 (January 2017). See also: Integrating...
  19. futureweb

    Input fail2ban - Add Details (Login Name)

    Hey there, often large Companies with lot's of Workstation are getting blocked because 1 Client in their Office is trying to log in with wrong Password (imap/pop/smtp) - then the whole Office of them is getting blocked and the search which PC/which User is causing the block.starts ... It would...
  20. T

    Issue Fail2Ban is not banning IP addresses properly

    OS: ‪CentOS Linux 7.4.1708 (Core)‬ Product: Plesk Onyx 17.5.3 Update #44 Hi, I logged in to my server today as root there was a message "There were 4524 failed login attempts since the last successful login." Fail2Ban jails are all enabled and green. There is only one IP address banned in...
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