Moved Servers - Major Email Screw Up
Sep 18, 2008
I host a handful of domains, using a whm/cpanel setup. It came time for me to move to a new server, and here's the process I took:
1. I created accounts for all domains on the new server.
2. Created all relevant mail accounts for each domain on the new server
3. Restored all of the files for each sub account on the new server
4. Updated the DNS for each sub account to point to the new server
I didn't, however, move my main domain to the new server yet. On top of that, I use Google to manage the mail for my main domain.
Now when I try to send email to one of the accounts for any sub domains (that is on the new server), the email bounces back as undeliverable.
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Jun 20, 2008
I was a webhost from a while ago leasing dedicated servers and eventually went to work for the datacenter where I had my colo. For a while now I've working with a neat group of 5-6 other folks programming a new uptime monitor/geo-dispersed server load testing system/software. We were looking for possible partners to keep hosting costs down during the alpha stage of the project but while we were drawing up the papers, we saw just too much opportunity for a conflict of interest to arise and realized we couldn't realistically associate ourselves with any single company to that degree. So after a little work and fundraising, we're finally in a position to either lease some servers or colo.
Since I've been out of the loop for a while, I just want to know who the major/reliable players are when it comes to leasing or colo machines in multiple areas (ideally East, Middle, West, Canada and Europe/Asia? We would prefer to be with one company for ease of billing and have our network of monitoring stations spread out geographically. But we don't want all of our eggs in one basket so if a provider goes belly-up or decides to hike our rates 30-40% with little notice, we won't have too much to worry about.
We're watching what we spend during the alpha stage very closely, but I've been insisting we can strike the right balance between cost and reliability (connectivity).
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Apr 24, 2007
I recently moved a site from a hosting company to a VPS. I updated the name servers with the domain name registrar and the transfer went smoothly.
However one thing does have me puzzled. As I understand it (and correct me if I am wrong) my new hosting company are now the authority for my zone and should have a zone file which points my domain name at one of their IP addresses? However my previous host has a webbased email panel - if I log in to it I can still send email (but not recieve). This has confused me as I would have thought that my new ISP would have a zone file with an MX record for my email? How is this possible?
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May 31, 2008
there is no one didnot hear about the Price increased @ LT
so i may need to know and ask evry body..
where did you moved ?
or
where are you think to be moved to?
i'll be more than happey if you help us and tell us with why did you moved to this one
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May 14, 2007
I have been having a very hard time tracking down the source/cause of this surge in email. My server has been sending out thousands of spam emails under the nobody account. So far I have done the following:
Created a spam_log to monitor php/cgi mail scripts
Secured firewall and setup monitoring & automatic ip ban of dictionary attacks in exim
Secured the /tmp folder
Updated server to latest STABLE version of cpanel
Scanned server with rootcheck kit
Here is a sample email that is getting bounced back. I have nearly 60,000 bounced emails in the queue with similar messages.
Quote:
Headers spool file 1Hndfh-0001A4-0G-H
mailnull 47 12
<>
1179161117 0
-ident mailnull
-received_protocol local
-body_linecount 72
-allow_unqualified_recipient
-allow_unqualified_sender
-localerror
XX
1
nobody@whm.mav-hosting.com
156P Received: from mailnull by whm.mav-hosting.com with local (Exim 4.63)
id 1Hndfh-0001A4-0G
for nobody@whm.mav-hosting.com; Mon, 14 May 2007 11:45:17 -0500
039 X-Failed-Recipients: beyp@ttnet.net.tr
029 Auto-Submitted: auto-replied
063F From: Mail Delivery System <Mailer-Daemon@whm.mav-hosting.com>
031T To: nobody@whm.mav-hosting.com
059 Subject: Mail delivery failed: returning message to sender
052I Message-Id: <E1Hndfh-0001A4-0G@whm.mav-hosting.com>
038 Date: Mon, 14 May 2007 11:45:17 -0500
Data spool file 1Hndfh-0001A4-0G-D
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
beyp@ttnet.net.tr
SMTP error from remote mail server after RCPT TO:<beyp@ttnet.net.tr>:
host ttfarm.ttnet.net.tr [212.175.13.134]: 550 Invalid recipient:
<beyp@ttnet.net.tr>
------ This is a copy of the message, including all the headers. ------
Return-path: <nobody@whm.mav-hosting.com>
Received: from nobody by whm.mav-hosting.com with local (Exim 4.63)
(envelope-from <nobody@whm.mav-hosting.com>)
id 1HnaLG-0007Jz-CX
for beyp@ttnet.net.tr; Mon, 14 May 2007 08:11:58 -0500
To: beyp@ttnet.net.tr
Subject: Interaktif Bankacilik Hesabiniz
From: Ak Bank <acc@akbank.com.tr>
Reply-To:
MIME-Version: 1.0
Content-Type: text/html
Content-Transfer-Encoding: 8bit
Message-Id: <E1HnaLG-0007Jz-CX@whm.mav-hosting.com>
Sender: Nobody <nobody@whm.mav-hosting.com>
Date: Mon, 14 May 2007 08:11:58 -0500
**CONTENT OF SPAM MESSAGE REMOVED**
I removed the content of spam so it's not posted on the forum
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Oct 13, 2009
I run a cpanel server, lets call it coffman for the time being.
