An exact/estimate reason why Bitcointalk doesn't load without VPN for me? - page 2.

redsn0w

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Quote from: Muhammed Zakir on April 12, 2015, 01:55:36 PM

...
So is it because of some problem in India? It will be helpful if any Indians other than who posted here can tell whether they are experiencing any problems. Thank you!

Can you post a traceroute when you are connected through VPN? I would like to see the difference between your first trace and the second. Thanks.

Muhammed Zakir

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Quote from: 2112 on April 12, 2015, 12:59:26 PM

How can anyone help you without you posting the very detailed information about your setup? You'll probably also need at least temporary access to another computer and/or another ISP.

Sorry for lack of details. What all details are necessary? As I have mentioned earlier, I have tried with another ISP.

Quote from: chronicsky on April 12, 2015, 01:31:17 PM

Though it's not much frequent but i have experienced it many times over some months. And yeah it's specific to this forum only, when i tracert'ed it , it went Timed out for some seconds and then back on , though my Internet connection is working fine ATM . But it never turned out to be much issue , after max of 1-5 refresh's it's back on track . But sometimes i have to clear cache to get it running Undecided

So is it because of some problem in India? It will be helpful if any Indians other than who posted here can tell whether they are experiencing any problems. Thank you!

chronicsky

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Though it's not much frequent but i have experienced it many times over some months. And yeah it's specific to this forum only, when i tracert'ed it , it went Timed out for some seconds and then back on , though my Internet connection is working fine ATM . But it never turned out to be much issue , after max of 1-5 refresh's it's back on track . But sometimes i have to clear cache to get it running Undecided

2112

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Quote from: Muhammed Zakir on April 12, 2015, 12:26:14 PM

Thank you for telling! I am using Linux Lubuntu. Is there a way to fix this if this is misconfiguration?

How can anyone help you without you posting the very detailed information about your setup? You'll probably also need at least temporary access to another computer and/or another ISP.

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Quote from: Muhammed Zakir on April 12, 2015, 12:26:14 PM

Quote from: 2112 on April 12, 2015, 11:46:56 AM

This trace reads like misconfigured equipment. I see about 6 seconds in the 4th hop then the final is reached in around 1 second. My best guess is this is a misconfigured firewall doing reverse DNS on every packet and letting them through only after RDNS failure. Notice that the packets without explicit reverse DNS address take several seconds whereas the packets with a set reverse address only take 1 or 2 seconds. This used to be a known bug with Microsoft Proxy/ISA/Forefront Server.

There's no physical reason for this type of ISP latency on Earth, it would only make sense for some space communication.

Thank you for telling! I am using Linux Lubuntu. Is there a way to fix this if this is misconfiguration?

If its on the 4th hop or later its a problem of/with your ISP.

Muhammed Zakir

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Quote from: 2112 on April 12, 2015, 11:46:56 AM

This trace reads like misconfigured equipment. I see about 6 seconds in the 4th hop then the final is reached in around 1 second. My best guess is this is a misconfigured firewall doing reverse DNS on every packet and letting them through only after RDNS failure. Notice that the packets without explicit reverse DNS address take several seconds whereas the packets with a set reverse address only take 1 or 2 seconds. This used to be a known bug with Microsoft Proxy/ISA/Forefront Server.

There's no physical reason for this type of ISP latency on Earth, it would only make sense for some space communication.

Thank you for telling! I am using Linux Lubuntu. Is there a way to fix this if this is misconfiguration?

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Quote from: Muhammed Zakir on April 12, 2015, 10:38:31 AM

Without VPN:

Code:

traceroute to bitcointalk.org (186.2.165.183), 30 hops max, 60 byte packets
  =snip=
 4  223.196.1.77 (223.196.1.77)  5218.928 ms  6140.400 ms  7061.777 ms
 5  223.196.7.161 (223.196.7.161)  7983.013 ms  8803.091 ms  8803.280 ms
 6  223.196.6.253 (223.196.6.253)  8803.259 ms  8793.376 ms  8793.183 ms
 7  62.208.252.225 (62.208.252.225)  8792.849 ms  7681.464 ms  6964.936 ms
 8  * * *
 9  * * *
10  * * *
11  * * *
12  * * *
13  10.10.48.5 (10.10.48.5)  2463.142 ms  2974.825 ms  5016.395 ms
14  ddos-guard.net (186.2.165.2)  1431.839 ms  1841.873 ms  1842.262 ms
15  node-186-2-165-183.reverse.x4b.me (186.2.165.183)  1842.012 ms  931.474 ms  1852.168 ms

This trace reads like misconfigured equipment. I see about 6 seconds in the 4th hop then the final is reached in around 1 second. My best guess is this is a misconfigured firewall doing reverse DNS on every packet and letting them through only after RDNS failure. Notice that the packets without explicit reverse DNS address take several seconds whereas the packets with a set reverse address only take 1 or 2 seconds. This used to be a known bug with Microsoft Proxy/ISA/Forefront Server.

