similar to: fail2ban behavior

Hello, fail2ban does not ban offending IP. NOTICE[29784] chan_sip.c: Registration from '"user3"<sip:1005 at asterisk-ip:5060>' failed for 'offending-IP:53417' - Wrong password NOTICE[29784] chan_sip.c: Registration from '"user3"<sip:1005 at asterisk-ip:5060>' failed for ?offending-IP:53911' - Wrong password systemctl status

If this is a small site, I recommend you download the free version of SecAst (www.telium.ca <http://www.telium.ca> ) and replace fail2ban. SecAst does NOT use the log file, or regexes, to match etc.instead it talks to Asterisk through the AMI to extract security information. Messing with regexes is a losing battle, and the lag in reading logs can allow an attacker 100+ registration

For dovecot 2.1 as per wiki2, is this still valid? noticed a problem before and saw it does seem to be triggering, I use: maxretry = 6 findtime = 600 bantime = 3600 and there was like, 2400 hits in 4 minutes, it is pointing to the correct log file, but I am no expert with fail2ban, so not sure if the log format of today is compatible with the wiki2 entry filter.d/dovecot.conf [Definition]

> On 26 Jul 2017, at 7:57 pm, Olaf Hopp <Olaf.Hopp at kit.edu> wrote: > > Dear collegues, > > many thanks for your valuable input. > > Since we are an university GEO-IP blocking is not an option for us. > Somestimes I think it should ;-) > > My "mistake" was that I had just *one* fail2ban filter for both cases: > "wrong password" and

Hi! I have a server running CentOS 7.7 (1908) with all current patches installed. I think this server should be a quite standard installation with no specialities On this server I have fail2ban with an apache and openvpn configuration. I'm using firewalld to manage the firewall rules. Fail2an is configured to use firewalld: [root at server ~]# ll /etc/fail2ban/jail.d/ insgesamt 12

On Mon, December 18, 2017 3:06 am, Alex JOST wrote: > Did you enable the dovecot service in fail2ban? By default all jails are > disabled. > > /etc/fail2ban/jail.conf: > [dovecot] > enabled = true Alex, thanks no, not in jail.conf, I've put it in the (1) /etc/fail2ban/jail.local I've also added postfix, that seems to work: I've made test failed dovecot and

Hi to all, @Olaf Hopp I've this filter enabled for fail2ban, my question is: could my filters overlap or interfere with those suggested by you? this is my filter: Contents of /etc/fail2ban/jail.conf: [postfix] # Ban for 10 minutes if it fails 6 times within 10 minutes enabled = true port = smtp,ssmtp filter = postfix logpath = /var/log/mail.log maxretry = 6 bantime = 600

On Friday 19 April 2019 16:15:32 Kenneth Porter wrote: > On 4/19/2019 5:30 AM, Gary Stainburn wrote: > > I've followed one of the pages on line specifically for installing fail2ban on > > Centos 7 and all looks fine. > > Which page? It would help to see what they advised. > On Friday 19 April 2019 16:15:32 Kenneth Porter wrote: > On 4/19/2019 5:30 AM, Gary Stainburn

I'm trying to setup and test fail2ban with dovecot I've installed fail2ban, I've copied config from https://wiki2.dovecot.org/HowTo/Fail2Ban, and, trying to test it, attempted multiple mail access with wrong password, but, get this: # fail2ban-client status dovecot-pop3imap Status for the jail: dovecot-pop3imap |- Filter | |- Currently failed: 0 | |- Total failed: 0 | `- File

From: bounces at isc.sans.edu To: sbradcpa at pacbell.net <sbradcpa at pacbell.net> Novel method for slowing down Locky on Samba server using fail2ban https://isc.sans.edu/diary.html?n&storyid=20805 http://www.heise.de/security/artikel/Erpressungs-Trojaner-wie-Locky-aussperren-3120956.html Google Translate version of above: If you teach the Samba server to monitor and write Rename

On Monday 29 April 2019 02:21:05 Gordon Messmer wrote: > That's one approach.? I believe that you could modify fewer files by > setting "port = 0:65535" in your definition in "jail.local" and not > install firewallcmd-ipset.local. I have just tried this, and re-started fail2ban. It does not seem to have worked. I have looked at /var/log/exim/main.log and found

Tonight I added fail2ban to one of my webservers to test it out. Here is my step by step, as best as I could figure it out...documentation a bit sketchy. feel free to add anything to it or suggest changes. I tried to set it up to deal with ssh, http authentication, dovecot, ftp, and postfix I could find no working example for centos 6 and there is no fail2ban book available to peruse. So,

Is anyone using asterisk with fail2ban? I have it working except it takes way more break-in attempts than what is set in "maxretry" in jail.conf For example, I get an email saying: "The IP 199.204.45.19 has just been banned by Fail2Ban after 181 attempts against ASTERISK." when "maxretry = 5" in jail.conf Perhaps someone else is experiencing this or has resolved it,

Hello List, with CentOS 7.2 it is not longer possible to run fail2ban on a Server ? I install a new CentOS 7.2 and the EPEL directory yum install fail2ban I don't change anything only I create a jail.local to enable the Filters [sshd] enabled = true .... ..... When I start afterward fail2ban systemctl status fail2ban is clean But systemctl status firewalld is broken ? firewalld.service -

I've got an up-to-date Centos 5.8 and can't seem to get fail2ban to get rid of troublesome sshd login attempts. /etc/fail2ban/jail.conf has these sections: [ssh] enabled = true port = ssh filter = sshd logpath = /var/log/auth.log maxretry = 6 # Generic filter for pam. Has to be used with action which bans all ports # such as iptables-allports, shorewall [pam-generic] enabled =

Hello list. I have a question for fail2ban for bad logins on sasl. I use sasl, sendmail and cyrus-imapd. In jail.conf I use the following syntax: [sasl-iptables] enabled = true filter = sasl backend = polling action = iptables[name=sasl, port=smtp, protocol=tcp] sendmail-whois[name=sasl, dest=my at email] logpath = /var/log/maillog maxretry = 6 and the following filter:

On Mon, March 9, 2015 13:11, John Plemons wrote: > Been working on fail2ban, and trying to make it work with plain Jane > install of Centos 7 > > Machine is a HP running 2 Quad core Xeons, 16 gig or ram and 1 plus TB > of disk space. Very generic and vanilla. > > Current available epel repo version is fail2ban-0.9.1 > > Looking at the log file, fail2ban starts and stops

Been working on fail2ban, and trying to make it work with plain Jane install of Centos 7 Machine is a HP running 2 Quad core Xeons, 16 gig or ram and 1 plus TB of disk space. Very generic and vanilla. Current available epel repo version is fail2ban-0.9.1 Looking at the log file, fail2ban starts and stops fine, there isn't output though showing any login attempts being restricted.

I'm trying to set up fail2ban with dovecot, I have it working on 'old' server Centos 6, but, not getting anywhere with 'new' server on Centos 7 using standard filters I've copied same 'filter' to new server, still get nothing any idea how to figure this out ? on old server, it logs to syslog/messages CentOS release 6.10 (Final) dovecot 2.3.10.1 (a3d0e1171) old #

Hi folks, "somehow" similar to the thread "under some kind oof attack" started by "MJ": I have dovecot shielded by fail2ban which works fine. But since a few days I see many many IPs per day knocking on my doors with wron password and/or users. But the rate at which they are knocking is very very low. So fail2ban will never catch them. For example one IP: Jul 25