I have all my name server set to:
ns1.domain.com
ns2.domain.com
ns3.domain.com
and
ns4.domain.com
I am running this on a "Centos" 5.3 system with cpanel.
I also have a vps, also known as a "3linode". We will call it "communication". I have had to reboot my web server, and can not have even that five minutes down off email. I am curious:
a: i have on "communication" "Debian"
b. I want to be able to keep the "domain.com" on the main "centos"5.3 system.
c: I however, want all mail sent to an @domain.com moved to the "Debian" system.
d: I also have staff members, and at some point, i hope to host a few things on the Debian system, so will then want to have the ability to set for example, staff.domain.com to go to the Debian system.
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Jan 7, 2008
Paypal started sending me notices that it was unable to connect to my IPN (I'm using modernbill v4) yet I used it without a problem for 3 years.
The sent this message in response to my support inquiry:
I have had the IPN logs checked and show that, on recent transactions, your Web server returned an HTTP 200 OK on some of the transactions. Transactions were pulled from:
Date: Fri, 04 Jan 2008 15:00:09 GMT and Date: Thu, 03 Jan 2008 22:20:48 GMT
The reason that you are receiving the E-mail in question is due to your server not responding with an HTTP 200 OK rsponse. When this happens, the PayPal system attempts to resend the IPN POST for up to four days at which time the E-mail in question is generated to inform the merchant of issues with the IPN script.
This issue is not a PayPal issue, but is rather caused by your server's response to IPN POSTs sent to the IPN Script.
Can someone please help me trace this problem?
This is what my server is using:
Modernbill v4.4 stable
Centos 4.6
CSF Firewall
Cpanel 11
Apache 2.2 / PHP 5.2.5
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Aug 5, 2008
Can anyone recommend a well-established VPS provider with facilities at a major EU connection point, preferably TheNetherlands? I need a small account for secondary DNS and MX, plus some caching experimentation. Might turn into an unmetered dedicated mega-server at the same location if things go as planned, so if you only have experience with dedi or colo at a certain host, feel free to chime in.
I'm already a colo-host and a cPanel distributor myself, so I don't need management or a control panel, just a minimal-install CentOS 5 VPS. (I'll be installing cPanel DNSonly) Here's the kicker though, like most USians, I only speak English (and some would say badly), so the host has to speak at least enough to get the account set up. (preferably has a site in English). The real deal-breaker is that they MUST have their own merchant account and accept credit cards for recurring billing. I will not use Paypal, Moneybookers, or any other 3rd-party processor that requires a registration or manual payments. That almost always indicates an amateur operation in someone's basement. Looking for something along the lines of ThePlanet, but in Amsterdam. (AmsterNet? PlanetDam? )
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Oct 14, 2007
I'm having a serious problem with Apache 2.0.54. I'm running Debian Sarge (3.1) and I cannot upgrade Apache (easily) so I am stuck using 2.0.54 (2.2+ are not supported on Sarge). I have been trying everything with config changes and different tweaks but Apache is giving me lots of trouble. Whenever I run "apache2ctl restart" Apache will crash and will not start. But when I run "apache2ctl start" Apache will run and in the log, it simply puts "[warn] pid file /var/run/apache2.pid overwritten -- Unclean shutdown of previous Apache run?". I get nothing else before or after I run those commands. Running "apache2ctl graceful" starts messing with it giving me "apache2 <defunct>" errors and "apache2ctl configtest" gives me nothing except "Syntax OK."
Here is my "apache2.conf" file:
Code:
