[CentOS] Nasty Fail2Ban update for Centos 7

Tue Dec 31 18:53:38 UTC 2019
John H Nyhuis <jnyhuis at uw.edu>

Just a random stab in the dark, but CEntOS6 was iptables, and CentOS7 is 
firewalld.  They take different fail2ban packages.

CentOS6 = fail2ban
CentOS7 = fail2ban-firewalld

Are you sure you are running the correct fail2ban package for your 
firewall?  (I screwed this up myself before I noticed and fixed it...)

Good Luck!

John H. Nyhuis
Desk: (206)-685-8334
jnyhuis at uw.edu
Box 359461, 15th floor, 106

On 12/30/2019 6:14 PM, Allan wrote:
> Hi all...
> Recently a new Fail2Ban was available among some other updates for my
> Centos 7 system, and I just updated all.
> It seems that was a very BAD idea.
> Just noticed that Fail2Ban have generated a 6MB error log because
> of the update, and FirewallD a 1MB log of errors !
> (not sure if any of those were really working after this)
> ok, I'll just run yum downgrade fail2ban I thought.
> Naa, no way back - Epel doesn't have a fallback option !
> Then gotta dig into Koji, to find the old version, download it,
> and downgrade to that - and pew, everything is back to normal.
> The old one seems to be version 0.9.7 and the new one is 0.10.4
> I haven't had time to look into Fail2Bans info about these 2 version,
> but since there is a major version change - is it really possible to
> just upgrade these ?
> Sure, I would love to have a working 0.10.4 for my Centos 7 - but it
> shouldn't destroy my existing system - or it should at least warn me
> about that - or what to fix.
>    Allan.
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