blocked IP address

blocked IP address
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Subject Author Date
blocked IP address Terry 12-29-2006
Posted by Terry on December 29, 2006, 5:56 am
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Had a good one yesterday. Customer complains of Internet dropping several
times a week over last 6 months, and having to reset router, but now dead
for two days. Voice lines on same T1 never had a problem. Firewall router
changed twice. Telco (XO) says not their problem.Customer mad, IT guys
scared to go back. So they send old phone guy to look at cabling (again),
heat (shares closet with large water heater), rat droppings etc. Laptop on
channel bank with static IP address has no connection. Persuaded Telco to
work with me instead of just opening a trouble ticket. Find IP address had
been blocked by Telco because it had been used (by others) for spamming.
Never told customer of course. Used next issued IP address and we are good
to go. Now wondering about intermittent problem showing up again.



NMFall 20%
Posted by danny burstein on December 29, 2006, 8:25 am
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>Had a good one yesterday. Customer complains of Internet dropping several
>times a week over last 6 months, and having to reset router, but now dead
>for two days. Voice lines on same T1 never had a problem. Firewall router
>changed twice. Telco (XO) says not their problem.Customer mad, IT guys
>scared to go back. So they send old phone guy to look at cabling (again),
>heat (shares closet with large water heater), rat droppings etc. Laptop on
>channel bank with static IP address has no connection. Persuaded Telco to
>work with me instead of just opening a trouble ticket. Find IP address had
>been blocked by Telco because it had been used (by others) for spamming.
>Never told customer of course. Used next issued IP address and we are good
>to go. Now wondering about intermittent problem showing up again.

How sure are you that the spammers were coming from
another place? You could have a machine (or machines...)
at your customers that have been zombied, and tht
are sending out spam.


--
_____________________________________________________
Knowledge may be power, but communications is the key
                 dannyb@panix.com
[to foil spammers, my address has been double rot-13 encoded]

Posted by Terry on December 29, 2006, 6:52 pm
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>
>>Had a good one yesterday. Customer complains of Internet dropping several
>>times a week over last 6 months, and having to reset router, but now dead
>>for two days. Voice lines on same T1 never had a problem. Firewall router
>>changed twice. Telco (XO) says not their problem.Customer mad, IT guys
>>scared to go back. So they send old phone guy to look at cabling (again),
>>heat (shares closet with large water heater), rat droppings etc. Laptop on
>>channel bank with static IP address has no connection. Persuaded Telco to
>>work with me instead of just opening a trouble ticket. Find IP address had
>>been blocked by Telco because it had been used (by others) for spamming.
>>Never told customer of course. Used next issued IP address and we are good
>>to go. Now wondering about intermittent problem showing up again.
>
> How sure are you that the spammers were coming from
> another place? You could have a machine (or machines...)
> at your customers that have been zombied, and tht
> are sending out spam.
>
>
>Great point. I would not know and don't have the knowledge to find out.
>Just parroting what the carrier told me. The main point is the carrier just
>shutting down the customer without notifying them.



Posted by Rod H on January 7, 2007, 7:40 am
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sounds like your typical phone/data closet. how many mops brooms and
vaccums do you have to move before you can get to the equipment? is there
maybe some electical device that comes on giving you problems. I am
thinking more along rf related then power related.

I had a customer plug his water cooler into a power strip that was on a ups
running phone system. water cooler would kick on eventually ups would die
knocking out his phone system.
I find it iteresting carrier just shutting them down also. maybe that
procedure is automated. or maybe they are only carrier in town?

>
>>
>>>Had a good one yesterday. Customer complains of Internet dropping several
>>>times a week over last 6 months, and having to reset router, but now dead
>>>for two days. Voice lines on same T1 never had a problem. Firewall
>>>router
>>>changed twice. Telco (XO) says not their problem.Customer mad, IT guys
>>>scared to go back. So they send old phone guy to look at cabling (again),
>>>heat (shares closet with large water heater), rat droppings etc. Laptop
>>>on
>>>channel bank with static IP address has no connection. Persuaded Telco to
>>>work with me instead of just opening a trouble ticket. Find IP address
>>>had
>>>been blocked by Telco because it had been used (by others) for spamming.
>>>Never told customer of course. Used next issued IP address and we are
>>>good
>>>to go. Now wondering about intermittent problem showing up again.
>>
>> How sure are you that the spammers were coming from
>> another place? You could have a machine (or machines...)
>> at your customers that have been zombied, and tht
>> are sending out spam.
>>
>>
>>Great point. I would not know and don't have the knowledge to find out.
>>Just parroting what the carrier told me. The main point is the carrier
>>just shutting down the customer without notifying them.
>
>




other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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