# Based upon the NCSA server configuration files originally by Rob McCool.
# Changed extensively for the Debian package by Daniel Stone <daniel@sfarc.net>
# and also by Thom May <thom@debian.org>.
# ServerRoot: The top of the directory tree under which the server's
# configuration, error, and log files are kept.
#
# NOTE! If you intend to place this on an NFS (or otherwise network)
# mounted filesystem then please read the LockFile documentation
# (available at <URL:http://www.apache.org/docs/mod/core.html#lockfile>);
# you will save yourself a lot of trouble.
ServerRoot "/etc/apache2"
# The LockFile directive sets the path to the lockfile used when Apache
# is compiled with either USE_FCNTL_SERIALIZED_ACCEPT or
# USE_FLOCK_SERIALIZED_ACCEPT. This directive should normally be left at
# its default value. The main reason for changing it is if the logs
# directory is NFS mounted, since the lockfile MUST BE STORED ON A LOCAL
# DISK. The PID of the main server process is automatically appended to
# the filename.
LockFile /var/lock/apache2/accept.lock
# PidFile: The file in which the server should record its process
# identification number when it starts.
PidFile /var/run/apache2.pid
# Timeout: The number of seconds before receives and sends time out.
Timeout 300
# KeepAlive: Whether or not to allow persistent connections (more than
# one request per connection). Set to "Off" to deactivate.
KeepAlive On
# MaxKeepAliveRequests: The maximum number of requests to allow
# during a persistent connection. Set to 0 to allow an unlimited amount.
# We recommend you leave this number high, for maximum performance.
MaxKeepAliveRequests 100
# KeepAliveTimeout: Number of seconds to wait for the next request from the
# same client on the same connection.
KeepAliveTimeout 15
##
## Server-Pool Size Regulation (MPM specific)
##
# prefork MPM
# StartServers ......... number of server processes to start
# MinSpareServers ...... minimum number of server processes which are kept spare
# MaxSpareServers ...... maximum number of server processes which are kept spare
# MaxClients ........... maximum number of server processes allowed to start
# MaxRequestsPerChild .. maximum number of requests a server process serves
<IfModule prefork.c>
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 150
MaxRequestsPerChild 0
</IfModule>
# pthread MPM
# StartServers ......... initial number of server processes to start
# MaxClients ........... maximum number of server processes allowed to start
# MinSpareThreads ...... minimum number of worker threads which are kept spare
# MaxSpareThreads ...... maximum number of worker threads which are kept spare
# ThreadsPerChild ...... constant number of worker threads in each server process
# MaxRequestsPerChild .. maximum number of requests a server process serves
<IfModule worker.c>
StartServers 2
MaxClients 150
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 0
</IfModule>
# perchild MPM
# NumServers ........... constant number of server processes
# StartThreads ......... initial number of worker threads in each server process
# MinSpareThreads ...... minimum number of worker threads which are kept spare
# MaxSpareThreads ...... maximum number of worker threads which are kept spare
# MaxThreadsPerChild ... maximum number of worker threads in each server process
# MaxRequestsPerChild .. maximum number of connections per server process (then it dies)
<IfModule perchild.c>
NumServers 5
StartThreads 5
MinSpareThreads 5
MaxSpareThreads 10
MaxThreadsPerChild 20
MaxRequestsPerChild 0
AcceptMutex fcntl
</IfModule>
User www-data
Group www-data
# The following directives define some format nicknames for use with
# a CustomLog directive (see below).
LogFormat "%h %l %u %t "%r" %>s %b "%{Referer}i" "%{User-Agent}i"" combined
LogFormat "%h %l %u %t "%r" %>s %b" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent
# Global error log.
ErrorLog /var/log/apache2/error.log
# Include module configuration:
Include /etc/apache2/mods-enabled/*.load
Include /etc/apache2/mods-enabled/*.conf
# Include all the user configurations:
Include /etc/apache2/httpd.conf
# Include ports listing
Include /etc/apache2/ports.conf
# Include generic snippets of statements
Include /etc/apache2/conf.d/[^.#]*
#Let's have some Icons, shall we?
Alias /icons/ "/usr/share/apache2/icons/"
<Directory "/usr/share/apache2/icons">
Options Indexes MultiViews
AllowOverride None
Order allow,deny
Allow from all
</Directory>
# Set up the default error docs.
#
# Customizable error responses come in three flavors:
# 1) plain text 2) local redirects 3) external redirects
#
# Some examples:
#ErrorDocument 500 "The server made a boo boo."
#ErrorDocument 404 /missing.html
#ErrorDocument 404 "/cgi-bin/missing_handler.pl"
