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  • Exchange 2010 sends out spam.

    - by Magnus Gladh
    Hi. I have an Exchange Server 2010, that uses a smart host to send out mails. A day ago the owner of smart host contact us and told us that we send out spam. I have try different open relay test on the net and all of them come back saying that this server is secured and can not be used as relay server. But I can see in my Exchange Queue Viewer that it keeps coming in new messages. Here is an example of how it looks. Identity: mailserver\3874\13128 Subject: Olevererbart:: [email protected] Pfizer -75% now Internet Message ID: <[email protected]> From Address: <> Status: Ready Size (KB): 6 Message Source Name: DSN Source IP: 255.255.255.255 SCL: -1 Date Received: 2010-12-09 21:46:22 Expiration Time: 2010-12-11 21:46:22 Last Error: Queue ID: mailserver\3874 Recipients: [email protected] How can I secure our exchange server more, to stop this from happening? Could I have got an virus that hooks up to our exchange server and send mail throw that? As I can see the From Address is always <, is there someway that I can stop sending mails that don't have a from address that I describe? Pleas help

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  • DDoS nulling to some ips and other options?

    - by Prix
    I am looking for some information in regards DDoS in the follow scenario: I have a server that is behind a Cisco Guard and it will be DDoS'ed, I only care about a set list of IPS that by not means are the attackers. Is it possible to null all other ips but this list to actually get any response to my server or in the long run no matter what I do if they have enough DDoS power I will just go down like a flie ? Is there any recommended company out there that can actually cope with a DDoS ? My server will mainly run several clients that will get connected to a external server and all it needs access to is my local MySQL the the private network so I can access it. There will be no other services runnings such as web or ftp etc at least not to the external ips of the server if i ever have to have any of these service they will be on the private network. The MySQL will be available externally only to 1 safe ip not known by anyone but me and internally at localhost + private network. Are there any solutions ?

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  • Postfix SMTP sends to localhost, ignores MX records set to Google Apps

    - by Kerrick
    I have the MX records for zaltin.com set to the Google Apps domains (aspmx.l.google.com etc.). If an email is sent to [email protected] from most places, it goes to my Google Apps account. However, on the zaltin.com server (Ubuntu 10.04 if it matters), sending via SMTP (postfix), if I send to [email protected] (via the Pony ruby gem if it matters), it simply routes to kerrick@localhost (showing up via the mail command) instead of going to my Google Apps account (where it should show up in my GApps Gmail inbox). Can I make email sent via SMTP on my server, through my server, not go to my server but to Google Apps?

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  • setting up a sub domain on windows hosting

    - by jason
    I'm trying to set up a sub domain for development on a windows server and am having problems setting the correct details in the httpd.ini file and hoped someone could help. I have set up the subdomain http://dev.website.com The files that I want to use for this subdomain are on the server in a folder called development http://www.website.com/development in the directory structure they are in /htdocs/development What do I need to add the the httpd.ini file to point the http://dev.website.com to the files located in the /htdocs/development folder on the server?

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  • User authentication -- username mismatch in IIS in ASP.NET application

    - by Cory Larson
    Last week, an employee's Active Directory username was changed (or a new one was created for them). For the purposes of this example, let's assume these usernames: Old: Domain\11111 New: Domain\22222 When this user now logs in using their new username, and attempts to browse to any one of a number of ASP.NET applications using only Windows Authentication (no Anonymous enabled), the system authenticates but our next layer of database-driven permissions prevents them from being authorized. We tracked it down to a mismatch of usernames between their logon account and who IIS thinks they are. Below are the outputs of several ASP.NET variables from apps running in a Windows 2008 IIS7.5 environment: Request.ServerVariables["AUTH_TYPE"]: Negotiate Request.ServerVariables["AUTH_USER"]: Domain\11111 Request.ServerVariables["LOGON_USER"]: Domain\22222 Request.ServerVariables["REMOTE_USER"]: Domain\11111 HttpContext.Current.User.Identity.Name: Domain\11111 System.Threading.Thread.CurrentPrincipal.Identity.Name: Domain\11111 From the above, I can see that only the LOGON_USER server variable has the correct value, which is the account the user used to log on to their machine. However, we use the "AUTH_USER" variable for looking up the database permissions. In a separate testing environment (completely different server: Windows 2003, IIS6), all of the above variables show "Domain\22222". So this seems to be a server-specific issue, like the credentials are somehow getting cached either on their machine or on the server (the former seems more plausible). So the question is: how do I confirm whether it's the user's machine or the server that is botching the request? How should I go about fixing this? I looked at the following two resources and will be giving the first one a try shortly: http://www.interworks.com/blogs/jvalente/2010/02/02/removing-saved-credentials-passwords-windows-xp-windows-vista-or-windows-7 http://stackoverflow.com/questions/2325005/classic-asp-request-servervariableslogon-user-returning-wrong-username/5299080#5299080 Thanks.

