Sounds like that network consultant is just making it evident that he didn't get the address scheme correct originally. Or, the change after that, or the change after that.... ad infinitum.

Easy to understand that it drives you nuts. What's his justification - more billable hours?


Roger Harman
COMMON Certified Application Developer – ILE RPG on IBM i on Power


________________________________________
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxx> on behalf of rob@xxxxxxxxx <rob@xxxxxxxxx>
Sent: Tuesday, November 24, 2015 4:19 AM
To: Midrange Systems Technical Discussion
Subject: Re: Is there an easy way to monitor for Internet failures?

James,

Your belt and suspenders approach would get you in trouble here. Our
network consultant likes to occasionally renumber the IP addresses on our
servers. Drives me batshirt crazy. When I try to object he goes over my
head and ties up the boss time until he acquiesces if for no other reason
than to get him out of there and allow him to move on. Your host table
entries would leave you out in the cold.

Although I appreciate what you are doing with your dummy host table
entries (0.0.0.0) I would think that many of the 'adware' type stuff would
have already bitten you. Weather Bug was an app I used to have on my
laptop that had serious adware stuff. We use Websense to block this
stuff. It pretty much killed Websense. It also stopped most of the ads
on one particular midrange publication because they were more concerned
about being able to report hit counts than customers seeing their sponsors
ads. Websense blocked their hit count site. In summary, Websense keeps
up on this faster than you could. I will say it occasionally freaks out
and I have to reboot to get to sites like IBM. And it's on my company
supplied webtop so low into it that I get blocked even off premises. Like
the time I was doing router analysis with tech support from my local ISP
and I was told to boot into safe mode to do a particular test and websense
blocked it all.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: "James H. H. Lampert" <jamesl@xxxxxxxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 11/23/2015 06:38 PM
Subject: Re: Is there an easy way to monitor for Internet failures?
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



On 11/23/15 1:09 PM, rob@xxxxxxxxx wrote:
Backup:
Is that the hardcoded IP address as it used to be provided by your old
ISP, or the one provided by your new ISP?
Or is that the hardcoded IP address to go directly to one of your
servers
or the sprayer you just now fronted that with to go to multiple servers?

It's the hardcoded IP address of whatever the relevant server is at the
time the application was last coded, and if the customer is using good
common sense, and gave the box access to a DNS when it was given access
to the outside world, it's a hardcoded IP address that the app never has
to fall back on.

And yes, the last time we changed ISPs, the handful of customers who
actually DID have to fall back on the hardcoded IP address needed to
either give their boxes access to a DNS, or create a host table entry,
or manually download an update. But better to leave them stuck out in
the cold once in a blue moon than leave them stuck out in the cold
permanently.

Actually, I have a much longer host table on my Mac than I've seen on
any IBM Midrange box. There are a few entries so that I can reach all
the internal servers by name, but the lion's share of the entries are
0.0.0.0 entries to make Facebook (and a rather large number of
browser-busting ad servers) completely unreachable. (I don't do
Facebook, and I don't want some stealth link sending me there without my
knowledge or consent!)

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JHHL
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