Andy Smith wrote:
> On Thu, Jan 25, 2007 at 11:54:08PM +0000, Chris Dennis wrote:
>> A client of mine is mysteriously unable to access a particular website, 
>> viz www.newforestliving.co.uk.  The browser hangs for quite a while and 
>> then says it can't display the page.
> 
> [...]
> 
>> So where can the block be happening?  What other tests can I do to find out?
> 
> A tcptraceroute from knoppix cd might be interesting..
> 
> $ tcptraceroute www.newforestliving.co.uk
> Selected device eth0, address 212.13.198.70, port 36374 for outgoing packets
> Tracing the path to www.newforestliving.co.uk (85.13.249.8) on TCP port 80 (www), 30 hops max
>  1  212.13.198.68  0.353 ms  0.289 ms  0.265 ms
>  2  kpn-peer.jump.net.uk (194.153.169.233)  0.770 ms  0.242 ms  0.260 ms
>  3  ldn-s2-rou-1001.UK.eurorings.net (134.222.231.61)  0.864 ms  1.063 ms  0.707 ms
>  4  134.222.230.121  0.586 ms  0.713 ms  0.591 ms
>  5  ldn-s2-rou-1003.UK.eurorings.net (134.222.231.226)  0.749 ms  0.601 ms  0.580 ms
>  6  ldn-s3-rou-1003.UK.eurorings.net (134.222.231.221)  0.971 ms  0.545 ms  0.576 ms
>  7  134.222.249.46  0.969 ms  0.647 ms  0.582 ms
>  8  so-0-1-0.lon11.ip.tiscali.net (213.200.80.29)  0.722 ms  0.982 ms  1.092 ms
>  9  ge-1-1-0-40.core2.sta.lon2.coreix.net (213.200.78.11)  0.957 ms  0.873 ms  1.058 ms
> 10  ge-0-2-60.dist1.sta.lon2.coreix.net (193.26.222.22)  1.344 ms  1.265 ms  1.705 ms
> 11  colo18.ukhost4u.com (85.13.249.8) [open]  1.096 ms  1.255 ms  1.183 ms
> 
> 
OK, thanks -- I'll try that next time I'm there.
What determines whether the results from tcptraceroute show up?  All I 
get from home is this:
  tcptraceroute 
www.newforestliving.co.uk
  Selected device eth0, address 192.168.1.2, port 57053 for outgoing packets
  Tracing the path to 
www.newforestliving.co.uk (85.13.249.8) on TCP 
port 80 (www) , 30 hops max
   1  * * *
   2  * * *
   3  * * *
   4  * * *
   5  * * *
   6  * * *
   7  * * *
   8  * * *
   9  colo18.ukhost4u.com (85.13.249.8) [open]  58.226 ms  34.133 ms 
37.242 ms
cheers
Chris
-- 
Chris Dennis                                  cgdennis@???
Fordingbridge, Hampshire, UK