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  • how can i use apache log files to recreate usage scenario

    - by daigorocub
    Recently i installed a website that had too many requests and it was too slow. Many improvements have been made to the web site code and we've also bought a new server. I want to test the new server with exactly the same requests that made the old server slow. After that, i will double the requests, make new tests and so on. These requests are logged in the apache log files. So, I can parse those files and make some kind of script to make the same requests. Of course, in this case, the requests will be made only by my computer against the server, but hey, better than nothing. Questions: - is there some app that does this already? - would you use wget? ab? python script? Thanks!

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  • FTP Load Balancer on EC2

    - by inakiabt
    I need an EC2 instance to balance all incoming FTP connections to a list of FTP servers (EC2 instances too). This list will be changed dynamically due to the load of the FTP servers (launch a new FTP server when the FTP servers are overloaded or shutdown a FTP server when the load is low). What you recommend? a FTP proxy? DNS server? Load balancer? Note: The FTP servers must support Passive Mode

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  • Edit email messages in Exchange 2010

    - by vladon
    Is it possible to edit contents of e-mail messages (including headers) in any mailbox stored on Exchange Server (Exchange Server 2010 SP3 UR2 - 14.3.158.1)? Or, alternatively, edit the email messages in the OST file (of MS Outlook), so that they then can be synchronized with the Exchange server? PS. This is necessary for the same functionality as in this email editor in Gmail: Signal Extension for Chrome

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  • Do you use different wallpaper or background colors for dev, production servers?

    - by crosenblum
    I want to make it easier to distinguish between server's connected via rdp, without draining resources too much. Do any of you use any wallpaper, and if so, can you show any examples? Or do you use a custom desktop background color? Or do you use something like bginfo? Are there any good wallpaper sites, specifically for server wallpaper? To help distinguish what server you are on... Thanks..

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  • kill SIGABRT does not generate core file from daemon started from crontab.

    - by Guma
    I am running CentOS 5.5 and working on server application that sometimes I need to force core dump so I can see what is going on. If I start my server from shell and send kill SIGABRT, a core file is created. If I start same program from crontab and then I send the same signal to it the server is "killed" but no core file is generated. Does any one know why is that and what need to be added to my code or changed in system settings to allow core file generation? Just a side note I have ulimit set to unlimited in /etc/profile I have set kernel.core_uses_pid = 1 kernel.core_pattern=/var/cores/%h-%e-%p.core in /etc/sysctl.conf Also my server app was added to crontab under same login id as I am running it from shell. Any help greatly appreciated

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  • Windows VPN not authenticating from ADSL to Wireless link

    - by deanvz
    I have a normal windows VPN on a computer connecting to a 196.201.x.x/24 IP. If this VPN tries to connect from any address in the 41.x.x.x range it cant get there. The server is a normal windows 2008 server, running exchange with a PPPoE IP natted to a public IP on the public gateway of the wireless network as the server is on site and its connectivity is derived from Mikrotik RB's. The computer on the 41 range can traceroute and ping the server, but the VPN does not authenticate. When on the network or any other, the VPN works fine. Is there something that could be configured on the VPN client? All firewall settings of a standard ADSL router have been checked and found to block only ICMP's. Is this a VPN configuration problem or a network issue?

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  • How to Configure Sendmail / Webmin for second IP?

    - by user310594
    Hi, LAMP Centos5.4 Webmin Until recently I have had all domains using "server1.example.com" Now I have newdomain.com on second.ip.address.works (works for DNS that is) Please tell me how to setup sendmail so the mail is sent from the second ip address? This is new for me: IF I need to create a second server called "server2.domain2.com", then please tell exactly how since I'm only experienced with one server per VPS. Whether "server2.domain2.com" needs to be created or not, here is exactly what is needed: # Mail being sent from domains using ns1.example.com needs to be sent from that server and that IP. Mail being sent from domains using nsother.example2.com sent from that IP + how to set up the second server / hostname, if needed. Thank you.

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  • How do I run multiple MVC apps within a subdomain on IIS7?

