contact with One & One ?

[JORDI PALET MARTINEZ]

There’re tons of them !



Here are a couple of PMTUD test:


tbit from 2001:df0:4:4000::1:115 to 2001:8d8:1001:238f:3cf1:2223:88f2:c80a
server-mss 1440, result: pmtud-fail
app: http, url: http://diskmakerx.com/
[  0.009] TX SYN             64  seq = 0:0            
[  0.288] RX SYN/ACK         64  seq = 0:1            
[  0.288] TX                 60  seq = 1:1            
[  0.298] TX                233  seq = 1:1(173)        
[  0.577] RX                 60  seq = 1:174          
[  0.812] RX               1500  seq = 1:174(1440)    
[  0.812] RX               1500  seq = 1441:174(1440)  
[  0.812] RX               1500  seq = 2881:174(1440)  
[  0.812] RX                 69  seq = 4321:174(9)    
[  0.812] RX               1500  seq = 4330:174(1440)  
[  0.812] RX               1500  seq = 5770:174(1440)  
[  0.812] TX PTB           1280  mtu = 1280
[  0.812] RX               1500  seq = 7210:174(1440)  
[  0.816] RX               1500  seq = 8650:174(1440)  
[  0.822] TX                 60  seq = 174:1          
[  0.883] RX               1500  seq = 10090:174(1440)
[  0.892] RX               1500  seq = 11530:174(1440)
[  1.651] RX               1500  seq = 1:174(1440)    
[  1.651] TX PTB           1280  mtu = 1280
[  3.335] RX               1500  seq = 1:174(1440)    
[  3.335] TX PTB           1280  mtu = 1280
[  6.703] RX               1500  seq = 1:174(1440)    
[  6.703] TX PTB           1280  mtu = 1280
[ 13.439] RX               1500  seq = 1:174(1440)    


tbit from 2001:df0:4:4000::1:115 to 2001:8d8:1000:d2ea:95d2:30d0:d4ad:9357
server-mss 1440, result: pmtud-fail
app: http, url: http://www.legalveritas.es/
[  0.009] TX SYN             64  seq = 0:0            
[  0.285] RX SYN/ACK         64  seq = 0:1            
[  0.285] TX                 60  seq = 1:1            
[  0.297] TX                238  seq = 1:1(178)        
[  0.572] RX                 60  seq = 1:179          
[  0.810] RX               1492  seq = 1:179(1432)    
[  0.810] TX PTB           1280  mtu = 1280
[  0.825] RX               1500  seq = 1433:179(1440)  
[  0.825] RX               1500  seq = 2873:179(1440)  
[  0.825] RX               1500  seq = 4313:179(1440)  
[  0.825] RX               1500  seq = 5753:179(1440)  
[  0.825] RX               1500  seq = 7193:179(1440)  
[  0.825] RX               1500  seq = 8633:179(1440)  
[  0.825] RX               1500  seq = 10073:179(1440)
[  0.825] RX               1500  seq = 11513:179(1440)
[  0.825] RX               1500  seq = 12953:179(1440)
[  1.636] RX               1492  seq = 1:179(1432)    
[  1.636] TX PTB           1280  mtu = 1280
[  3.296] RX               1492  seq = 1:179(1432)    
[  3.296] TX PTB           1280  mtu = 1280
[  6.616] RX               1492  seq = 1:179(1432)    
[  6.616] TX PTB           1280  mtu = 1280
[ 13.248] RX               1492  seq = 1:179(1432)    




Saludos,
Jordi


-----Mensaje original-----
De: <ipv6-ops-bounces+jordi.palet=consulintel.es at lists.cluenet.de> en nombre de Mikael Abrahamsson <swmike at swm.pp.se>
Organización: People's Front Against WWW
Responder a: <swmike at swm.pp.se>
Fecha: viernes, 14 de octubre de 2016, 12:32
Para: JORDI PALET MARTINEZ <jordi.palet at consulintel.es>
CC: <ipv6-ops at lists.cluenet.de>
Asunto: Re: contact with One & One ?

    On Fri, 14 Oct 2016, JORDI PALET MARTINEZ wrote:
    
    > Hi,
    >
    > I’ve discovered, several months ago already, that all the 1&1 web sites 
    > with IPv6 support enabled are broken, because they filter PMTUD, so any 
    > residential customer with has a reduced MTU because PPP or any other 
    > encapsulation/tunnel, etc., is not reaching them.
    
    Do you have an example of a website they host that I can test against?
    
    -- 
    Mikael Abrahamsson    email: swmike at swm.pp.se



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