Re: [Fail2ban-users] Postfix: running a script on authentication failure

2023-06-22 Thread Gary R. Schmidt
On 22/06/2023 23:01, fail2ban-users-requ...@lists.sourceforge.net wrote: > I just set-up a new server, running postfix, with submission(s) activated on standard ports (587, 465) First of all, have you activated postscreen, and configured it to query SPAMCop &c? Postscreen is part of the pos

Re: [Fail2ban-users] Protect Postfix using Fail2ban: quick question (Nicolas Kovacs)

2021-05-16 Thread Gary R. Schmidt
On 16/05/2021 10:55, Nicolas Kovacs wrote: > Hi, > > One of my mail servers is running Oracle Linux 7 (a RHEL clone like CentOS). > These last days it's been under heavy attack, and Postfix was brought to its > knees a few times. Are you running "postcreen" to help Postfix? It's part of Postf

[Fail2ban-users] Use of rolling /24 addresses

2020-06-16 Thread Gary R. Schmidt
Has anyone else noticed the use of rolling /24 IP addresses to avoid fail2ban being triggered? In reviewing my logs I noticed that I was getting a bunch of attempts from 5.188.211.{14,15,16,17,...}, spread out over a long enough interval that fail2ban did not see them as a bad actor. Has a

Re: [Fail2ban-users] need help with filterd/postfix.conf (Doug Preston)

2020-05-16 Thread Gary R. Schmidt
On 16/05/2020 23:29, Doug Preston via Fail2ban-users wrote: [SNIP] > Yea I tried it, it didn't find the lost connection after EHLO from > unknown, > > I will keep trying to get it figured out. I mean I could just add > them manually but I prefer using fail2ban and not have to manally add > them

Re: [Fail2ban-users] ftp on Solaris 10

2016-02-01 Thread Gary R. Schmidt
> Has anyone got Fail2Ban (0.9.3) working for FTP on Solaris 10? > > I believe the 'default' ftp was made to look like wu-ftpd, but it > runs as an (inet) service, not a daemon. I see a wuftpd.conf file in > filter.d - perhaps one could be built using that as a template? > > I'm thinking myself in

Re: [Fail2ban-users] Fail2ban and postfix with postscreen (Techswing33

2015-01-18 Thread Gary R. Schmidt
Hi, > > Is anyone running fail2ban with the postfix jail and postscreen? When > I run fail2ban and postfix taking out the postfix postscreen > component > it works fine, this is on an f21 system with FirewallD. The issue is > when postscreen is brought in to the picture, the blocking no longer > w