[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Spamming and ssh attack from a customers
- Subject: Spamming and ssh attack from a customers
- From: marka at isc.org (Mark Andrews)
- Date: Thu, 06 Jan 2011 20:11:17 +1100
- In-reply-to: Your message of "Thu, 06 Jan 2011 11:21:56 +0300." <[email protected]>
- References: <[email protected]>
In message <BLU0-SMTP18666EADDBA40B2B455F798BB0A0 at phx.gbl>, Tarig Ahmed writes:
> hi all
>
> I am receiving emails from many servers saying that: this ip (from a
> customer) is trying to attacking one of our servers.
>
> Is it appropriate to filter ssh, telnet, and smtp from my customers,
> or just forward the message to my customer contact persons?
I suspect that your customer is compromised and you should put them
in a walled garden until they fix the problem. Look at traffic
flows first however.
> Thanks in advance..
>
> Tarig Yassin Ahmed
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org