[coreboot] Test

Stefan Reinauer stepan at coresystems.de
Tue Apr 8 23:37:42 CEST 2008


Ward Vandewege wrote:
> Hi Joe,
>
> On Tue, Apr 08, 2008 at 05:09:28PM -0400, joe at smittys.pointclark.net wrote:
>   
>> Arggg again. I can see my emails in pipermail, but I am not getting  
>> any of them. Can someone look at the email headers and see it anything  
>> looks crazy?
>>     
>
> The problem seems to be that khepri (the coreboot.org server) can't connect
> to port 25 on smittys.pointclark.net:
>
> khepri:/var/log/exim $ telnet smittys.pointclark.net 25
> Trying 65.175.181.44...
>
> ... that times out.
>
> From here in Boston:
>
> $ telnet smittys.pointclark.net 25
> Trying 65.175.181.44...
> Connected to smittys.pointclark.net.
> Escape character is '^]'.
> 220 smittys.pointclark.net ESMTP Postfix
> quit
> 221 Bye
> Connection closed by foreign host.
>
> Traceroute looks normal:
>
> khepri:/var/log/exim $ traceroute smittys.pointclark.net
> traceroute to smittys.pointclark.net (65.175.181.44), 30 hops max, 40 byte
> packets
>  1  gw.rtr1.colo1.NBG1.ip-exchange.de (212.123.124.185)  0.317 ms   0.490 ms
> 0.501 ms
>  2  ge3-5.cr2.NBG1.content-core.net (212.123.127.65)  0.224 ms   0.227 ms
> 0.217 ms
>  3  Tenge2-4-57.cr3.FRA3.content-core.net (212.123.123.203)  3.525 ms   3.471
> ms   3.484 ms
>  4  4G-p2.cr1.FRA3.content-core.net (212.123.123.42)  3.503 ms   3.458 ms
> 3.402 ms
>  5  193.159.224.21 (193.159.224.21)  3.707 ms   3.700 ms   3.509 ms
>  6  f-ea5.F.DE.net.DTAG.DE (62.154.16.161)  3.741 ms   3.753 ms   3.759 ms
>  7  te-4-4.car2.Frankfurt1.Level3.net (4.68.110.253)  4.089 ms   4.119 ms
> 4.101 ms
>  8  ae-32-54.ebr2.Frankfurt1.Level3.net (4.68.118.126)  6.728 ms   16.346 ms
> 13.799 ms
>  9  ae-1-100.ebr1.Frankfurt1.Level3.net (4.69.132.125)  13.597 ms   6.701 ms
> 6.489 ms
> 10  ae-2.ebr2.Paris1.Level3.net (4.69.132.141)  13.381 ms   26.367 ms
> 25.514 ms
> 11  ae-44.ebr2.Washington1.Level3.net (4.69.137.62)  100.867 ms
> ae-41.ebr2.Washington1.Level3.net (4.69.137.50)  97.342 ms
> ae-42.ebr2.Washington1.Level3.net (4.69.137.54)  97.593 ms
> 12  ae-82-82.csw3.Washington1.Level3.net (4.69.134.154)  107.265 ms
> ae-92-92.csw4.Washington1.Level3.net (4.69.134.158)  97.440 ms
> ae-62-62.csw1.Washington1.Level3.net (4.69.134.146)  101.640 ms
> 13  ae-71-71.ebr1.Washington1.Level3.net (4.69.134.133)  97.547 ms
> ae-81-81.ebr1.Washington1.Level3.net (4.69.134.137)  103.698 ms *
> 14  ae-4-4.car1.Cleveland1.Level3.net (4.69.132.193)  101.302 ms   102.199 ms
> 102.147 ms
> 15  ae-11-11.car2.Cleveland1.Level3.net (4.69.132.198)  102.603 ms   101.464
> ms   101.079 ms
> 16  ROADRUNNER.car2.Cleveland1.Level3.net (4.78.59.46)  122.099 ms   122.230
> ms   121.963 ms
> 17  gig15-0-0.ptldmeptl-rtr02.nyroc.rr.com (24.24.7.150)  134.609 ms
> 135.359 ms   134.807 ms
> 18  rrcs-24-39-3-2.nys.biz.rr.com (24.39.3.2)  134.779 ms   136.254 ms
> 135.865 ms