#ErrorDocument 402 http://www.example.com/subscription_info.html
#
#
# Putting this all together, we can Internationalize error responses.
#
# We use Alias to redirect any /error/HTTP_<error>.html.var response to
# our collection of by-error message multi-language collections. We use
# includes to substitute the appropriate text.
#
# You can modify the messages' appearance without changing any of the
# default HTTP_<error>.html.var files by adding the line;
#
# Alias /error/include/ "/your/include/path/"
#
# which allows you to create your own set of files by starting with the
# /usr/local/apache2/error/include/ files and
# copying them to /your/include/path/, even on a per-VirtualHost basis.
#
<IfModule mod_negotiation.c>
<IfModule mod_include.c>
Alias /error/ "/usr/share/apache2/error/"
<Directory "/usr/share/apache2/error">
AllowOverride None
Options IncludesNoExec
AddOutputFilter Includes html
AddHandler type-map var
Order allow,deny
Allow from all
LanguagePriority en es de fr
ForceLanguagePriority Prefer Fallback
</Directory>
ErrorDocument 400 /error/HTTP_BAD_REQUEST.html.var
ErrorDocument 401 /error/HTTP_UNAUTHORIZED.html.var
ErrorDocument 403 /error/HTTP_FORBIDDEN.html.var
ErrorDocument 404 /error/HTTP_NOT_FOUND.html.var
ErrorDocument 405 /error/HTTP_METHOD_NOT_ALLOWED.html.var
ErrorDocument 408 /error/HTTP_REQUEST_TIME_OUT.html.var
ErrorDocument 410 /error/HTTP_GONE.html.var
ErrorDocument 411 /error/HTTP_LENGTH_REQUIRED.html.var
ErrorDocument 412 /error/HTTP_PRECONDITION_FAILED.html.var
ErrorDocument 413 /error/HTTP_REQUEST_ENTITY_TOO_LARGE.html.var
ErrorDocument 414 /error/HTTP_REQUEST_URI_TOO_LARGE.html.var
ErrorDocument 415 /error/HTTP_SERVICE_UNAVAILABLE.html.var
ErrorDocument 500 /error/HTTP_INTERNAL_SERVER_ERROR.html.var
ErrorDocument 501 /error/HTTP_NOT_IMPLEMENTED.html.var
ErrorDocument 502 /error/HTTP_BAD_GATEWAY.html.var
ErrorDocument 503 /error/HTTP_SERVICE_UNAVAILABLE.html.var
ErrorDocument 506 /error/HTTP_VARIANT_ALSO_VARIES.html.var
</IfModule>
</IfModule>
DirectoryIndex index.html index.cgi index.pl index.php index.xhtml
# UserDir is now a module
#UserDir public_html
#UserDir disabled root
#<Directory /home/*/public_html>
# AllowOverride FileInfo AuthConfig Limit
# Options Indexes SymLinksIfOwnerMatch IncludesNoExec
#</Directory>
AccessFileName .htaccess
<Files ~ "^.ht">
Order allow,deny
Deny from all
</Files>
UseCanonicalName On
TypesConfig /etc/mime.types
DefaultType text/plain
HostnameLookups Off
IndexOptions FancyIndexing VersionSort
AddIconByEncoding (CMP,/icons/compressed.gif) x-compress x-gzip
AddIconByType (TXT,/icons/text.gif) text/*
AddIconByType (IMG,/icons/image2.gif) image/*
AddIconByType (SND,/icons/sound2.gif) audio/*
AddIconByType (VID,/icons/movie.gif) video/*
# This really should be .jpg.
AddIcon /icons/binary.gif .bin .exe
AddIcon /icons/binhex.gif .hqx
AddIcon /icons/tar.gif .tar
AddIcon /icons/world2.gif .wrl .wrl.gz .vrml .vrm .iv
AddIcon /icons/compressed.gif .Z .z .tgz .gz .zip
AddIcon /icons/a.gif .ps .ai .eps
AddIcon /icons/layout.gif .html .shtml .htm .pdf
AddIcon /icons/text.gif .txt
AddIcon /icons/c.gif .c
AddIcon /icons/p.gif .pl .py
AddIcon /icons/f.gif .for
AddIcon /icons/dvi.gif .dvi
AddIcon /icons/uuencoded.gif .uu
AddIcon /icons/script.gif .conf .sh .shar .csh .ksh .tcl
AddIcon /icons/tex.gif .tex
AddIcon /icons/bomb.gif core
AddIcon /icons/back.gif ..