There's no physical reason for this type of ISP latency on Earth, it would only make sense for some space communication.

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Quote from: CIYAM on April 12, 2015, 11:02:37 AM

Very hard to know if you don't know why you are getting such poor times.

Okay. Most of the times, it only happens when I connect to this forum. That's why, I was curious to know the reason.

Quote from: CIYAM on April 12, 2015, 11:02:37 AM

I live in China (sorry - guess you didn't realise that) so I am all too familiar with extremely restricted and slow internet.

No problem. Restricted and slow internet are seen widely in villages in India and I assume it is same in villages in other parts of the world^[1] but mine isn't slow always, I get up to 300 kbps^[2], however, restrictions are high.

[1] However, there are villages without enough electricity and technologies where we can not see internet and even if there is, we can only see in certain places.
[2] It is possible 300 kbps is fast for me as I haven't experienced/used a faster connection.

I will keep this thread open.

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Quote from: Muhammed Zakir on April 12, 2015, 10:58:45 AM

I understand but why do it last for hours? Even though if I get some timeouts, it shouldn't last for hours, right?

Very hard to know if you don't know why you are getting such poor times.

Quote from: Muhammed Zakir on April 12, 2015, 10:58:45 AM

What do you mean by "you'd feel right at home in China"? Does it mean something else than what it looks? I live in India, btw.

I live in China (sorry - guess you didn't realise that) so I am all too familiar with extremely restricted and slow internet.

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Quote from: CIYAM on April 12, 2015, 10:43:04 AM

Those times are very slow (you'd feel right at home in China) so I am not surprised if you are getting timeouts.

I understand but why do it last for hours? Even though if I get some timeouts, it shouldn't last for hours, right?

What do you mean by "you'd feel right at home in China"? Does it mean something else than what it looks? I live in India, btw.

CIYAM

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Those times are very slow (you'd feel right at home in China) so I am not surprised if you are getting timeouts.

Muhammed Zakir

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Without VPN:

Code:

traceroute to bitcointalk.org (186.2.165.183), 30 hops max, 60 byte packets
  =snip=
 4  223.196.1.77 (223.196.1.77)  5218.928 ms  6140.400 ms  7061.777 ms
 5  223.196.7.161 (223.196.7.161)  7983.013 ms  8803.091 ms  8803.280 ms
 6  223.196.6.253 (223.196.6.253)  8803.259 ms  8793.376 ms  8793.183 ms
 7  62.208.252.225 (62.208.252.225)  8792.849 ms  7681.464 ms  6964.936 ms
 8  * * *
 9  * * *
10  * * *
11  * * *
12  * * *
13  10.10.48.5 (10.10.48.5)  2463.142 ms  2974.825 ms  5016.395 ms
14  ddos-guard.net (186.2.165.2)  1431.839 ms  1841.873 ms  1842.262 ms
15  node-186-2-165-183.reverse.x4b.me (186.2.165.183)  1842.012 ms  931.474 ms  1852.168 ms

redsn0w

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Quote from: Muhammed Zakir on April 12, 2015, 12:06:19 AM

Now, I can connect without VPN. I still don't understand what was the reason, however, some of them told possibilities. Anyway, thank you!

Can you post (I'm curious) your traceroute (hide your personal ip)? This is my :

Code:

Traccia instradamento verso bitcointalk.org [186.2.165.183]
su un massimo di 30 punti di passaggio:

  1    10 ms     2 ms     2 ms  www.huaweimobilewifi.com [192.168.8.1]
  2     *        *        *     Richiesta scaduta.
  3   152 ms   112 ms    67 ms  151.6.52.194
  4   100 ms    60 ms    52 ms  151.6.52.212
  5    56 ms    50 ms    55 ms  151.6.5.96
  6   102 ms   134 ms    99 ms  151.6.6.209
  7   110 ms   105 ms    69 ms  151.6.92.151
  8   102 ms    92 ms   110 ms  ANantes-657-1-244-217.w2-0.abo.wanadoo.fr [2.0.179.217]
  9   100 ms    53 ms    57 ms  ANantes-657-1-244-218.w2-0.abo.wanadoo.fr [2.0.179.218]
 10    99 ms   104 ms    98 ms  172.31.0.5
 11    98 ms    90 ms   106 ms  151.5.139.69
 12   118 ms    58 ms    70 ms  151.6.92.194
 13    58 ms    58 ms    68 ms  151.6.92.154
 14    61 ms    58 ms    58 ms  151.6.7.214
 15   115 ms   108 ms    64 ms  151.6.0.70
 16     *        *        *     Richiesta scaduta.
 17     *        *        *     Richiesta scaduta.
 18   118 ms    81 ms    85 ms  10.10.68.11
 19     *        *        *     Richiesta scaduta.
 20   131 ms   118 ms   133 ms  10.10.48.5
 21   171 ms   126 ms   139 ms  ddos-guard.net [186.2.165.2]
 22    88 ms    83 ms   136 ms  node-186-2-165-183.reverse.x4b.me [186.2.165.183]