> 19  * * *
> ...
>
> And from here in Boston:
>
> $ traceroute smittys.pointclark.net
> traceroute to smittys.pointclark.net (65.175.181.44), 30 hops max, 40 byte
> packets
>  ...
>  3  vl200.aggr1.sbo.ma.rcn.net (209.6.160.100)  16.420 ms  16.833 ms  17.103
> ms
>  4  ge3-4.border1.sbo.ma.rcn.net (207.172.19.85)  46.691 ms  47.108 ms
> 47.312 ms
>  5  gigabitethernet6-24.car2.bos1.Level3.net (63.211.176.17)  17.384 ms
> 20.025 ms  20.415 ms
>  6  ae-5-5.ebr1.NewYork1.Level3.net (4.69.132.250)  28.679 ms  27.749 ms
> 25.022 ms
>  7  ae-81-81.csw3.NewYork1.Level3.net (4.69.134.74)  28.837 ms
> ae-91-91.csw4.NewYork1.Level3.net (4.69.134.78)  31.413 ms
> ae-61-61.csw1.NewYork1.Level3.net (4.69.134.66)  22.518 ms
>  8  ae-74-74.ebr4.NewYork1.Level3.net (4.69.134.117)  25.795 ms
> ae-83-83.ebr3.NewYork1.Level3.net (4.69.134.105)  21.125 ms
> ae-93-93.ebr3.NewYork1.Level3.net (4.69.134.109)  19.931 ms
>  9  ae-3.ebr3.Washington1.Level3.net (4.69.132.89)  26.395 ms
> ae-3.ebr4.Washington1.Level3.net (4.69.132.93)  26.157 ms
> ae-3.ebr3.Washington1.Level3.net (4.69.132.89)  27.952 ms
> 10  ae-74-74.csw2.Washington1.Level3.net (4.69.134.182)  27.395 ms
> ae-83-83.csw3.Washington1.Level3.net (4.69.134.170)  35.010 ms
> ae-94-94.csw4.Washington1.Level3.net (4.69.134.190)  33.347 ms
> 11  ae-61-61.ebr1.Washington1.Level3.net (4.69.134.129)  26.157 ms
> ae-71-71.ebr1.Washington1.Level3.net (4.69.134.133)  26.932 ms
> ae-81-81.ebr1.Washington1.Level3.net (4.69.134.137)  26.572 ms
> 12  ae-4-4.car1.Cleveland1.Level3.net (4.69.132.193)  32.026 ms  32.630 ms
> 32.396 ms
> 13  ae-11-11.car2.Cleveland1.Level3.net (4.69.132.198)  32.929 ms  33.136 ms
> 35.418 ms
> 14  ROADRUNNER.car2.Cleveland1.Level3.net (4.78.59.46)  34.417 ms  34.816 ms
> 35.012 ms
> 15  gig15-0-0.ptldmeptl-rtr02.nyroc.rr.com (24.24.7.150)  42.779 ms  42.381
> ms  46.577 ms
> 16  rrcs-24-39-3-2.nys.biz.rr.com (24.39.3.2)  49.243 ms  48.864 ms  48.490
> ms
> 17  rrcs-24-39-50-36.nys.biz.rr.com (24.39.50.36)  51.890 ms  48.315 ms
> 51.254 ms
> 18  * * *
> 19  * * *
> 20  * * *
> 21  * * *
> ...
>
> So, "the internet is broken". Routing problem somewhere between Germany and
> the US?
>
> Or... you're not doing fancy antispam based on RBLs or something are you,
> that would just drop incoming tcp connections from 'suspicious' IPs?
This is weird.

host -t mx  smittys.pointclark.net
smittys.pointclark.net has no MX record

host -t mx  pointclark.net
pointclark.net mail is handled by 10 antivirus1.pointclark.com.
pointclark.net mail is handled by 10 antivirus2.pointclark.com.
pointclark.net mail is handled by 10 antivirus3.pointclark.com.
pointclark.net mail is handled by 10 antivirus4.pointclark.com.

Sending mails via the MXes of pointclark.net works fine.

So, yes, either someone's blocking the connection or it's a 
transatlantic routing problem.

-- 
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