ISP/work DNS Sporatic: "Server Not Found"
Aug 3, 2009
A few weeks back I changed the DNS for my personal website.
With that said, my work runs their own DNS, and for some reason I can only visit my domain name on and off...
For example, I might come into work one day and visit my domain:
[url]
It will work just fine... No connection problems. Then, a few hours later, I try to visit my site again and I get this error:
Quote:
Server not found
Firefox can't find the server at www.example.com.
Then a few/many hours later I can connect again with no problems!!!
Every computer/browser that I have tried in the building gives me this (or similar) error.
This connection problem happens very frequently, and it is on/off throughout the day.
I have narrowed it down to the domain name servers because when I use OpenDNS, I have not problems whatsoever.
Additionally, when I connect to my site from home, I never get this error.
Questions:
1. What do you think the problem is?
2. When approaching the IS dept. with this, what should I tell them is wrong?
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May 11, 2008
I do not know where to post this, I recently changed Hosts.
My domain through GoDaddy was changed to my new account that was setup, The issue is everyone else can see my website but me and I am not sure why?
On my end I get Server Not Found?
I can see my site through a Proxy and also I have shown the site to a few people and they have no issues accessing it...
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May 17, 2008
I cant visit my website! <snipped> everytime I go it says server not found. So I told some friends to go and they are able to see and visit <snipped> How is that possible?? They could and I cant? Yesterday same thing but then couple hours later it worked I could visit hmlegends.com but i didnt do anything and now today same thing server not found! i cleaned my history everything and still server not found!
So what I did is used a proxy <snipped> and then it worked!
But then I dont use a proxy SERVER NOT FOUND! Its like my IP cant reach hmlegends.com
I dont know how to solve this?!?? It just says server not found!
But it looks like everyone else could access it!
Anyways im using Firefox 2 but then maybe i thought it was my browser so switched to 3 so currently on firefox 3
and no its not its something with my IP cuz when i use proxy i could go to my site
but point is i dont wanna use proxy i wanna use my IP to go to hmlegends.com
Also im using Dial Up Internet!
I use AOL Dialer to connect!
Aol Dialer 4.8.8.4
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Mar 21, 2008
After going back and forth with the folks that are supposed to be managing my server they finally checked and found an irc bot. Here is their message:
I have found a irc bot running on your server. The binaries are located at /var/lib/texmf/.dat/. You can see the tar file which the hacker uploaded at /var/lib/texmf/. I have changed the permissions to 000 so that you can verify the files.
The user of the files are nobody. Hence it is clear that the files were uploaded via url injection using some vulnerable script under some domain. Unfortunately there are no helpful logs to find the exact domains and the vulnerable script. It is certain that the files were first uploaded to /tmp and then moved from there. You can see some similar hack files at /tmp/.dat, /tmp/var and /tmp/.dev12. Also the permission of /var/lib/texmf/ was 777.
You should update all your web softwares to latest version so that they will include latest security patches. Also I will recommend you to enable mod_security in your server to prevent further hacks.
Let us know if you want this to be enabled.
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Apr 26, 2009
I'll try to make this long story short, but this morning I logged into one of my servers and it showed a read-only filesystem, which I thought my server guys could fix easily. So I put in a ticket. 6 hours later, they tell me that they think the OS is corrupted and I need a new install. They give me KVM over IP so I can go in and 'do' things. I tried to log in as root and it wouldn't let me, so they finally booted in single mode and I can get in and such. When I try to su - root, it tells me that user root can't be found. I also tried to ftp into and out of the server with no luck. I really need this box back up. If not, I need to get all the accounts saved off so that I can build a new box. Everything is there, so I don't want to give up yet.
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Nov 30, 2007
OK so I am running one powerful server. And have PlatinumServerManagement Manage it.
But Ever since I got this server The server never went down or anything like that due to high CPU usage or to many visitors.
But for some reason I am still getting emails from my members that once in a while they cant access the site because they get a "server not found error" I checked the server uptime and it never went down. The server has been up all the time. So I have no idea why these people can't access the website.
My first guess is that they are getting blocked by some security software on my server. But I talked with PlatinumServerManagement and it can't be that.
So does anyone know why they might not be able to see the websites all the times? but only some random times.