Traccia completata.

@theymos, what is https://186.2.165.2:8006/#v1:0:18:4:::::: (ddos-guard.net) is it a new ddos service "installed" here in the forum (after the ultimate ddos attack)? I don't remember to have seen it in the past month (or maybe I didn't noticed it).

Muhammed Zakir

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Now, I can connect without VPN. I still don't understand what was the reason, however, some of them told possibilities. Anyway, thank you!

theymos

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When bitcointalk.org isn't working, run traceroute bitcointalk.org (Linux) or tracert bitcointalk.org (Windows) using the not-working connection. Post the result here. If you don't want your IP address to be public, completely remove any lines containing your IP address.

GregH37

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Quote from: irfan_pak10 on April 11, 2015, 01:43:43 PM

Im Also Getting The Same Messages After some Intervals. I cleaned my Cockies and Every thing I dont Know What Is this

Yeah Im also Getting the Same Problem what Should I Do ?

Quote from: Welsh on April 11, 2015, 08:18:16 AM

What error is it reporting? Does it just timeout? Seems like this is a problem on your end. So checking your computer for the things below might be a good idea. There was a recent IP address change, so it might be the protection that theymos is using. They might be blocking your particular ISP or country.

There's a few things to check:

- Clear cookies & cache.
- Are you using HTTP Everywhere? Sometimes, this can mess up and case issues with certain sites, I don't think this is the case for this though.
- Check "hosts" file and alter if needed.
- Flushing the DNS
- Check if your ISP is blocking it

I did This But Getting the same Problem

irfan_pak10

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Im Also Getting The Same Messages After some Intervals. I cleaned my Cockies and Every thing I dont Know What Is this

CIYAM

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Quote from: Muhammed Zakir on April 11, 2015, 01:26:26 PM

The speed is same. Doesn't look a bit faster or slower.

You have checked with pings to be sure about that (as even up to 100 milliseconds might not be noticed if you are just judging by eye)?

Also - I'm not 100% certain but I think that VPNs that use UDP actually tend to run faster than those using TCP (but less reliably of course) so if your VPN doesn't seem slower than going direct then it is perhaps more likely that it is using UDP.

If that is the case it might simply be that your VPNs software "emulation" of TCP via UDP works more reliably than *actual TCP* (so the issue would in that case just be due to the 3G poor quality connection losing packets).

The other possibility is that your country is screwing with your internet (like the Great Chinese Firewall does) which would be the simplest explanation for VPN working more reliably than a direct connection. If that is what your problem is then you really have little choice except to use the VPN or a tunnel.

Muhammed Zakir

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Quote from: CIYAM on April 11, 2015, 12:08:13 PM

I guess it could indicate an issue with the 3G device's connectivity (maybe it is just losing a lot of packets due to poor signal).

This probably is.

Quote from: CIYAM on April 11, 2015, 12:08:13 PM

Your VPN software might be using UDP rather than TCP which perhaps could explain why it appears to work better via the VPN (but quite a bit slower I would think if this was the case).

The speed is same. Doesn't look a bit faster or slower.

Thank you all for taking the time to reply! I really appreciate it.

CIYAM

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Quote from: Muhammed Zakir on April 11, 2015, 11:56:12 AM

Quote from: CIYAM on April 11, 2015, 11:11:51 AM

Hmm... both were 3G or one 3G and one ADSL (or other)?

Yes but different ISPs. Could that be the problem?

I guess it could indicate an issue with the 3G device's connectivity (maybe it is just losing a lot of packets due to poor signal).

Your VPN software might be using UDP rather than TCP which perhaps could explain why it appears to work better via the VPN (but quite a bit slower I would think if this was the case).

Topic: An exact/estimate reason why Bitcointalk doesn't load without VPN for me? - page 2. (Read 2610 times)