AddIcon /icons/hand.right.gif README
AddIcon /icons/folder.gif ^^DIRECTORY^^
AddIcon /icons/blank.gif ^^BLANKICON^^
# This is from Matty J's patch. Anyone want to make the icons?
#AddIcon /icons/dirsymlink.jpg ^^SYMDIR^^
#AddIcon /icons/symlink.jpg ^^SYMLINK^^
DefaultIcon /icons/unknown.gif
ReadmeName README.html
HeaderName HEADER.html
IndexIgnore .??* *~ *# HEADER* RCS CVS *,t
AddEncoding x-compress Z
AddEncoding x-gzip gz tgz
AddLanguage da .dk
AddLanguage nl .nl
AddLanguage en .en
AddLanguage et .et
AddLanguage fr .fr
AddLanguage de .de
AddLanguage el .el
AddLanguage it .it
AddLanguage ja .ja
AddLanguage pl .po
AddLanguage ko .ko
AddLanguage pt .pt
AddLanguage no .no
AddLanguage pt-br .pt-br
AddLanguage ltz .ltz
AddLanguage ca .ca
AddLanguage es .es
AddLanguage sv .se
AddLanguage cz .cz
AddLanguage ru .ru
AddLanguage tw .tw
AddLanguage zh-tw .tw
LanguagePriority en da nl et fr de el it ja ko no pl pt pt-br ltz ca es sv tw
#AddDefaultCharset ISO-8859-1
AddCharset ISO-8859-1 .iso8859-1 .latin1
AddCharset ISO-8859-2 .iso8859-2 .latin2 .cen
AddCharset ISO-8859-3 .iso8859-3 .latin3
AddCharset ISO-8859-4 .iso8859-4 .latin4
AddCharset ISO-8859-5 .iso8859-5 .latin5 .cyr .iso-ru
AddCharset ISO-8859-6 .iso8859-6 .latin6 .arb
AddCharset ISO-8859-7 .iso8859-7 .latin7 .grk
AddCharset ISO-8859-8 .iso8859-8 .latin8 .heb
AddCharset ISO-8859-9 .iso8859-9 .latin9 .trk
AddCharset ISO-2022-JP .iso2022-jp .jis
AddCharset ISO-2022-KR .iso2022-kr .kis
AddCharset ISO-2022-CN .iso2022-cn .cis
AddCharset Big5 .Big5 .big5
# For russian, more than one charset is used (depends on client, mostly):
AddCharset WINDOWS-1251 .cp-1251 .win-1251
AddCharset CP866 .cp866
AddCharset KOI8-r .koi8-r .koi8-ru
AddCharset KOI8-ru .koi8-uk .ua
AddCharset ISO-10646-UCS-2 .ucs2
AddCharset ISO-10646-UCS-4 .ucs4
AddCharset UTF-8 .utf8
AddCharset GB2312 .gb2312 .gb
AddCharset utf-7 .utf7
AddCharset utf-8 .utf8
AddCharset big5 .big5 .b5
AddCharset EUC-TW .euc-tw
AddCharset EUC-JP .euc-jp
AddCharset EUC-KR .euc-kr
AddCharset shift_jis .sjis
#AddType application/x-httpd-php .php
#AddType application/x-httpd-php-source .phps
AddType application/x-tar .tgz
# To use CGI scripts outside /cgi-bin/:
#
#AddHandler cgi-script .cgi
# To use server-parsed HTML files
#
<FilesMatch ".shtml(..+)?$">
SetOutputFilter INCLUDES
</FilesMatch>
# If you wish to use server-parsed imagemap files, use
#
#AddHandler imap-file map
BrowserMatch "Mozilla/2" nokeepalive
BrowserMatch "MSIE 4.0b2;" nokeepalive downgrade-1.0 force-response-1.0
BrowserMatch "RealPlayer 4.0" force-response-1.0
BrowserMatch "Java/1.0" force-response-1.0
BrowserMatch "JDK/1.0" force-response-1.0
#
# The following directive disables redirects on non-GET requests for
# a directory that does not include the trailing slash. This fixes a
# problem with Microsoft WebFolders which does not appropriately handle
# redirects for folders with DAV methods.
#
BrowserMatch "Microsoft Data Access Internet Publishing Provider" redirect-carefully
BrowserMatch "^WebDrive" redirect-carefully
BrowserMatch "^gnome-vfs" redirect-carefully
BrowserMatch "^WebDAVFS/1.[012]" redirect-carefully
# Allow server status reports, with the URL of http://servername/server-status
# Change the ".your_domain.com" to match your domain to enable.
#
#<Location /server-status>
# SetHandler server-status
# Order deny,allow
# Deny from all
# Allow from .your_domain.com
#</Location>
# Allow remote server configuration reports, with the URL of
# http://servername/server-info (requires that mod_info.c be loaded).
# Change the ".your_domain.com" to match your domain to enable.
#
#<Location /server-info>
# SetHandler server-info
# Order deny,allow
# Deny from all
# Allow from .your_domain.com
#</Location>
# Enables SSI
Options +Includes
LoadModule layout_module /usr/lib/apache2/modules/liblayout.so
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP_REFERER} ^$
RewriteCond %{HTTP_USER_AGENT} ^$
RewriteCond %{REQUEST_URI} ^/$
RewriteRule ^/.* http://%{REMOTE_ADDR}/ [L,E=nolog:1]
</IfModule>
# Include the virtual host configurations:
Include /etc/apache2/sites-available/[^.#]*
And here's my "httpd.conf" file:
Code:
