Dear all,
i'm new to the list. Unfortunately I'am not an expert at all, but I'm
trying my best to understand fail2ban and the world of IP-adressing.
I've got this email-message from fail2ban:
############################################################
Hi,
The IP 0.0.0.0 has just been banned by Fail2Ban after
1 attempts against sshd.
Here is more information about 0.0.0.0 :
Für diese Art von Objekten ist kein Whois-Server bekannt.
missing whois program
Lines containing IP:0.0.0.0 in /var/log/auth.log
Regards,
Fail2Ban
############################################################
This is confusing to me, because the IP address does not make any sence
to me.
How can anybody have an IP Address of 0.0.0.0 ? Is this any kind of
special IP - Address ? Why does it show up in my sshd jail ? Is it some
kind of loopback-device address ? Some kind of broadcast ? Am I in
danger of blocking all the traffic ?
Thanks so much for clarification,
kaffeesurroagt
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