[nflug] need idea

[Cyber Source]

Darin Perusich wrote:
> why not just have the cron job that runs email you the info from 
> ifconfig? assuming that your clients are using unix routes then 
> "ifconfig -a |mail peter at thecybersource.com" should send you that info 
> your looking for.
>
> Cyber Source wrote:
>> Hello All,
>> I need an idea where I can find the originating IP of an email. I 
>> monitor alot of my clients servers, etc. and I have the cron jobs and 
>> such email me, which I have filters for and then sort them by who 
>> they are so things are organized. I also like to be able to help my 
>> clients out from time to time and ssh in to do things and I would 
>> like to not have to tell them to do a /sbin/ifconfig or if they are 
>> behind a router, to go to my web site and then I have a look at 
>> /var/log/httpd/access.
>> For most of my clients, if I look at the message headers of the cron 
>> emails, I can see the IP and then use that to log in, mostly cable 
>> dhcp clients. However, I am finding more and more dsl dhcp clients to 
>> be a problem because not only do they change alot (and normally not a 
>> problem because each day has a new email) but when I look at the dsl 
>> clients message headers I see something like this
>>
>> Return-Path: <root at thecybersource.com>
>> Received: from localhost.localdomain 
>> (pool-71-251-164-250.bflony.east.verizon.net [71.251.164.250])
>> by thecybersource.com (8.13.1/8.13.1) with ESMTP id k1K9AHeL024738
>>
>> If this were cable, the ip would be 71.251.164.250 but this does not 
>> seem to work with dsl, it is not reporting the actual ip that the 
>> client used when the box sent the email.
>>
>> So, I am looking for a way to have a cron run or something on the box 
>> that can send me a daily email showing the public ip they are using. 
>> I initially thought of doing a cron that could do a traceroute but I 
>> that doesnt work either. I don't know if something has changed on 
>> routers today to block such a process but when I use traceroute 
>> today, alot of it just times out with multiple ***.
>> Anyway, ideas anyone?
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>
That doesnt help when they are behind routers, it only shows the 
internal stuff, I need to know the public IP.
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