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Old 10-16-2008, 10:05 PM   #21
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Default Re: Technical (internet) help PLEASE...

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Not at this time, David. The problem looks to be very local. It is probably inside the co-lo facility where the server is housed.
Most Data centers will have two pipes or more, for redundancy, say if they're in Texas, having one go to Chicago and the other to LA or NY.... So as possible as it is, because a large amount of people still can get to it, I'd still think to look at the ISP end first. Users should contact their ISP only if having problems because if not, they'll show it as being fine. Now the admins should alert the web host as well to a problem, so they can investigate, but something like this unless you're on the inside isn't as easy to track down.

Basing this off the experience I have with working at an ISP previously and with out the networks my company and it's customers use, which are scattered across the US, and several other countries...having some locations store different servers for Apps and such.
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Old 10-16-2008, 10:29 PM   #22
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Default Re: Technical (internet) help PLEASE...

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yes, it has a number of network interfaces, with different ip addresses (afaik)

i've told them about the problem and they couldn't find any problem with configuration.
You really want to talk to someone who can log on to the router right before the server and do some testing. That seems to be where the problem is at.
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Old 10-16-2008, 10:30 PM   #23
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Default Re: Technical (internet) help PLEASE...

My BGP table is bigger than your BGP table
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Old 10-16-2008, 10:34 PM   #24
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Default Re: Technical (internet) help PLEASE...

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Most Data centers will have two pipes or more, for redundancy, say if they're in Texas, having one go to Chicago and the other to LA or NY.... So as possible as it is, because a large amount of people still can get to it, I'd still think to look at the ISP end first. Users should contact their ISP only if having problems because if not, they'll show it as being fine. Now the admins should alert the web host as well to a problem, so they can investigate, but something like this unless you're on the inside isn't as easy to track down.

Basing this off the experience I have with working at an ISP previously and with out the networks my company and it's customers use, which are scattered across the US, and several other countries...having some locations store different servers for Apps and such.
Agreed, more or less. Since the problem is manifesting itself at the 1st upstream router, the problem, statistically, is local to the facility. That is, unless they do physical layer shunting across the US, which is very costly and make little or no sense.

The problem could be a myriad of things from a bad network interface on the server to a HW or SW issue on the upstream device (router or switch) or internal DNS configuration issue or similar.

There is always the possibility that the server is running IP chains or something similar and that the config is screwed up in some way, but that's way far fetched base on what I know.

Like you, I have load of network engineering experience plus telecommunications OS design, work on networking standards committees, and a prior life as a network programmer and college professor. That doesn't mean that either of us knows squat about this problem, however.
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Old 10-16-2008, 10:38 PM   #25
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Default Re: Technical (internet) help PLEASE...

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Like you, I have load of network engineering experience plus telecommunications OS design, work on networking standards committees, and a prior life as a network programmer and college professor. That doesn't mean that either of us knows squat about this problem, however.
This could be the start of a networking banter thread
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Old 10-16-2008, 10:39 PM   #26
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Default Re: Technical (internet) help PLEASE...

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This could be the start of a networking banter thread
Duuuuude!
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Old 10-16-2008, 10:40 PM   #27
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Default Re: Technical (internet) help PLEASE...

Holy **** you guys lost me at hello LMAO
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Old 10-16-2008, 10:44 PM   #28
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Default Re: Technical (internet) help PLEASE...

I would contribute a few packets!
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Old 10-16-2008, 10:47 PM   #29
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mmblz, hope some of these thoughts end up helping out with the problems that are going on. Keep us updated and we'll keep throwing random crap your way.
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Old 10-16-2008, 11:18 PM   #30
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Default Re: Technical (internet) help PLEASE...

Julian and I talked on the phone. We think that the problem is isolated to the configuration to iptables on the server. iptables is a security program (more or less) and it seems to be logging blocked IPs that are corresponding to at least some of those having problems. He's calling the company that owns the server now.
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Old 10-16-2008, 11:21 PM   #31
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Default Re: Technical (internet) help PLEASE...

I know this doesn't help with the solution, but it's interesting that both admins that can't log on come from the mid atlantic area and are about two hours apart.
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Old 10-16-2008, 11:28 PM   #32
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Default Re: Technical (internet) help PLEASE...

couldn't reach the host yet.
i think the problem might have something to with csf (a program i hadn't heard of before)
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Old 10-16-2008, 11:31 PM   #33
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Default Re: Technical (internet) help PLEASE...

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couldn't reach the host yet.
i think the problem might have something to with csf (a program i hadn't heard of before)
Interesting

http://www.configserver.com/cp/csf.html
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Old 10-16-2008, 11:41 PM   #34
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Default Re: Technical (internet) help PLEASE...

yeah i found a readme, etc
frank and dave got blocked for typing a bad htpasswd 5 times (lame), and i found the command to whitelist them
now have to figure out why random users would be blocked, or why traceroute would trigger blocking
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Old 10-16-2008, 11:42 PM   #35
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Default Re: Technical (internet) help PLEASE...

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yeah i found a readme, etc
frank and dave got blocked for typing a bad htpasswd 5 times (lame), and i found the command to whitelist them
now have to figure out why random users would be blocked, or why traceroute would trigger blocking

ssswwwweeeeeeettttttt!

Way to go, Julian.
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Old 10-16-2008, 11:46 PM   #36
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Default Re: Technical (internet) help PLEASE...

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yeah i found a readme, etc
frank and dave got blocked for typing a bad htpasswd 5 times (lame), and i found the command to whitelist them
now have to figure out why random users would be blocked, or why traceroute would trigger blocking
Must have been a senior moment for them.
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Old 10-16-2008, 11:51 PM   #37
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Default Re: Technical (internet) help PLEASE...



What language is this?
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Old 10-16-2008, 11:52 PM   #38
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Default Re: Technical (internet) help PLEASE...

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What language is this?
It's a language the some crazy people in an asylum made up to pass the time.
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Old 10-17-2008, 12:42 AM   #39
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Default Re: Technical (internet) help PLEASE...

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Alright...let me know if you guys need any info or need for me to do anything on my end!
see if it works next time you have a chance...
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Old 10-17-2008, 07:00 AM   #40
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Default Re: Technical (internet) help PLEASE...

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see if it works next time you have a chance...
no dice


Quote:
Originally Posted by mmblz View Post
yeah i found a readme, etc
frank and dave got blocked for typing a bad htpasswd 5 times (lame), and i found the command to whitelist them
now have to figure out why random users would be blocked, or why traceroute would trigger blocking
julian....when the site first went live it kept prompting me for a password. I just hit continue or entered a random password. It always rejected it....could I have the same problem as Frank and Dave?
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