Bogleheads is back!

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oldcomputerguy
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Bogleheads is back!

Post by oldcomputerguy » Sun Jan 01, 2017 10:22 am

Whew! Glad to see the board back up. I get antsy if I don't have my daily dose.

Thanks to the admins who took time away from their New Year's Day holiday to bring the site back online. Your work is appreciated.

And by the way, here's a wish for a safe, prosperous, and happy 2017 for us all.
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Saphomd
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Re: Bogleheads is back!

Post by Saphomd » Sun Jan 01, 2017 10:40 am

Omg, I have been trying since last night! Glad it's working again. Happy investing 2017 to all :sharebeer

bzcat
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Re: Bogleheads is back!

Post by bzcat » Sun Jan 01, 2017 12:57 pm

Thanks for fixing the site :sharebeer

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whodidntante
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Re: Bogleheads is back!

Post by whodidntante » Sun Jan 01, 2017 1:15 pm

Not actionable. :happy

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whaleknives
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Re: Bogleheads is back!

Post by whaleknives » Sun Jan 01, 2017 1:52 pm

Strangely enough, the Bogleheads Wiki was up at https://www.bogleheads.org/wiki. You could still get your hit. :sharebeer
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Re: Bogleheads is back!

Post by gkaplan » Sun Jan 01, 2017 8:38 pm

What happened? Was this an unexpected outage? When I checked the "Is It Down Right Now? Website Down or Not?" website (http://www.isitdownrightnow.com/), it said the forum was undergoing maintenance.
Gordon

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Peculiar_Investor
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Re: Bogleheads is back!

Post by Peculiar_Investor » Sun Jan 01, 2017 8:47 pm

There was a technical error involved the database server, the message I saw indicated that disk space was full (more here), so the forum software wasn't functioning. The web server software was still responding to requests, so any tool that checked if the website was up or down would have concluded it was up. The Bogleheads wiki was fully functional during the whole time, although I expect if one of the wiki editors had attempted to edit something it might have triggered the same type of error.
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Barry Barnitz
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Re: Bogleheads is back!

Post by Barry Barnitz » Sun Jan 01, 2017 9:49 pm

Peculiar_Investor wrote:There was a technical error involved the database server, the message I saw indicated that disk space was full (more here), so the forum software wasn't functioning. The web server software was still responding to requests, so any tool that checked if the website was up or down would have concluded it was up. The Bogleheads wiki was fully functional during the whole time, although I expect if one of the wiki editors had attempted to edit something it might have triggered the same type of error.


I executed edits on the wiki during the outage.

regards,
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Peculiar_Investor
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Re: Bogleheads is back!

Post by Peculiar_Investor » Fri Jan 13, 2017 6:05 pm

Is anyone else having intermittent problems reaching the forum and getting "server DNS address could not be found" errors? For the past ten minutes or so I couldn't reach the site and http://www.downforeveryoneorjustme.com/bogleheads.org also confirmed the site as down. Obviously it's back again as I'm posting.

I've seen this error intermittently over the past week or so, no real pattern that I can detect.
Normal people… believe that if it ain’t broke, don’t fix it. Engineers believe that if it ain’t broke, it doesn’t have enough features yet. – Scott Adams

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macchiato
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Re: Bogleheads is back!

Post by macchiato » Fri Jan 13, 2017 6:14 pm

Yes, I thought I was temporarily banned :D

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Duckie
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Re: Bogleheads is back!

Post by Duckie » Fri Jan 13, 2017 7:07 pm

Peculiar_Investor wrote:I've seen this error intermittently over the past week or so, no real pattern that I can detect.

Me, too.

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LadyGeek
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Re: Bogleheads is back!

Post by LadyGeek » Fri Jan 13, 2017 8:04 pm

I've seen intermittent drop-outs over the past week or so, but nothing as severe as reported today. The server's fine, blame Comcast.

Whenever I see a slow response, I always find that Comcast is dropping packets.

Your browser is waiting for Comcast to send you the page, retries, waits again, then gives up.

I let mingstar know (site owner and server admin).
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Re: Bogleheads is back!

Post by Mudpuppy » Sun Jan 15, 2017 4:48 pm

Peculiar_Investor wrote:Is anyone else having intermittent problems reaching the forum and getting "server DNS address could not be found" errors? For the past ten minutes or so I couldn't reach the site and http://www.downforeveryoneorjustme.com/bogleheads.org also confirmed the site as down. Obviously it's back again as I'm posting.

I've seen this error intermittently over the past week or so, no real pattern that I can detect.

If you are getting that DNS error, it means the elaborate chain of queries that goes on behind the scenes to determine the IP address for a domain name has broken down. When this breakdown occurs, you cannot look up the IP address for the domain name, and you need the IP address to actually get to any Internet server. It's essentially like trying to find a house by only knowing who lives there, but having no directory service to look up their actual address.