# This is here for backwards compatability reasons and to support
# installing 3rd party modules directly via apxs2, rather than
# through the /etc/apache2/mods-{available,enabled} mechanism.
#
#LoadModule mod_placeholder /usr/lib/apache2/modules/mod_placeholder.so
<VirtualHost 66.150.225.201:80>
#
#User vu2004
#Group vu2004
#
#
#SuexecUserGroup vu2004 vu2004
#
ServerAdmin todd@datacomponents.net
DocumentRoot /var/www
ServerName xetaspace.net
ServerAlias www.xetaspace.net xetaspace.net
ErrorLog /var/log/apache2/users/xetaspace.net-error.log
TransferLog /var/log/apache2/users/xetaspace.net-access.log
# httpd dmn entry cgi support BEGIN.
# httpd dmn entry cgi support END.
# httpd dmn entry PHP2 support BEGIN.
php_admin_value open_basedir "/var/www/:/usr/share/php/:/tmp/"
# httpd dmn entry PHP2 support END.
<Directory /var/www>
# httpd dmn entry PHP support BEGIN.
# httpd dmn entry PHP support END.
Options Indexes Includes FollowSymLinks MultiViews
AllowOverride All
Order allow,deny
Allow from all
</Directory>
</VirtualHost>
I am on the end of my rope with Apache and feel like just formatting the server and reinstalling Apache. Which reminds me, I did try using apt-get to remove and install Apache again but nothing worked.
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Apr 12, 2007
I have server A serving the website for my domain example.com and server B handling email for the same domain example.com.
Apart from one problem everything is working the way it should. The problem is that all email originating from server A (the one hosting the website) to someone@example.com is delivered locally (server A) and never gets out where it could be routed correctly to server B.
What needs to be done to deliver mail originating from server A to server B?
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Jan 4, 2007
I'm experiencing some issues that I thought were something normal, or something that you could expect when working like this, but I think that it is something that should NOT happen.
We own a dedicated server, where we host some sites we develop (around 80 right now). We usually host both email and web page in the same server, but recently we had two customers who wanted to host email in a different place. The first one has its own server with proxy, and the second one is waiting the previous company to change DNS values.
The problem shows when we try to send an email from ANY domain hosted in our server, to one of these domains. From Outlook, the error is something like "no such user found", but the REAL problem comes when a PHP script (usually a contact form) tries to send the email. This mails get simply lost, and the customer never receives them.
My question is: What do I configure, or how do I do so my webserver looks for the real DNS, instead of trying to send the mail directly to the local domain?
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Mar 30, 2008
Here I am thinking about sites that are in top 10K according to Alexa. If yes please list few of them here...
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Mar 8, 2009
Anyone else notice the huge outage at Surpass? My sites went down as I was editing one, and checking the server status returns a very, very long list of downed servers. Since the Surmunity Forums appear to be down as well, I was wondering if anyone here had found out what was up via other means, and whether or not there is any estimate on when it might come back up.
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Oct 16, 2009
I'm starting to test out VPS panels and found vePortal 2. I purchased it and installed it. Now I'm checking some security, as we all know about the terrible result of HyperVM as everyone blindly used it because it was "pretty" but it was not secure.
Some serious concerns I'd like to share with vePortal 2.
1) It makes no backups of any of the files it modifies during install, or so I haven't seen any, like httpd.conf.... more of a pain than anything. There is no way to auto uninstall it either..
2) vePortal gives full root access to the Apache user, letting apache run any root commands!
They add this to your /etc/sudoers
apache ALL=(root) NOPASSWD:ALL
[root@nd11108 myadmin]# su -s /bin/sh apache -c "whoami"
apache
[root@nd11108 myadmin]# su -s /bin/sh apache -c "sudo whoami"
root
This is a root exploit waiting to happen. I asked them about this and got the response.
Quote:
It would be a security breach if a) apache was allowed SSHD Access, or b) the server was running scripts that havn't been marked secure, We have a very comprehensive team of beta testers including one of the largest providers around, They and their staff have not been able to break the security or integrity of the panel as of yet.
All panels in one way or another have root control over the system, for example they wouldnt be able to have a SSH Console without it, as only specified commands would work, we do have a list of the commands required by vePortal if you wish to limit it, but the console and the Shell Commander functions would stop working.
Regards,
Gavin H.
Chief Information Officer
That's funny I have been using the panel a few minutes and already found they've ignored the biggest security hole possible..
3) In 5 minutes I've found multiple XSS vulnerabilities in the admin area... Like search customers, I was able to generate JavaScript alerts in multiple fields....
4) It stores the MySQL root password in clear text in a .php file... yeah that's real secure. Why does it even operate under the MySQL root user, its using a single database....
5) I forgot to add, it doesn't recognize ANY OpenVZ Vps's you've created manually. It has no idea they exist and you cannot view them at all.
I'm sure I could dig deeper into the source code and find more but it's not worth it. Judging by what I found without actually trying to spend time on security I completely removed the product.
The panel does look nice but it sure gets a mark of insecure for me, I would advise others seriously look into the security of this new panel if you're considering using it.
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Oct 2, 2007
I have an issue here. httpd is slagging big time and my max clients is 300.
