On 24/03/16 08:21, Anthony Griffiths wrote: > I'm running centos 6.7 64 bit and fail2ban-0.8.14-1.shmz65.1.128.noarch > which I got from 'yum install fail2ban'. The problem is I'm getting a > lot of strange entries in my logwatch file every day concerning > fail2ban. Here's an example of what I get every day in the logwatch: The > first bit about banned services is normal, it's the **Unmatched > Entries** section I don't understand. > > --------------------- fail2ban-messages Begin ------------------------ > > > Banned services with Fail2Ban: Bans:Unbans > sendmail-auth: [ 9:0 ] > 69.64.59.83 (mta2.sfdinternetfurnituresolves.uk > <http://mta2.sfdinternetfurnituresolves.uk>) 1:0 > 87.255.29.27 (mail.himkidez.com > <http://mail.himkidez.com>) 1:0 > 138.91.146.77 1:0 > 185.56.80.175 1:0 > 189.199.172.239 (customer-LMM-172-239.megared.net.mx > <http://customer-LMM-172-239.megared.net.mx>) 1:0 > 195.22.127.187 1:0 > 201.174.118.2 (201-174-118-2.transtelco.net > <http://201-174-118-2.transtelco.net>) 1:0 > 212.156.93.202 (212.156.93.202.static.turktelekom.com.tr > <http://212.156.93.202.static.turktelekom.com.tr>) 1:0 > 218.241.6.185 1:0 > > **Unmatched Entries** > 2016-03-23 00:08:51,033 fail2ban.filter [31893]: WARNING Unable to find > a corresponding IP address for ::1: [Errno -9] Address family for > hostname not supported [[SNIP]] > > ---------------------- fail2ban-messages End ------------------------- > > what does it mean and how do I stop it?
Are you using IPv6 on this server? you can disable IPv6 and comment out the IPv6 line in /etc/hosts, that should prevent this error. Michael ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 _______________________________________________ Fail2ban-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/fail2ban-users
