On 2017-09-25 00:33, Bill Shirley wrote:
> Looks like your ipset wasn't created or something caused it to be deleted.
> ipset v6.29: The set with the given name does not exist
>
> Do you find the named ipset with: ipset -L -n
>
> Also, your default action (firewallcmd-allports.conf) doesn't use ipset.
> Somehow
> your jail is using firewallcmd-ipset.conf. Use fail2ban-client -d to figure
> out how
> fail2ban is configured.
>
> Bill
>
> On 9/24/2017 4:26 PM, Jeffrey Ross wrote: I'm trying to configure fail2ban
> and it appears as if it is correctly identifying addresses to ban however it
> doesn't appear to be successful in banning hosts:
>
> 2017-09-24 16:01:46,073 fail2ban.actions [3591]: NOTICE [sshd] Ban
> 91.210.178.96
> 2017-09-24 16:01:46,494 fail2ban.action [3591]: ERROR ipset add
> fail2ban-sshd 91.210.178.96 timeout 31536000 -exist -- stdout: b''
> 2017-09-24 16:01:46,494 fail2ban.action [3591]: ERROR ipset add
> fail2ban-sshd 91.210.178.96 timeout 31536000 -exist -- stderr: b'ipset v6.29:
> The set with the given name does not exist\n'
> 2017-09-24 16:01:46,495 fail2ban.action [3591]: ERROR ipset add
> fail2ban-sshd 91.210.178.96 timeout 31536000 -exist -- returned 1
> 2017-09-24 16:01:46,495 fail2ban.actions [3591]: ERROR Failed to
> execute ban jail 'sshd' action 'firewallcmd-ipset' info 'CallingMap({'ip':
> '91.210.178.96', 'failures': 25, 'time': 1506283306.0737438, 'matches':
> '2017-09-24T12:50:33.918187xyzzy.bubble.org sshd[31335]: Invalid user admin
> from 91.210.178.96 port 51448\n2017-09-24T12:50:35.229995xyzzy.bubble.org
> sshd[31337]: Invalid user admin from 91.210.178.96 port
> 51456\n2017-09-24T12:50:36.520259xyzzy.bubble.org sshd[31339]: Invalid user
> admin from 91.210.178.96 port
> 51461\n2017-09-24T12:50:37.869954xyzzy.bubble.org sshd[31343]:
>
> {removed part of the very long line showing all the matches in fail2 ban}
>
> 91.210.178.96 port 51705', 'ipmatches': <function
> Actions.__checkBan.<locals>.<lambda> at 0x7f3ed78c7950>, 'ipjailmatches':
> <function Actions.__checkBan.<locals>.<lambda> at 0x7f3ed78c7c80>,
> 'ipfailures': <function Actions.__checkBan.<locals>.<lambda> at
> 0x7f3ed78c7d90>, 'ipjailfailures': <function
> Actions.__checkBan.<locals>.<lambda> at 0x7f3ed78c7d08>})': Error banning
> 91.210.178.96
> 2017-09-24 16:01:46,909 fail2ban.actions [3591]: NOTICE [sshd]
> 91.210.178.96 already banned
> 2017-09-24 16:01:47,911 fail2ban.actions [3591]: NOTICE [sshd]
> 91.210.178.96 already banned
>
> This is Fedora 26
>
> /etc/fail2ban/fail2ban.conf is set to distribution default
> /etc/fail2ban/jail.conf is set to distribution default
>
> I've added in to fail2ban.d/local.conf
> [fail2ban]
> enabled = true
> filter = fail2ban
> action = iptables-allports[name=fail2ban]
> logpath = /var/log/fail2ban.log
> # findtime: 1 day
> findtime = 86400
> # bantime: 1 year
> bantime = 31536000
> maxretry = 5
to jail.d/00-firewalld.conf
> [DEFAULT]
> banaction = firewallcmd-ipset
> sender = fail2...@example.com
> destemail = root
> action = %(action_mwl)s
to jaild/10-sshd.conf
> [sshd]
> enabled=true
> # findtime: 1 day
> findtime = 86400
> # bantime: 1 year
> bantime = 31536000
and yes the system is currently setup to accept only public/private key
authentication for SSH, I'm assuming that once I get ssh figured out I
can get the other services figured out.
Thanks, Jeff
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"ipset -L -n" returns nothing, no output, nor any error, and what should
I be looking for with "fail2ban-client -d" as it returns a large amount
of "stuff"
Jeff
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