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List:       opensuse
Subject:    Re: [opensuse] unable to access website after 10.2 install (bug 229848)
From:       "Mark Goldstein" <goldstein.mark () gmail ! com>
Date:       2006-12-21 17:33:12
Message-ID: 1d8633230612210933p3f70ba1cw2d29928a7848a568 () mail ! gmail ! com
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On 12/21/06, John Andersen <jsa@pen.homeip.net> wrote:

> This page has some info that might help:
> http://tracetcp.sourceforge.net/usage_proxy.html
> but it might require you install that package.
>
> Also the tcptraceroute package can help:  (slaged this off a google search)
>
> Find it at:
> http://michael.toren.net/code/tcptraceroute/
>
> > tcptraceroute servername
>
> will do a TCP traceroute on port 80.
>
> > tcptraceroute servername 25
>
> will do a TCP traceroute on port 25 to tell you what hops your TCP
>  packets take to get to the host. Because the ICMP route, and the TCP
>  route might be a bit different because of router configs.
>
> > tcptraceroute www.slashdot.org
>
>  1 * * *
>   2 slashdot.org (66.35.250.150) [open] 0.983 ms 0.838 ms 0.347 ms
>
> Hmmm, only two hops from me to slashdot?  not right, I should at least
>  see the IP's to get to my upstream provider.... Proxy server before I
>  even get to my gateway.
>
John,
Thank you for information.
You are absolutely right. tcptraceroute ends in 2 hops, while
traceroute makes 20+!
So my yes, my provider uses transparent proxy.
I'll add this information to bugzilla


-- 
Mark Goldstein
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