    - by Matthew Patrick Cashatt
    Hello and thanks for looking. Background I am currently wrapping up a development contract and the client would like for me to push a build of the application to their IIS 7-based server in which they would like to run multiple MVC apps. One of the issues I have off of the bat is that this server is already a subdomain on their larger network. So, if I enter SERVERNAME in my browser, it automatically directs to SERVERNAME.COMPANYNAME.COM. Now, this is just fine if I place my application in the default website/root. In this scenario, clicking a link that requests admin.html directs to `SERVERNAME.COMPANYNAME.COM/admin.html' as usual. BUT they want me to place the app in a subdomain on this server so that they can also run other apps on the same server. So I assume that I need MYAPP.SERVERNAME.COMPANYNAME.COM but I have no idea how to do that. Complicating matters is that my app and the future ones they wish to install are all MVC based which intercepts and re-writes URLs. I assume that this takes care of itself if I can just successfully get my app into a subdomain to begin with. What I have tried Creating a new site on the server in it's own app pool Setting the binding for that site to MYAPP.SERVERNAME.COMPANYNAME.COM Setting the binding for that site to MYAPP Setting the binding for that site to MYAPP.SERVERNAME Setting the binding for that site to MYAPP.SERVERNAME.COM Setting the binding for that site to MYAPP.COMPANYNAME.COM Nothing is working. Am I missing something simple here? Thanks, Matt

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  • HP DL370 G6 expansion

    - by user72185
    Hi, we are running a HP DL370 server with 6 x 300 gb disks on RAID 5. Due to a Windows update causing our server to fail recently, we couldn't access the data. I now want to separate the data from the OS (Windows server 2008 r2) so that if anything like that happens again, we can route everyone through a separate server. I have seen these HP storageworks enclosures (msa70) and have a couple of questions: Can I just take out our 2.5 inch 10k SAS drives, install them in the new Storageworks NAS and hey presto we would be up and running? If I wanted to then add another drive (I think there are 25 bays), can I just insert a blank but identical drive and the RAID 5 would dynamically expand to incorporate the new drive. Many thanks Adrian

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  • Why is Nginx ignoring the access_log directive when post_action is specified?

    - by Chris
    Hi, in the location below nginx writes a custom download log. Everything works fine except when there is a post_action directive. I seems that nginx skips the access_log directive. Here is the config: location /download_intern/ { internal; if ($uri ~* ^/download_intern/([0-9]+)/) { set $transferID $1; set $server $arg_ip; set $url $arg_url; proxy_pass http://$server:80/$url; break; } log_format download '$remote_addr [$time_local] $upstream_cache_status "$scheme://$host$request_uri" $status [$transferID] $body_bytes_sent'; access_log /opt/nginx/logs/server.download_log download; # without this line the download log file is being written post_action /done; } location /done { internal; # log the transfer on the main server proxy_pass http://xxx.xxx.xxx.xxx:80/download_end/?tid=$transferID; }

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  • Update a war on Tomcat start up

    - by pater
    I want to setup an update process for an application running on Tomcat. The server which hosts tomcat is only open during working hours (it is an intraner application for a small company). I was thinking that I could upload the new war to the server and set up "something" to run on the next server boot. This something could be a bat file that will be executed on server start up but before the start up of the Tomcat service and it will delete the old war and its exploded folder. When I update manually the war I also delete the work folder of Tomcat (just to be sure). I know about hot deployment but I do not consider it an option since I am not very sure for the implications it might have on the users current working sessions. Is there a way to run such a bat file before Tomcat start up or an alternative way to do this update? Tomcat version isn't an issue. Now is running Tomcat 6 but I can upgrade to version 7 if needed.

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  • Sending mail results in "Sender address rejected: Domain not found"

    - by user1281413
    The setup: WHM/CPanel CentOS 5 server running Exim and Courier for mail services, and BIND for domain name services. I recently moved servers. The old server was running a HIGHLY similar configuration, and all accounts were ported via WHM. However, the server is unable to send, and sometimes receive email. Errors I am seeing (when I do get an error mail back) state: 450 4.1.8 : Sender address rejected: Domain not found Edit for clarity: this is the error response from remote mail servers. Numerous independent mail servers come back with the same error. (Email address is merely one valid example) My first instinct of course was to check the domain records. However, k-t.org appears to have a valid record (including an MX record), even after running it through domain checks on a completely different server elsewhere and online. Note that the issue appears to happen with all the domains hosted on the server, not just k-t.org I have also ensured that a PTR was created. My Googling has only lead me to people who had fairly basic DNS mistakes, but either I'm blind/dumb (possible, DNS is not my strong suite), or it's something that is a bit more archaic. I've run out of ideas, and I can't seem to find anything that could explain why servers are unable to resolve the domains. There doesn't seem to be anything missing or incorrect.

