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fail2ban

  1. Alaa Mansour

    Issue Firewall IP Ban (fail2ban) Wordpress

    Hello, everybody, after I have migrated the server, fail2ban no longer ban ip addresses automatically, and put them in a list in the firewall, I have to di it manually, even though the rules of the jails are as same as previous. I can see the IP address in the list of banned ip under the jail...
  2. O

    Question Customized firewall rules and fail2ban jail

    I find the firewall rules names quite confusing. For example, the name of SMPT: SMTP (mail sending) server. Does this mean the smtp ports 25 and 465? I want to create my own custom rules and have some screenshots with settings below. Are these the correct settings? This is the image of SMTP...
  3. S

    Question I installed fail2ban but it doesn't block these attacks and ips

    I installed fail2ban but it doesn't block these attacks and ips Oct 28 19:11:11 server authpsa[487]: No such user '[email protected]' in mail authorization database Oct 28 19:11:11 server courier-imapd: LOGIN FAILED, method=PLAIN, ip=[::ffff:85.95.203.99], port=[58892] Oct 28 19:11:16 server...
  4. M

    Issue Fail2Ban authentication failure monitor and Plesk Spam Assasin stopping and starting

    Watchdog is running since Aug 10, 2021 02:17 PM. Watchdog is monitoring services: Plesk Web Server Plesk PHP Engine Web Server (Apache) SMTP Server (Postfix) Dovecot IMAP and POP3 server DNS Server (BIND) MySQL PostgreSQL Plesk SpamAssassin Plesk Postfix milter filter Web Proxy Server (Nginx)...
  5. S

    Question Fail2ban sqlite database huge

    We had a client's server run out of disk space last night. It looks like fail2ban had made several copies of its database for some reason until it ran out: -rw------- 1 root root 1232522240 May 4 09:18 fail2ban.sqlite3 -rw------- 1 root root 1232522240 May 3 21:03...
  6. P

    Resolved fail2ban postfix-sasl not working correctly

    I have enabled fail2ban and most of the jails are working properly. I have also enabled the recidive jail. Alas, I often see messages like this in /var/log/maillog: Apr 24 05:30:10 h2731888 postfix/smtpd[32272]: warning: unknown[203.159.80.233]: SASL LOGIN authentication failed: authentication...
  7. JmRy

    Question Fail2ban no ban ... ?

    Hello, I have no banned IP while many failed connection attempts on postfix. I think fail2ban is not working properly on my server. (Obsidian 18.0.34 on Debian 10) Its settings are the original ones and the Plesk jails are enabled fail2ban-client status Status |- Number of jail: 11 `-...
  8. learning_curve

    Resolved Fail2Ban Update By Plesk?

    The question has been asked before by others: Question - fail2ban update because it was last updated, prior to Obsidian being upgraded to General Release status: Change Log for Plesk Obsidian yet there's still no sign or inclination, that this well overdue update, will be arriving anytime...
  9. J

    Question Excessive fail2ban banned hosta may flood memory?

    Hello guys I'm using fail2ban in Plesk working pretty smoothly. I extended BAN period to months (instead of just some minutes), and the list of banned hosts grows as expected. At this time the list of banned hosts is about 8K, not a problem at all, for now. My question is if an excessive...
  10. I

    Question How to make plesk use Python 3 for fail2ban?

    Dear Staff team/fellow users, is it possible to start fail2ban using python3? Python 2.x has reached EOL a full year ago. I know that fail2ban supports Python 3.2+, but I can't find a setting to use that
  11. V

    Question DokuWiki gets my banned from my Plesk server

    I could observe many times in the last few weeks that everytime I click around a bit more enthusiastically in DokuWiki, a private Wiki I have set up as a subdomain in Plesk, there comes a point when the page won't load anymore and I can't reach any website anymore hosted on my Plesk server...
  12. Bitpalast

    Input Please vote for a feature to solve this for good: Email login fails with "failed auth" despite correct password from some Android, iPhone, Outlook

    Problem description: For many years and across a five digit large number of domains and customers we've seen some customers failing logins from their smartphones and sometimes from MS Outlook and Apple Mail. For many users it was a pain to configure their phones correctly. On Samsung's Android...
  13. Jllynch

    Issue Fail2ban all unbans failing

    Have just discovered that all the unbans are now failing. Errors like this: 938 fail2ban.actions [961]: ERROR Failed to execute unban jail 'recidive' action 'iptables-allports' info 'ActionInfo({'ipfailures': 12, 'ip-rev':... 985 fail2ban.actions [961]: ERROR Failed to...
  14. P

    Issue Client denied by server configuration evasive20:error

    I installed a new typo3 10lts via composer linux plesk obsidian 18.0.27 and ubuntu 16lts. When trying to access the page module, I get such errors in the error_log: ... the browser freezes and the my IP gets thrown in fail2boan. On the same server I have another test domain with the same php...
  15. WebHostingAce

    Input IP Address Banning (Fail2Ban) 'Trusted IP Addresses' has gone missing. NGINX (111: Connection refused)

    Hi, --- OS ‪CentOS Linux 7.7.1908 (Core)‬ Product Plesk Obsidian Version 18.0.24, last updated on Feb 20, 2020 01:30 AM --- Yesterday I noticed, 'Trusted IP Addresses' in Fail2Ban has gone missing and left only with 127.0.0.1/8. I always had 127.0.0.1/8, ::1/128 and the server IP...
  16. B

    Question Implement Fail2Ban banning on country basis

    I am trying to implement solution which will ban IP on country basis, i know that Juggernaut can do that but in my env that module was causing spontaneous firewall block for all traffic, so i am just searching other way to ban country based on MaxMind GeoIP databases. Does anyone have heard of...
  17. B

    Question Make recidive in fail2ban more efficient

    I want to make my recidive efficient in a way i could ban returning hackers which try to bruteforce postfix. I observe that hackers have thousands of servers over the whole world so thinking of a way to ban most of them, so maybe i could use fail2ban + geoIP and ban half of the world (but i did...
  18. B

    Issue All down with Fail2ban and iptables

    Hi. If I have activated fail2ban all services are down neither having ssh access. Desactivating fail2ban for less I will get ssh access. To get working all other services I need to desactivate the firewall and delete manualy all emtries of iptables. After reboot again I will need to delete all...
  19. 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
  20. 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...
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