[70717] in North American Network Operators' Group
Re: Road Runner contact needed
daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Fri May 21 21:43:21 2004
Date: Sat, 22 May 2004 07:12:40 +0530
From: Suresh Ramasubramanian <suresh@outblaze.com>
To: Mark Jones <markjo@netins.net>
Cc: nanog@merit.edu
In-Reply-To: <20040521101035.7D6E.MARKJO@netins.net>
Errors-To: owner-nanog-outgoing@merit.edu
Mark Jones wrote:
> my case, it was a /24 that was blocked (mixture of dialup, dynamic dsl,
> and static). My query for info resulted in the /24 being unblocked, then
> later a trojaned customer spewed spam and got the /24 blocked again.
Having proper rDNS and if possible suballocating dialup / dhcp and
static ip pools would be a good idea, so admins can tell these apart
when they are applying ACLs.
> This was repeated a couple times, apparently. It might have been better
> if I had specifically requested unblocking of just the one IP in there
> that actually runs a mailserver - it likely would have stayed unblocked.
That too is a good idea.
--
suresh ramasubramanian suresh@outblaze.com gpg EDEDEFB9
manager, security and antispam operations, outblaze ltd