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  • Using sed to convert hex characters in postgresql dump file

    - by Bernt
    I am working on moving several databases from a Postgresql 8.3 server to a Postgresql 8.4 server. It has worked fine so far, but one base has given me some trouble. The database is listed as unicode-encoded in the 8.3-server, but somehow a client program has managed to inject some invalid unicode data into it. When I do a normal dump and restore using postgres' custom format, the new server won't accept it, complaining about unicode errors. My plan is to do a plain text dump of the database, then use sed to replace the invalid characters with nothing (they are not needed). But how do you make sed work on hex/binary values in a file?

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  • How to port forward https traffic via ssh and/or remote desktop to through several networks and PCs?

    - by donttellya
    I have the following environment: In company X I develop a application on a pc A in network A with ip address 192.168.100.50 which has to do an https request to an http server located in the intranet of company Y In company X is another pc B in network B with ip address 192.168.200.100 pc B (of company X) can access the intranet from company Y via ssh tunnel (putty) pc A (of company X) can ping pc B (of company X) note: pc A can also do a remote desktop connection to pc B) pc B can ping the http sever pc A can not ping the http server How can the https request from pc A of company X get to the http server of company Y? On which pc must be putty configured? And which settings for host, port forwarding etc. has to be done in putty? So finally the https request should go from PC A - PC B - Http Server in company Y.

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  • Exchange Management Console Listing Extra Servers

    - by Zak G
    I recently decommissioned an Old Exchange 2003 server. Prior to the decommissioning, the environment consisted of 2 EXCH 2010 and that one EXCH 2003 server. I went through all the steps listed in Microsoft documents and online in how to remove the server completely (pruning the AD and all that jazz). When I go to Exchange Management Console it still lists 3 total servers in the "Server Summary" column in the Organizational Health tab. When I click manage servers, it only lists the 2 EXCH 2010 servers. I am aware this is only a cosmetic issue but I would appreciate it if anyone can share some advice on how to fix the issue.

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  • Can only access asp.net app on localhost

    - by Kevin Donn
    I'm trying to get an asp.net application up on IIS on a Windows Server 2008 machine. I can hit the app from localhost, no problem. But I can't access the app using the server's domain name either locally or from another machine on the network. But here's the odd part. I can access a normal file on IIS using the domain name, both from a browser running on the server and from a browser running on another machine on the network. Here's a synopsis ("http" converted to "htp" below because I don't have enough points to have all these links in my message): From IE on the server itself: works htp://localhost/foo.htm works htp://localhost/App works htp://test.foo.com/foo.htm dead htp://test.foo.com/App From IE on another machine (inside or outside my subnet): works htp://test.foo.com/foo.htm dead htp://test.foo.com/App And when I say "dead" I mean the request times out. Any ideas?

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  • How long do servers usually last?

    - by AX1
    I'm trying to estimate ROI for a new server and how long it will most likely be in service. Are there any average numbers for how long you can expect a server to last that's in 24/7 use? In other words, is it likely to find 10-year old server from 2010 in today's racks? How about servers from 2005? I'd love to get an idea for how long a server will most likely be in use. By the way, this is meant irrespective of growing or changing application needs. I'm talking only about the hardware.

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  • Move OS from RAID5 array to RAID 1 arrays

    - by Antoine
    I want to give a last boost to my old ProLiant ML350 G5 server which just needs to be reliable for a few more year only ! With a defined budget of about 1500$ (I do not have more), i plan to replace the CPU (+ adding a second one), the battery cache of my raid controller (E200i), double the RAM, and change all hard drives. I have 7 HDD (SAS 10krpm, 72Gb) + 1 spare in RAID5, and my system is all FULL (no empty tray, full disks). in my current RAID5 array, I have 2 partitions: - 1 OS partition, 20Gb - 1 data partition, 350 Gb I plan to replace these 8 disks with : - 2 x 300Gb SAS 15krpm in RAID 1 (= 1 partition for OS) - 2 x 2Tb SATA 7.2krpm in RAID 1 (= 1 partition for DATA) My biggest constraint is that I have only 01 day to upgrade my server. Therefore, I'm looking for cloning all my files (OS + data partition) to my new arrays, i.e : - the OS partition shall be cloned to the RAID1 "2x300Gb array" - the data partition shall be cloned to the RAID1 "2x2Tb array" My second problem is that I need to physically remove all the old hard drives before inserting the new ones. I'm running Windows Server 2003 R2, and even if MS support will expire soon, I cannot buy a new licence and spent time in configuration. Obviously, with 1500$, I cannot also buy a new server that I could start configuring from now ! Thought about ASR (NTBackup), but I have no floppy drive (and do not really want to invest in one !) Thought about a clonezilla clone, and read this interesting link : Windows Server 2003 - move C: partition to a new SAS disk , but i'm not so confident in using Clonezilla with RAID5. What should be the best option to quickly and easily (if possible!) "copy/paste" my OS (so no need to reinstall and reconfigure all) and DATA / programs / services, etc... ? Thanks for your comments

