On Tue, Oct 16, 2012 at 9:12 AM, Zoe <[email protected]> wrote:
> Hi guys,
>
> I set up ossec since few months now, but I have some problems with
> active-responses.
>
> Active-responses work well, no problem with it.
> When an alert is detected, a lot of failed authentication from the same IP
> for example, IP is blacklisted in the firewall, and all connections are
> dropped.
> I use a timeout of 900s and repeated_offenders.
>
> But, in some cases, it arrived that a legitimate IP was blacklisted : wrong
> password or other. It was blacklisted for 900s.
>
> I want to manually unblock the IP, so I execute the command :
> #  /var/ossec/active-response/bin/host-deny.sh delete 1.1.1.1
> # /var/ossec/active-response/bin/firewall-drop.sh delete 1.1.1.1
>
> It's ok : 1.1.1.1 is deleted from firewall's IP blacklisted IP and is also
> deleted from hosts.deny.
>
> But 1.1.1.1 is still not allowing to connect to agent, until timeout of 900s
> expired.
>
> My question : is there a way to manually unblock 1.1.1.1 ? before timeout
> expiration ?
> Did active-response modify anything else, apart of adding a drop rule in
> firewall and an IP in hosts.deny in my case ??
>

How would we know?

> I already try a reboot of agent, it doesn't help.
>
> I'm using ossec2.6.
>
> Thanks for any help.
>
> Zoe

If you remove the IP from the hosts.deny and the firewall block, it
should be allowed. Unless you've blocked the IP somewhere else.

Reply via email to