I think I solved the issue.
The port was listening, as I performed an "netstat -plnt" and I could
see it.
I simply enabled ufw in Ubuntu my machine, blocking port 6379 and I
think it has corrected this security issue.
I updated my guide in the GenieACS GitHub.
Thank you for your help! Anyway, implementing redis AUTH in GenieACS
would be great. It could make the things harder to crack, improving
security. Hope you could give me assistance.
Sergio F.
El 17/08/16 a las 13:23, h0rst escribió:
Hi there!
Did u actually verify (i.e using netstat) that your redis instance is only
listening
on localhost and not on any other interface/ip? Are you sure that the mentioned
config
file is really used by redis?
I mean, it would be pretty difficult for a remote attacker to exploit any
service
running on localhost ;)
Kind regards,
Sebastian
----- Original Message -----
From: "Sergio" <[email protected]>
To: "Community support for GenieACS users" <[email protected]>
Sent: Friday, August 12, 2016 1:51:22 PM
Subject: Re: Are you suffering attacks to your servers?
Good morning! Thank you for your answers, Dan and Manny.
The variants that you both have told me are great, but in our service,
we can't restrict via IP or VLAN. On the other hand, we will implement
in the near future the "only allow HTTP POSTs".
I have been reading Slashdot this morning. And, to my surprise, I read
this article:
https://linux.slashdot.org/story/16/08/10/237230/linux-trojan-mines-for-cryptocurrency-using-misconfigured-redis-servers
This was the exact thing that happened to me, as I described below. So I
started to search how could I protect myself of this problems. So I
found this page http://redis.io/topics/security that tell us to bind the
Redis listening IP to the loopback interface.
So I searched for the /etc/redis/redis.conf file and it was already set.
So the next step is to configure a password. But here the problem
arises. I will be following this guide
https://www.digitalocean.com/community/tutorials/how-to-secure-your-redis-installation-on-ubuntu-14-04
But the problem is, how can I configure GenieACS to work with a
password-protected Redis? I simply don't know where to apply it, or if
it's going to require new code.
Any guidance? I would appreciate it a lot!
Thank you,
Sergio Fernández
PS. I am trying to reduce space for this message and I deleted the
previous answers.
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