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  • Biztalk 2009 install help

    - by _pemex99_
    Hi, I try to install Biztalk2009, with SQL 2008R2CTPNov, on Win Server 2008. I'm blocked at the configuration step "groups" : [19:22:18 Info Configuration Framework]Configuring feature: WMI [19:22:18 Info BtsCfg] Entering function: CBtsCfg::ConfigureFeature [19:22:18 Info BtsCfg] Configuring feature: WMI [19:22:18 Info BtsCfg] Entering function: CBtsCfg::IsSelectedAnswer [19:22:18 Info BtsCfg] Leaving function: CBtsCfg::IsSelectedAnswer [19:22:18 Info BtsCfg] Entering function: CWMI::Connect [19:22:18 Info BtsCfg] WMI is already connected [19:22:18 Info BtsCfg] Leaving function: CWMI::Connect [19:22:18 Info ConfigHelper] NT group BizTalk Server Operators was not created because it already exists [19:22:18 Info ConfigHelper NetAPI Info: ] Le groupe local spécifié existe déjà. [19:22:18 Info ConfigHelper] NT group BizTalk Server Administrators was not created because it already exists [19:22:18 Info ConfigHelper NetAPI Info: ] Le groupe local spécifié existe déjà. [19:22:18 Info BtsCfg] Entering function: CWMI::CreateGroup 2010-01-14 19:22:18:0527 [INFO] WMI CWMIInstProv::PutInstance() try to acquire lock 2010-01-14 19:22:18:0539 [INFO] WMI CWMIInstProv::PutInstance() lock acquired successfully 2010-01-14 19:22:18:0546 [INFO] WMI CWMIInstProv::VerifyMgmtDbCompatibility(CInstance) started 2010-01-14 19:22:18:0553 [INFO] WMI CWMIInstProv::VerifyMgmtDbCompatibility(CInstance) finished successfully 2010-01-14 19:22:18:0564 [INFO] WMI CWMIInstProv::PutInstance(MSBTS_GroupSetting.MgmtDbName="BizTalkMgmtDb",MgmtDbServerName="ECTXEVLBZTK") started 2010-01-14 19:22:18:0572 [INFO] WMI CAdapter::ConvertWMI2Admin() started 2010-01-14 19:22:18:0581 [INFO] WMI CDataContainer::SetWCHAR() - Possible problem: item value is overwritten 2010-01-14 19:22:18:0591 [INFO] WMI CAdapter::ConvertWMI2Admin() finished with HR=0 2010-01-14 19:22:18:0611 [INFO] WMI QueryStringValue query regkey 'MgmtDBServer' 2010-01-14 19:22:18:0620 [INFO] WMI CAdmCoreGroupInst::TryCreateNewGroup() started 2010-01-14 19:22:18:0632 [INFO] WMI Creating Mgmt database... 2010-01-14 19:22:18:0641 [INFO] WMI Calling CDataSource.Open() against ECTXEVLBZTK\master 2010-01-14 19:22:18:0792 [INFO] WMI CDataSource.Open() returned 2010-01-14 19:22:18:0810 [WARN] AdminLib GetBTSMessage: hrErr=80040e1d; Msg=Error "0x80040E1D" occurred.; 2010-01-14 19:22:18:0824 [WARN] AdminLib GetBTSMessage: hrErr=c0c02524; Msg=Failed to create Management database "BizTalkMgmtDb" on server "ECTXEVLBZTK". Error "0x80040E1D" occurred.; 2010-01-14 19:22:18:0835 [ERR] WMI Failed in pAdmInst->Create() in CWMIInstProv::PutInstance(). HR=c0c02524 2010-01-14 19:22:18:0846 [ERR] WMI WMI error description is generated: Failed to create Management database "BizTalkMgmtDb" on server "ECTXEVLBZTK". Error "0x80040E1D" occurred. 2010-01-14 19:22:18:0860 [INFO] WMI CWMIInstProv::PutInstance() finished. HR=c0c02524 [19:22:18 Error BtsCfg] f:\bt\890\private\source\setup\prod\btssetup\btscfg\btswmi.cpp(358): FAILED hr = c0c02524 [19:22:18 Error BtsCfg] Failed to create Management database "BizTalkMgmtDb" on server "ECTXEVLBZTK". Error "0x80040E1D" occurred. It seems that the install can't create Managment database, But the SSO database is created OK... Has someone a clue ?

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