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Closed Connectivity problem

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ondra_knezour

Aspiring Daemon

Thanks: 184
Messages: 747

#1
Hi all,

I am not able to reach forum for last 2-3 days from home. Now I checked from another location and forums works here, so I am not sure if there is some kind of routing problem or what.
Problematic route is
Code:
transit via condentco.com
 16     *        *        *     Request timed out.
 17   102 ms   101 ms   101 ms  208.79.80.10
 18   107 ms   107 ms   108 ms  208.79.80.253 <-- here packet deviates from working route
 19   107 ms   107 ms   115 ms  208.79.80.98
 20   108 ms   108 ms   107 ms  208.79.80.6
and timeouts here.

Working one is
Code:
transit via ntt.net
 14   110 ms   110 ms   110 ms  208.79.80.10
 15   117 ms   117 ms   116 ms  208.79.80.253
 16   118 ms   118 ms   119 ms  208.79.80.170
 17   121 ms   118 ms   117 ms  208.79.80.65
 18   120 ms   117 ms   117 ms  204.109.59.195
DNS name resolves to 204.109.59.195 address in both cases. My IP should be masquaraded to 84.246.166.29 from the Internet view. Any clues?
 

horseflesh

Member

Thanks: 4
Messages: 65

#2
I had a problem a couple of days ago too, but it turned up in a different way. I typically browse with a VPN service, and this forum was unreachable from 2 of the exit points. The others worked correctly. It's still a "works from here, not from there" issue so maybe our experiences are related.

I assumed it was an issue with my VPN provider so I filed a ticket there, but the trouble may be on another layer.
 

SirDice

Administrator
Staff member
Administrator
Moderator

Thanks: 6,125
Messages: 27,000

#3
It might be caused by a peering issue between two providers. Remember, the internet doesn't really exist. It's just a huge collection of networks tied together. And each individual network is maintained by a different company or organization. When you think about it it's actually surprising it works at all.
 

ondra_knezour

Aspiring Daemon

Thanks: 184
Messages: 747

#4
This doesn't look like peering issue, because packets get lost/diverge in network which by whois entry belongs to same same organization as the target IP, even being in different block.
 

DutchDaemon

Administrator
Staff member
Administrator
Moderator
Developer

Thanks: 2,620
Messages: 11,217

#5
I'll contact you about this in private. It's a blacklist issue.
 

DutchDaemon

Administrator
Staff member
Administrator
Moderator
Developer

Thanks: 2,620
Messages: 11,217

#6
I had a problem a couple of days ago too, but it turned up in a different way. I typically browse with a VPN service, and this forum was unreachable from 2 of the exit points. The others worked correctly. It's still a "works from here, not from there" issue so maybe our experiences are related.

I assumed it was an issue with my VPN provider so I filed a ticket there, but the trouble may be on another layer.
VPN services are rife with exploits and abuse, so the likelihood of ending up in an IP block (blacklist) using a VPN service (or TOR) is pretty high. Not your fault, you're simply on a network connection attracting script kiddies and abusers trying to hide their tracks.
 
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