* Jones, Barry (bejo...@semprautilities.com) wrote:
> I can share with you several stories personnel (both IT or vendors), who have
> scanned Electric Utility environments with or without permission; and hence
> caused multiple failures - including electro-mechanical systems and related
> applic
-
From: Chuck Church [mailto:chuckchu...@gmail.com]
Sent: Tuesday, October 30, 2012 10:23 AM
To: nanog@nanog.org
Subject: RE: Network scan tool/appliance horror stories
Network scan tools are a great way to verify what important protocols you left
out of your control plane policing non-default
Network scan tools are a great way to verify what important protocols you
left out of your control plane policing non-default policies. Had a scanner
totally clog up our 6500 core router DHCP relay (ip helper) function once.
Uggghhh, security people
Chuck
We have had ncircle scans unexpectedly crash alcatel-lucent omni-switches.
On Mon, Oct 29, 2012 at 3:10 PM, Pedersen, Sean
wrote:
> We're evaluating several tools at the moment, and one vendor wants to
> dynamically scan our network to pick up hosts - SNMP, port-scans, WMI, the
> works. I was c
: Pedersen, Sean
Cc: nanog@nanog.org
Subject: Re: Network scan tool/appliance horror stories
On 10/29/12 12:10 -0700, Pedersen, Sean wrote:
>We're evaluating several tools at the moment, and one vendor wants to
>dynamically scan our network to pick up hosts - SNMP, port-scans, WMI,
>th
On Mon, Oct 29, 2012 at 12:10:40PM -0700, Pedersen, Sean wrote:
> We're evaluating several tools at the moment, and one vendor wants to
> dynamically scan our network to pick up hosts - SNMP, port-scans, WMI,
> the works. I was curious if anyone had any particularly gruesome horror
> stories of sca
On Oct 29, 2012, at 3:55 PM, "Rutis, Cameron"
>
> 6) large stacks of 3750s (six or more members) have issues around CPU during
> certain SNMP commands (I want to say some sort of getbulk type of command)
>
> The first four were pretty minor although #3 could generate a lot of calls to
> the
On Mon, Oct 29, 2012 at 2:10 PM, Pedersen, Sean wrote:
> I was curious if anyone had any particularly gruesome horror stories of
> scanning tools run amok.
>
A particular model of ShoreTel voice switches I used to administer (running
VxWorks, IIRC) would reliably lock up hard when hit with nmap'
been an old IOS bug.
-Original Message-
From: Pedersen, Sean [mailto:sean.peder...@usairways.com]
Sent: Monday, October 29, 2012 12:11 PM
To: nanog@nanog.org
Subject: Network scan tool/appliance horror stories
We're evaluating several tools at the moment, and one vendor wants to
On 10/29/12 12:10 -0700, Pedersen, Sean wrote:
We're evaluating several tools at the moment, and one vendor wants to
dynamically scan our network to pick up hosts - SNMP, port-scans, WMI, the
works. I was curious if anyone had any particularly gruesome horror
stories of scanning tools run amok.
I heard a story in the past year of someone that had a system get scanned and
it opened a ticket with their IT department for each time they scanned them.
Eventually the IT department system crashed due to the excessive number of
tickets being opened by their scanning tool.
The network was pro
On 29/10/2012 19:25, Justin M. Streiner wrote:
Also, if you're doing IPv6, the performance metrics for many network
devices can be a bit more of a moving target.
I'd almost be tempted to set up a few machines doing v6 only on the LAN,
with some trivial to exploit telnet/SNMP access then invi
It all depends on what tools they are using and how you have your system
setup.
Both NMAP and Nessus can check system\service to see if common accounts
have default or non password at all.
This can cause these accounts to be locked out.
There are other "exploits" that can cause systems\services t
On Mon, 29 Oct 2012, Pedersen, Sean wrote:
We're evaluating several tools at the moment, and one vendor wants to
dynamically scan our network to pick up hosts - SNMP, port-scans, WMI,
the works. I was curious if anyone had any particularly gruesome horror
stories of scanning tools run amok.
We're evaluating several tools at the moment, and one vendor wants to
dynamically scan our network to pick up hosts - SNMP, port-scans, WMI, the
works. I was curious if anyone had any particularly gruesome horror stories of
scanning tools run amok.
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