This breakdown can be happening anywhere from your ISP to the Boglehead hosting ISP (Comcast I'm presuming, given LadyGeek's post), as well as anywhere in between the two. That's why the denial of service attack a few months ago on a DNS provider was so disruptive. Most people have not memorized the IP addresses for the sites they visit, so if DNS is down, they can't get there. The site is still online, you just can't find it.

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Re: Bogleheads is back!

Post by Peculiar_Investor » Sun Jan 15, 2017 5:41 pm

Mudpuppy wrote:If you are getting that DNS error, it means the elaborate chain of queries that goes on behind the scenes to determine the IP address for a domain name has broken down.

Without getting into too many of the technical details, there was a misconfiguration on the server side that was causing the DNS record to disappear intermittently. The problem has been addressed by mingstar.
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LadyGeek
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Re: Bogleheads is back!

Post by LadyGeek » Sun Jan 15, 2017 7:41 pm

^^^ Peculiar_Investor asked me what happened via PM. It's fixed.
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student
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Re: Bogleheads is back!

Post by student » Sun Jan 15, 2017 7:48 pm

Since the problem is with the DNS, I guess we can always access it directly with http://96.64.189.177 if this happens again. We can just make a note of this.

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Re: Bogleheads is back!

Post by LadyGeek » Sun Jan 15, 2017 8:09 pm

^^^ To save a redirect, use this instead: https://96.64.189.177/

=============
For the finishing touch, the proper format of a Uniform Resource Locator (URL) URL requires a trailing '/' in the path.

My browser knows this rule, as I copied the URL by right-click --> Copy link location (http://96.64.189.177) resulted in http://96.64.189.177/. I then modified the prefix to https:// .
To some, the glass is half full. To others, the glass is half empty. To an engineer, it's twice the size it needs to be.

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Re: Bogleheads is back!

Post by Peculiar_Investor » Sun Jan 15, 2017 8:31 pm

student wrote:Since the problem is with the DNS, I guess we can always access it directly with http://96.64.189.177 if this happens again. We can just make a note of this.

Yabbut the whole point of DNS is to resolve a domain name to an IP address. IP addresses can and do change, that's part of the design and why DNS servers exist. So there is no guarantee that bogleheads.org will continue to resolve to that IP address.
Normal people… believe that if it ain’t broke, don’t fix it. Engineers believe that if it ain’t broke, it doesn’t have enough features yet. – Scott Adams

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Re: Bogleheads is back!

Post by sport » Sun Jan 15, 2017 9:00 pm

LadyGeek wrote:^^^ To save a redirect, use this instead: https://96.64.189.177/

=============
For the finishing touch, the proper format of a Uniform Resource Locator (URL) URL requires a trailing '/' in the path.

My browser knows this rule, as I copied the URL by right-click --> Copy link location (http://96.64.189.177) resulted in http://96.64.189.177/. I then modified the prefix to https:// .

I tried those links to see how they work. The link with "https" gives me an error message about the site's security certificate. The link with "http" works with no problem.

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Re: Bogleheads is back!

Post by LadyGeek » Sun Jan 15, 2017 9:22 pm

It appears the certificate is valid for the domain name, not the IP. (I have no idea why I didn't get the error before.)

I'm guessing the certificate is handled correctly once the IP address is mapped to a domain name (via the DNS server), then forced to https:// at the server. Going to https:// causes your browser and server to enforce the right way to authenticate the certificate.
To some, the glass is half full. To others, the glass is half empty. To an engineer, it's twice the size it needs to be.

student
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Re: Bogleheads is back!

Post by student » Sun Jan 15, 2017 9:30 pm

Peculiar_Investor wrote:
student wrote:Since the problem is with the DNS, I guess we can always access it directly with http://96.64.189.177 if this happens again. We can just make a note of this.

Yabbut the whole point of DNS is to resolve a domain name to an IP address. IP addresses can and do change, that's part of the design and why DNS servers exist. So there is no guarantee that bogleheads.org will continue to resolve to that IP address.


You are correct. My oversight. Here is the history of the IP address of bogleheads.org.

http://server9.rscott.org/tools/lookup. ... .org&date=

Quark
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Re: Bogleheads is back!

Post by Quark » Sun Jan 15, 2017 9:48 pm

Peculiar_Investor wrote:Is anyone else having intermittent problems reaching the forum and getting "server DNS address could not be found" errors? For the past ten minutes or so I couldn't reach the site and http://www.downforeveryoneorjustme.com/bogleheads.org also confirmed the site as down. Obviously it's back again as I'm posting.

I've seen this error intermittently over the past week or so, no real pattern that I can detect.

FWIW, you can us http://isup.me/, which is much easier to type, to check if a site is down.

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