I see this when running netstat
Code:
root@server5 [~]# netstat
Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 websitesforafrica.com:http 190.42.243.192:1916 SYN_RECV
tcp 0 0 websitesforafrica.com:http 200.121.167.193:11641 SYN_RECV
tcp 0 0 websitesforafrica.com:http client-201.230.113.17:14327 SYN_RECV
tcp 0 0 websitesforafrica.com:http 190.42.84.253:3244 SYN_RECV
tcp 0 0 websitesforafrica.com:http 201.230.98.64:15059 SYN_RECV
tcp 0 0 websitesforafrica.com:http 166.114.122.41:62881 SYN_RECV
tcp 0 0 websitesforafrica.com:http 190.42.151.252:17097 SYN_RECV
tcp 0 0 websitesforafrica.com:http 190.41.24.108:3421 SYN_RECV
tcp 0 0 websitesforafrica.com:http 190.43.1.42:1392 SYN_RECV
tcp 0 0 websitesforafrica.com:http 201.230.79.5:60836 SYN_RECV
tcp 0 0 websitesforafrica.com:http client-200.121.153.56:27208 SYN_RECV
Code:
root@server5 [~]# netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -nr
48 190.42.66.138
39 190.154.6.203
28 190.40.51.130
23 200.121.81.76
14 207.67.35.142
13 201.230.224.200
13
11 201.240.178.114
11 190.77.9.81
10 201.230.113.175
10 200.58.160.148
10 190.41.5.161
9 201.230.254.69
9 201.230.135.146
9 190.43.187.139
8 200.60.248.119
7 72.14.195.205
7 190.42.48.224
6 200.121.7.31
6 200.121.223.55
6 200.121.141.48
6 200.121.141.186
6 200.106.37.206
6 190.42.51.165
6 190.41.64.13
5 201.250.55.166
5 201.240.42.233
5 201.240.3.61
5 201.240.113.73
5 201.240.0.94
5 201.208.123.190
5 200.87.203.94
5 200.121.171.61
5 200.121.136.238
5 200.106.47.236
5 190.42.71.207
5 190.42.221.73
5 190.42.194.20
5 190.42.152.250
5 190.41.32.40
4 201.240.48.131
4 201.240.205.141
4 201.240.196.217
4 201.240.124.201
4 201.240.124.131
4 201.230.233.68
4 201.230.195.165
4 201.230.129.58
4 201.222.87.163
How do I find out the cause of this? I have no idea who websitesforafrica.com is anyway
root@server5 [~]# ps aux | grep -c httpd
502
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Feb 16, 2007
What is everyone using for IMAP-P ?
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Apr 2, 2009
My company's domain is mycompany.com and we are hosting our corporate website in our own datacenter.
Now I want to create another website subdomain, site1.mycompany.com, to be hosted in an external third party datacenter.
Is it possible for me to send out email from the third party servers using the address info@site1.mycompany.com? I do not want to spoof any outgoing mail.
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Jul 2, 2008
How can I prevent spam email to be send out by my servers?
How can I restrict how many emails per hour can be send based on domain name? I know hostgator and hostmonster has that type configuration.
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Jun 27, 2007
one of my new customer demand "Email Hosting on Multiple Servers"
I don't understand what they want, i have two VPS with CPanel.
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Jun 8, 2008
I have fairly a large web site that has a forum and a torrent tracker.
Currently MySQL server is handling about 150 queries an avarage per second.
Here is the server spec:
Core2Duo 2.66Ghz
4Gb RAM
320GB SATA 7200RPM (Server provider does not have 1.5K RPM nor 1.0k RPM)
100Mbit Connection (servers on the same switch and the switch does not have 1Gbit port)
MySQL Version: 5.0.51a
I had Master-Master Replication setup with forum running on one and the tracker running on the other.
Although this has been working for about few days, we started seeing lags in the replication process.
After a week, there is a major lag and the changes made on one of the servers takes about 5 hours to appear on the another.
So, this doesn't work.
What would be the other ways of splitting MySQL queries concerning the same database?
While I was researching, I read about MySQL Cluster with database storage engine being NDB.
But, let's say that there is a power failure on both the nodes at the same time, then I would lose the whole database as the database is stored on the memory correct?
I would not like to take that chance either, but if this is faster then replication method then maybe I will concider.
I thought about editing the forum coding to make all queries that concerns the tracker to go in to, say server B (with forum's primary MySQL server being Server A), and make the tracker use server B as MySQL backend, but it seemed like a heavy work so that will be the last choice.
