slightly OT: Internet weirdities

[Willy K. Hamra]

Jeff wrote:
> 
> Please check your assertions first.
> 
> The relevant section from the headers is:
> Received: from ?192.168.0.53? ( [213.254.233.9])
> 	by mx.google.com with ESMTPS id j2sm1257912mue.8.2008.08.07.15.38.42
> 	(version=SSLv3 cipher=RC4-MD5); Thu, 07 Aug 2008 15:38:45 -0700 
> (PDT)
> 
> Obviously 192.168.0.53 is the internal address of the PC composing 
> the message. 212.254.233.9 is the external address from which the 
> message was sent to mx.google.com using 
> 
> User-Agent: Thunderbird 2.0.0.16 (X11/20080724)
> 
> The headers would have been different if the message had been posted
> using Gigglemail's web interface in the way that you did. In that
> event you correctly describe how they only list the IP Address of the
> https server presenting the web page to the user.
>

true, i'm using TB using gmail's smtp. 192.168.0.53 is my IP on the
local network, the other IP 212.254.233.9 changes everytime i dial a
connection and isn't even my IP, i'm behind a NAT, my ISP gives me a
different 172.16.143.* , the other IP is reported as my external IP by
many websites and more weirdly, whatever the external IP is, it's always
reported as german, and all websites keep showing me german ads, even
though i'm waaaaay too far from germany (or UK). some smart websites can
detect my ISP's proxy (using a horribly configured squid 2.7) and put
local ads.

>> Furthermore, I suspect that you traced in the wrong direction,
>> mistaking the destination for the origin, which is why you see you own
>> ISP's address at the end.
> 
> I know my IP address, its reverse DNS, and the IP address of my 
> mailserver, and they are not the ones that I traced! I do not see my 
> own ISPs address anywhere on that email.
>  
>> As for Willy's concern, I also see erratic download speeds from *buntu
>> mirrors. I have never made the association with pinging, and figured
>> that it was a fault of my ISP. It has never been so bad that's I've
>> had to complain.
> 
> If he is using Tiscali, or a reseller thereof, then one only has to 
> look at http://search.theregister.co.uk/?q=tiscali to get a whole lot 
> of (bad) news about the company. 

trust me, whatever this tiscali isp is, mine is much worse :P

-- 
Willy K. Hamra
Manager of Hamra Information Systems
Co. Manager of Zeina Computer & Billy Net
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