Quoting "Andrew McGlashan"
> On 26/11/2013 11:10 AM, Petros wrote:
>> Weird that only some worksites don't work.. it's a bit how a friend
>> living over in China describes it - randomly some stuff is blocked. I
>> hope we are not there yet..
>
> Yes, well, I had an issue with getting to the Billion website in AU ...
> the ISP claimed no block, Billion claimed no block -- I got a temporary
> extra block of IPs to test and another IP was fine from the same ISP,
> but they never did find out what was blocking my normal IP, not the ISP,
> nor Billion. In the end I just routed the connection via another
> service, but most people don't have multiple services to /choose/ from.
True. At the moment I have two links but one should be decommissioned soon.
Interesting the difference between traceroute when using ICMP and TCP port 80:
$ traceroute -I www.zeit.de
traceroute to www.zeit.de (217.13.68.220), 64 hops max, 72 byte packets
1 115.186.196.105 (115.186.196.105) 20.636 ms 20.494 ms 20.224 ms
2 3812.Gi0.br1.cit190.uecomm.net.au (218.185.31.142) 19.917 ms
20.789 ms 20.960 ms
3 VLAN323.o3mlc76f05.optus.net.au (61.88.143.197) 20.641 ms
22.014 ms 21.419 ms
4 203.208.192.241 (203.208.192.241) 195.414 ms 194.884 ms 195.379 ms
5 203.208.172.242 (203.208.172.242) 194.133 ms
203.208.172.238 (203.208.172.238) 194.407 ms
203.208.172.246 (203.208.172.246) 194.606 ms
6 80.150.171.41 (80.150.171.41) 196.557 ms 197.589 ms 196.317 ms
7 bs-ea1-i.BS.DE.NET.DTAG.DE (62.154.99.34) 357.788 ms 358.499 ms
364.120 ms
8 dtag.gaertner.de (80.150.168.230) 353.579 ms 354.360 ms 354.330 ms
9 www.zeit.de (217.13.68.220) 355.478 ms 355.685 ms 358.413 ms
BTW: I can ping www.zeit.de on both without packet loss..
Here for the new link if I do a traceroute using TCP port 80:
$ traceroute -P tcp -p 80 www.zeit.de
traceroute to www.zeit.de (217.13.68.220), 64 hops max, 64 byte
packets
1 115.186.196.105 (115.186.196.105) 21.767 ms 20.853 ms 20.700 ms
2 3812.Gi0.br1.cit190.uecomm.net.au (218.185.31.142) 20.425 ms
21.105 ms 21.113 ms
3 VLAN323.o3mlc76f05.optus.net.au (61.88.143.197) 21.699 ms
20.173 ms 22.365 ms
4 203.208.192.241 (203.208.192.241) 196.148 ms 195.114 ms 195.871 ms
5 203.208.172.242 (203.208.172.242) 194.133 ms
so-1-0-3-0.toknf-cr2.ix.singtel.com (203.208.173.22) 200.944 ms
203.208.172.246 (203.208.172.246) 193.771 ms
6 80.150.171.41 (80.150.171.41) 198.757 ms 195.419 ms 196.833 ms
7 bs-ea1-i.BS.DE.NET.DTAG.DE (62.154.99.34) 357.401 ms 359.721 ms
356.776 ms
8 dtag.gaertner.de (80.150.168.230) 354.517 ms 353.234 ms 355.168 ms
9 * * *
10 * * *
11 * * *
12 * * *
13 * * *
14 * * *
..
54 * * *
..
I don't understand it.. Why do the port 80 packets loop forever?
I never worked for an ISP so maybe people with this background have
seen this before?
I also see that the old link is using US addresses, the new one Singapore..
Regards
Peter
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