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May 16, 2007
I have just discovered a massive security in the CPANEL 10.9 software. This problem is in the BACKUP FEATURE. If you do remote ftp back onto the same account. It will put the file in the account home directory and it will have this type of stuff accountname:ROOTPASSWORD@serverhostname.com
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Feb 8, 2008
I'm trying to see if it's possible to have 2 email addresses on the same domain (e.g. email1@domain.com and email2@domain.com) but are handled by 2 different email servers (e.g. mail.domain1.com and mail.domain2.com)?
To put it into context, I have a domain hosted on my dedicated server and a couple of email accounts set up on it. I also have another mail account set up on a different server but with the same domain. I was wondering if maybe something could be done with the DNS to allow the 'external' mail account to be handled by the other server?
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Jun 11, 2007
1U colo, 1 mbps, 1 amp power in major China cities
Must have premium, mulit-homed bandwidth, with great connectivity to the US
Must have local cable TV cross-connect via coax, s-video, etc.
Prefer remote reboot
Some or all of the following:
Shanghai, Beijing, Chongqing, Tianjin, Wuhan, Harbin, Shengyang , Guangzhou
OK to have colo and cctv cross-connect in one or more cities - you dont have to do them all.
We do NOT need colo without the cctv availability.
Will need a /30 address space.
1 year minimum contract
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Jan 30, 2007
It seems that all of the emails sent from clientexec to the major carriers (gmail, yahoo, msn etc.,) are being either blocked completely or marked as spam (msn).
When I send an email from outlook from the same domain client exec is on the email goes through fine.
I have added an SPF Record and my domain is not "blacklisted" for spam anywhere.
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Oct 9, 2007
Since I moved to vps emails are some how being blocked by hotmail.
I have a forum which needs email activation but those registering with hotmail do not receive emails
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Jun 7, 2007
Now cpanel is having some issues. Certain places acknowledge the new IP, others don't. IE all of my nameservers are still set to the old IP's and I can't seem to change them because they are already asigned to the old ones, etc. What can I do to try to fix all of this? Is there an easy tool? Is there a file I can just change?
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Jun 5, 2007
Question for people who have moved to InnoDB: I wonder if it is worthwhile?
I don't care about ACID compliance, my only interest is in the row level locking which I do not get with large MYISAM tables which do table locking and clog up everything. I have a huge database that needs frequent updates, like 50,000 per hour. I also don't care about InnoDB's large size of indexes and such, I have lots of hard disk to throw at it.
My fear is with the backup of InnoDB tables, and the fact that it is not as simple to "fire up" the tables when I restart the database. MySQL manual suggests something like a query to "Warm up" the tables.
Any thoughts would be great, and if possible, any help with what settings you use. FYI, I am on a 4GB RAM machine with dual Core2Duo procs. When I tried the following in my.cnf for the InnoDB stuff ---
Code:
#skip-innodb
innodb_buffer_pool_size=1G
# Set the log file size to about 25% of the buffer pool size
innodb_log_file_size=250M
innodb_log_buffer_size=8M
innodb_data_file_path=/idbdata1:200M:autoextend
innodb_additional_mem_pool_size=20M
innodb_log_group_home_dir = /iblogs
innodb_log_files_in_group = 2
innodb_flush_log_at_trx_commit=1
innodb_lock_wait_timeout=10
--- the MySQLD wouldn't start! Question about the stuff in red: what're those paths for?
Do I need to create those paths?
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Jul 3, 2007
I been reading this forum for a while now and now i have a VPS for my blog. The reason i moved from shared to VPS was due to my old webhost told me i was usuing to many CPU power and it was causing the server to crash.
Now with the VPS same thing is still happening. My apache keeps hanging due to too many connections and only way to bring my site up is rebooting the VPS. i contacted the webhosting and they have me setup a cronjob to restar httpd every hour but that still doesnt do it.
This is killing me. I get around 1 million hits a month on my blog. I tried optimizing my apache and sql with the instructions i found here but it didnt help.
this is the plan i have:
Disk Space 30,000 MB (30 GB)
CPU Limit Equal Share
Guranteed Memory 256 MB
Burstable Memory 1024 MB
Monthly Bandwidth 2,000 GB
Control Panel cPanel / WHM
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Mar 8, 2008
I recently switched over to SoftLayer for dedicated hosting and the servers are great. However we've been getting hit on and off with massive (50-80%) packet loss, which has been crippling our performance and causing all sorts of problems
I put in a support ticket and they linked me to the Internet Health Report website and said it was due to one of their bandwidth providers (I think Global CrossinG) and not on their internal network and to be patient as it could take time to resolve
Are any other SoftLayer customers going through this? Is this an unusual occurrence? I feel like if it was really one of their partners that it would be affecting a lot of their customers and it would be a high priority issue right?
I'm kind of stuck on what to do; I just invested a lot of energy into moving content onto these new servers and am concerned about whether to wait it out or whether to start finding a new company. This kind of packet loss is really unacceptable...
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