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Old 03-30-2009, 02:53 AM   #1
t0cs
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Registered: May 2005
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traceroute


i am getting a weird output from traceroute, when i traceroute a host i get '* * *' instead of the nodes ips. It only happens with foreign countries webpages, here is the result of 'traceroute alofokemusic.net':

elloco@yegualoba:/var/log$ traceroute alofokemusic.net
traceroute to alofokemusic.net (85.25.71.216), 30 hops max, 40 byte packets
1 19x.xxx.x.x (19x.xxx.x.x) 0.918 ms 0.999 ms 1.171 ms
2 1x.xx.xx.x (x1x.xx.xx.x) 7.660 ms 12.058 ms 12.169 ms
3 gig2-1.nwrmoh1-ybr2.xxxxxxxx.rr.com (24.95.85.237) 12.157 ms 12.284 ms 12.584 ms
4 srp8-1.clmboh1-rtr1.xxxxxxxxx.rr.com (65.25.129.61) 174.378 ms 174.541 ms 174.529 ms
5 srp12-0.clmboh1-rtr2.xxxxxxx.rr.com (65.25.129.98) 13.883 ms 14.000 ms 13.986 ms
6 tge1-0-0.clboh1-rtr0.xxxxxxx.rr.com (65.25.137.245) 20.102 ms 15.617 ms 23.951 ms
7 ae-4-0.cr0.chi30.xxxx.rr.com (66.109.6.68) 33.743 ms 33.749 ms 33.891 ms
8 ae-1-0.pr0.chi10.xxxxx.rr.com (66.109.6.155) 34.047 ms 38.049 ms 37.925 ms
9 gblx-twc.pr0.chi10.xxxx.rr.com (66.109.9.202) 42.286 ms 42.282 ms 42.825 ms
10 tge-4-2-0-0a.cr2.fra.xxxxx.net (208.51.239.190) 130.466 ms 131.152 ms 131.147 ms
11 ip-62-75-135-2.xxxxxxx.de (62.75.135.2) 131.666 ms 131.772 ms 131.743 ms
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
elloco@yegualoba:/var/log$

when i ping the host all goes good.

PS: sorry for my bad english
 
Old 03-30-2009, 03:34 AM   #2
jdkaye
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Registered: Dec 2008
Location: Westgate-on-Sea, Kent, UK
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Google is your friend. I googled wiki traceroute and found this:
Quote:
The three timestamp values returned for each host along the path are the delay (aka latency) values typically in milliseconds (ms) for each packet in the batch. If a packet does not return within the expected timeout window, a star (asterisk) is traditionally printed.
There you go. Those sites were just too slow.
jdk
 
Old 03-30-2009, 08:43 AM   #3
AlucardZero
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Registered: May 2006
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In fact, it's likely that step 12 is alofokemusic.net and that they are dropping traceroute's probes, since it's all stars down to the max # of hops.

You should install tcptraceroute and use it too:

Code:
alucard@karrde:~$ tcptraceroute alofokemusic.net
Selected device eth0, address 207.192.69.151, port 47673 for outgoing packets
Tracing the path to alofokemusic.net (85.25.71.216) on TCP port 80 (www), 30 hops max
 1  207.192.75.2  0.353 ms  0.242 ms  0.253 ms
 2  vlan803.tbr1.mmu.nac.net (209.123.10.29)  0.249 ms  0.166 ms  0.204 ms
 3  0.e1-2.tbr1.ewr.nac.net (209.123.10.117)  0.754 ms  0.725 ms  0.701 ms
 4  gi1-6.ccr01.ewr02.atlas.cogentco.com (154.54.12.33)  1.055 ms  1.067 ms  0.899 ms
 5  te3-2.ccr02.jfk01.atlas.cogentco.com (154.54.6.226)  1.148 ms  1.127 ms  1.147 ms
 6  te2-1.ccr02.jfk02.atlas.cogentco.com (154.54.7.69)  1.355 ms  1.272 ms  1.252 ms
 7  te7-1.ccr01.jfk02.atlas.cogentco.com (154.54.25.149)  90.957 ms  90.967 ms  91.171 ms
 8  te9-8.mpd01.bos01.atlas.cogentco.com (154.54.25.242)  90.940 ms  153.501 ms  91.011 ms
 9  te3-8.mpd01.ymq02.atlas.cogentco.com (154.54.5.118)  91.082 ms  91.006 ms  90.968 ms
10  te8-2.ccr01.ams03.atlas.cogentco.com (154.54.0.69)  90.958 ms  91.045 ms  91.008 ms
11  te1-7.mpd02.fra03.atlas.cogentco.com (130.117.0.229)  98.189 ms  98.291 ms  98.285 ms
12  * vl3491.mpd01.fra03.atlas.cogentco.com (130.117.2.45) 98.436 ms  98.331 ms
13  149.6.141.59  103.861 ms  103.797 ms  104.115 ms
14  ip-62-75-135-2.intergenia.de (62.75.135.2)  104.486 ms  104.339 ms  104.347 ms
15  loft1687.serverloft.com (85.25.71.216) [open]  104.925 ms  104.779 ms  104.764 ms
 
  


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