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Mar 20, 2007
I am running CentOS and everything is almost perfect, except when I try and send email via the sendmail smtp service the email gets bounced back with the following information:
The original message was received at Tue, 20 Mar 2007 15:27:26 -0700
from localhost.localdomain [127.0.0.1]
----- The following addresses had permanent fatal errors -----
<jkeller@<myrealdomaingoeshere>>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <jkeller@<myrealdomaingoeshere>>... Host unknown (Name server: 127.0.0.1: host not found)
[-- Attachment #2 --]
[-- Type: message/delivery-status, Encoding: 7bit, Size: 0.3K --]
Reporting-MTA: dns; localhost.localdomain
Received-From-MTA: DNS; localhost.localdomain
Arrival-Date: Tue, 20 Mar 2007 15:27:26 -0700
I am able to send internal mail, meaning, mail within the internal netowork, but anything external get's kicked back. Thanks for the help.
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Feb 14, 2008
Recently,Mysql has been a problem that is going down.So,I have to restart Mysql Service everyday. You can see for further information at here
Quote:
ERROR
Couldn't connect to database.
Please contact admin about this err. Back
DETAIL
2002 : Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
This is the error when i restart Mysql Service via SSH
Quote:
ERROR! MySQL manager or server PID file could not be found!
Starting MySQL SUCCESS!
what i should do and give me a solution to kill this error
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Jan 14, 2015
Not sure what the problem is but I can't preview a new website using Quick Site Preview. I have configured Tools and Settings > Website Preview Settings > Quick Preview on a domain name in Plesk by selecting the server domain name, yet despite this when I go to a new domain I setup today and click preview I get a browser windows that says "Server Not Found".
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Aug 19, 2014
When i try to check my stats, i got this error : Not Found
The requested document was not found on this server.
URL : domaine.nld/plesk-stat/webstat/
I tried a lot of commands, to repair too..
# /usr/local/psa/admin/sbin/statistics --calculate-all
WARNING during statistics_collector execution: : Executing logs preparation...
But nothing... Always the same error.
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Sep 13, 2007
I doubt that anyone can solve this, but here goes...
This is my first server, and I simply cannot get it to work.
MY CONFIGURATION:
Speedstream 4200 DSL modem w/ethernet line to NETGEAR Wireless Router (WPN824). The router connects with CAT5 cable to my Windows XP server computer (which has the latest Apache and PHP). Wirelss signal is used for my other computer.
I am running Apache with no-ip as well. My site name is: [url]
MY PROBLEM:
I have set up HTTP port forwarding in my modem (which for some reason acts as a router as well) to port 80, with my server address as 192.168.254.10 The problem is that I cannot connect to my web site within my network. My friend is able to view the website from his home.
I am not able to configure my NETGEAR router to accept the port forwarding of 192.168.254.10 because it isn't a "valid LAN address" --- but I can't configure my modem to use a different address either.
1. My modem is plugged into the Internet Port on my WPN824
2. My XP server is plugged into one of the four LAN PORTS on my WPN824
3. My modem is set to forward port 80 to 192.168.254.10
4. My WPN824 is set to forward port 80 to your XP server address 192.168.1.3
Obviously something is wrong with my guess, because just forwarding the modem to 192.168.254.10 doesn't seem like it could get my friend connected all the way through to your Apache server.
IP ADDRESSES:
Default Gateway: 192.168.254.254
XP/Apache: 192.168.1.3
Speedstream 4200 Modem: 192.168.254.254
NETGEAR: 192.168.1.1
Server (forwarded on 80): 192.168.254.10
The 'default gateway' is set to (according to an ipconfig run) 192.168.1.1 (NETGEAR router) However, the 'default gateway' in the NETGEAR router page says that "gateway IP address" is 192.168.254.254 (modem)...
STATIC IP?
Also, my Network Connections is set to 'obtain IP address automatically'. I have tried to set it to a static IP, but it doesn't work. The router wil not allow me to forward to the server with any IP that is?.254.?
Unfortunately, this setup is very complicated and I think that something is conflicting.
I have this felling that I'm really close but that something very small is in the way.
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Jul 1, 2009
I did an apache rebuild and about two hours later, my mysql stopped working.
So i tried various rebuilds to see if perhaps it was suoshin (this caused php to stop working on my server before) but to no avail, this hasnt fixed it. I cant even access the databases via phpmyadmin.
I've restarted the mysql server, apache, i've rebooted a couple times. I don't know what to do.
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Apr 24, 2008
I have a dedicated server, on this server I have only 2 website.
I created an account before and that account work correctly.
now I created a new account and when I trying to run a simple php file show me "Internal Server Error".
I can view html files and I haven't .htaccess file .
Server Inofrmation:
CentOS , cPanel , Apache 2, PHP 5
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Oct 23, 2008
I have order 2 servers from ftp at October 12 2008, both are setup at same time!
At October 13, the general support tell me that server have been hacked? I haven't start using both servers, why them are been hacked? they said the problem is sloved... so ok...
I got plesk installed on both server, but both server ftp not working. the ftp module is installed but i cannot connect from anywhere on the work!
I create 4 new ticket to sales, general support and billing, but no one want slove the problem, they reply me like this:
""We offer only the default OS installs.
The helpdesk does not provide support in configuration of any software packages. You may however contact our managed services department at help@fdcservers.net for a price/availability quote. If you would like us to move your ticket to their department, please let us know.""
the server is setup error and got hacker attack it, they just leave it without doing anything, what should i do?
I already write a ticket to cancel servers, but until now no response!
I just want you guy to know, If alphared don't have problems, i will still stay with them! I will never use FDCservers any more!
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Aug 12, 2007
is there a way to change your server so that if you're trying to link to site.com/a/page.html through a link on site.com/b/page.html you can simply put /a/page.html instead of having to put ../a/page.html? I've noticed that some sites don't use the .. and was wondering how I could do the same.
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Jul 31, 2007
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Dec 10, 2007
i want to install a red5 streaming server on FreeBSD6.2
The install was no problem and i get no errors.
So far so good.
But, i want to stream with the rtmp protocal so i used flv player to test. The link i tried was rtmp://xxx.xxx.xxx.xxx/oflaDemo/Transformers.flv (standard red5 example file)
But i get nothing on the screen, i tried a lot of other urls but no succes, red5 seems to work (see below for details)
How can i test of red5 works after a standard installation?
Netstat -ant
tcp4 0 0 xxx.xxx.xxx.xxx.1935 *.* LISTEN
tcp4 0 0 xxx.xxx.xxx.xxx.5080 *.* LISTEN
tcp4 0 0 xxx.xxx.xxx.xxx.8088 *.* LISTEN
conf/red5.properties
# HTTP
http.host=xxx.xxx.xxx.xxx
http.port=5080
# RTMP
rtmp.host=xxx.xxx.xxx.xxx
rtmp.port=1935
rtmp.event_threads_core=16
rtmp.event_threads_max=32
# event threads queue: -1 unbounded, 0 direct (no queue), n bounded queue
rtmp.event_threads_queue=-1
rtmp.event_threads_keepalive=60
rtmp.send_buffer_size=271360
rtmp.receive_buffer_size=65536
rtmp.ping_interval=5000
rtmp.max_inactivity=60000
# RTMPT
rtmpt.host=xxx.xxx.xxx.xxx
rtmpt.port=8088
rtmpt.ping_interval=5000
rtmpt.max_inactivity=60000
# Debug proxy (needs to be activated in red5-core.xml)
proxy.source_host=127.0.0.1
proxy.source_port=1936
proxy.destination_host=127.0.0.1
proxy.destination_port=1935
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Dec 8, 2006
we've been running our software on apache 1.3 for years with no problems. We have a new server running apache2 and now none of our mod_rewrite works. Is there something extra that needs to be done with apache 2 to get mod_rewrite working? The module is definitely loaded (first thing I checked). If we turn on allowOverride from None to All in the httpd.conf we get completely blank pages. Our regular php pages work fine with allowoverride set to none, but they all break when it is set to all. Please help. This is the second time we have run into this on apache 2 servers.
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Jun 2, 2008
I have a dedicated server with a provider. They have a notice period of 30 days, to cancel the server. The billing date of the server is 13th of every month.
I sent them the cancellation form on 30th of last month, asking them to terminate the server by 1st of next month (thereby 30 days notice). But they say that they will bill me on this 13th for another full month, and they'll cancel the server only on 13th of next month! WTF? So, the notice period becomes 43 days!
I have never experienced something like this with other providers I'm using but just wanted to know..
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Apr 1, 2008
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We've looked into the cheapest (server4you, serverpront) but their cheapest servers can't be customized.
As we are looking for cheapest solutions we are going to have a copy of this backup on another (cheap) DC. So we need 2 cheap places.
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Sep 5, 2007
I am running FC2 with cPanel.
My server stopped responding to everything from http to ping and I had to do a hard reboot on it.
Now, I'd like to figure out what happened but am not sure where to start. I've been sifting through /var/log/messages but can't pin point what I'm looking for.
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Oct 17, 2013
I know that port 80 is reserved for HTTP communication to clients on the apache server,and that the client can receive the HTTP response to any port on the client machine, I think there might be more details to it than this. I am required to describe how client and server sockets are used for the client/server communication between an Apache Web server and Web client processes.
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