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  • Hyper-V VM Lab + RRAS + RDP

    - by Dennis Evans
    My background is primarily .NET Development with some System Administration skills. I'm trying to set up a VM Lab for me to test System Applications I'm developing but I've only ever done System Administration in already set up environments; I've never set up my own. My current setup: Server 2008 R2 Hyper-V Host on physical machine (only role enabled) with two NICs. First NIC dedicated for Management w/ DHCP address from company's network. Second NIC dedicated to RRAS VM w/ DHCP address from company's network. RRAS VM has two NICS, one is virtual private internal only NIC w/ static entry. The other is the physical NIC mentioned above. I've joined it to my VMLab.net internal domain. My Active Directory Domain Controller server (ADCT) also runs DNS, DHCP, and Certificate Services which I'm familiar with but don't understand completely. RRAS is already set up with NAT to provide the private internal network with Internet access. What I would like to do is be able to RDP into the servers/computers on the VMLab.net domain from my computer. Do I need to add the Remote Desktop Services role and enable the Remote Desktop Gateway service on RRAS in order to do this or is there a way to set up port forwarding on RRAS to just allow a direct connection to the internal servers...or both? What would the best practices be here? Network Diagram http://i.stack.imgur.com/4qfnk.png

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  • Wiring my internet

    - by u8sand
    I have Verizon internet service and am currently using wifi. My router is in the basement and my desktop computer is 2 floors and on the other side of the house above it... Worst possible positioning but that's just how things worked out. My wireless currently is extremely unstable so I've decide to correct the problem by wiring my computer directly. The problem lies here: when redoing the room next to it (when the wall was open) we went ahead and wired some coaxial cable from our attic to our basement (with plenty of slack on both ends, don't ask me why we didn't go ahead and wire a CAT6 cable). The question is: Can I use the coaxial cable to bring me internet connection? Naturally the router (which needs to stay where it is) takes a coaxial cable input and has Ethernet outputs. So maybe I would have to take a ethernet cable, convert to coaxial-coaxial to my computer, convert back to ethernet. Is this even possible to convert from coaxial to ethernet? Or do I have to attempt to go ahead and fish a cat6 cable through my house. I cannot just split the signal because that would require two routers and two networks (which I don't believe would work with one cable-one ISP correct me if I'm wrong). Thanks

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  • Inconsistent SMTP Access

    - by Mike Hanson
    I have a mail server setup on Windows Server 2008. All was working fine, until I wanted to map a drive on the server so that I can access files on another machine. Windows prompted me to configure Network Discovery, which I did with the "Home/Office" option rather than "Public". After that, several access points that worked before stopped working, like VNC, SMTP, etc. After reinstalling those packages, things appeared to be working again. Unfortunately, problems have returned with my SMTP server. I can use an web-based SMTP tester, and it connects in 62msec (as expected). However, if I telnet from my machine on the same LAN, it takes more than 20 seconds to connect! When I try to send messages from Outlook, it times out entirely with the message: Sending' reported error (0x80042109) : 'Outlook cannot connect to your outgoing (SMTP) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).' I've checked the firewall settings, I've tried configuring it to use port 587 instead of 25, but nothing gets around this problem. Does any have any useful insights? Thanks in advance!

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  • Postfix qmgr process causes heavy overload on mailservers

    - by Mattias
    We are using Postfix as MTA for our e-mailmarketing software and once in a while we see that the load on one of the mailservers rises above 5. The load is caused by the qmgr-process which is the heart of Postfix and I see that it is consuming a lot of CPU resources. The process seems to be stuck because after 15 minutes it is still doing the samething and still increasing the load. Once I restart the postfix service the load rapidly decreases to below 1 and Postfix continues to send e-mails without any problems. I'm wondering if anyone else has encountered this problem and if people have suggestions on how to prevent it. The problem shows up on all our mailservers but almost never at more than 1 at the time. It seems to be triggered only when we are sending a mailing but the size (10 or 100.000 e-mails doesn't seem to make a difference). It maybe happens once a week or even less often and the time and day is also different every time. We tried to solve the problem by decreasing the amount of messages qmgr is allowed to process but this didn't solve it. We are using Postfix 2.5.5 on Debian Lenny 5.0.8 (postfix is installed through the default Debian repository). No special messages can be found in the logs (syslog, messages, mail.*). Thank you for your time

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  • Courier-imap login problem after upgrading / enabling verbose logging

    - by halka
    I've updated my mail server last night, from Debian etch to lenny. So far I've encountered a problem with my postfix installation, mainly that I managed to broke the IMAP access somehow. When trying to connect to the IMAP server with Thunderbird, all I get in mail.log is: Feb 12 11:57:16 mail imapd-ssl: Connection, ip=[::ffff:10.100.200.65] Feb 12 11:57:16 mail imapd-ssl: LOGIN: ip=[::ffff:10.100.200.65], command=AUTHENTICATE Feb 12 11:57:16 mail authdaemond: received auth request, service=imap, authtype=login Feb 12 11:57:16 mail authdaemond: authmysql: trying this module Feb 12 11:57:16 mail authdaemond: SQL query: SELECT username, password, "", '105', '105', '/var/virtual', maildir, "", name, "" FROM mailbox WHERE username = '[email protected]' AND (active=1) Feb 12 11:57:16 mail authdaemond: password matches successfully Feb 12 11:57:16 mail authdaemond: authmysql: sysusername=<null>, sysuserid=105, sysgroupid=105, homedir=/var/virtual, [email protected], fullname=<null>, maildir=xoxo.sk/[email protected]/, quota=<null>, options=<null> Feb 12 11:57:16 mail authdaemond: Authenticated: sysusername=<null>, sysuserid=105, sysgroupid=105, homedir=/var/virtual, [email protected], fullname=<null>, maildir=xoxo.sk/[email protected]/, quota=<null>, options=<null> ...and then Thunderbird proceeds to complain that it cant' login / lost connection. Thunderbird is definitely not configured to connect through SSL/TLS. POP3 (also provided by Courier) is working fine. I've been mainly looking for a way to make the courier-imap logging more verbose, like can be seen for example here. Edit: Sorry about the mess, I've found that I've been funneling the log through grep imap, which naturally didn't display entries for authdaemond. The verbose logging configuration entry is found in /etc/courier/imapd under DEBUG_LOGIN=1 (set to 1 to enable verbose logging, set to 2 to enable dumping plaintext passwords to logfile. Careful.)

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  • Puppet - Is it possible to use a global var to pull in a template with the same name?

    - by Mike Purcell
    I'm new to puppet. As such I am trying to work my way around the best way to setup my manifests that make sense. Following the DRY (don't repeat yourself) principle, I am trying to load common directives in one template, then load in environment specific directives from a file matching the environment. Basically like this: # nodes.pp node base_dev { $service_env = 'dev' } node 'service1.ownij.lan' inherits base_dev { include global_env_specific } class global_env_specific { include shell::bash } # modules/shell/bash.pp class shell::bash inherits shell { notify{"Service env: ${service_env}": } file { '/etc/profile.d/custom_test.sh': content => template('_global/prefix.erb', 'shell/bash/global.erb', 'shell/bash/$service_env.erb'), mode => 644 } } But every time I run puppet agent --test puppet complains that it can't find the shell/bash/$service_env.erb file, but I double checked that it exists. I know the var is accessible due to the notify statement outputting the expected value, so I suspect I am doing which is not allowed. I know I could have a single template.erb and pass variables to the template, which would work in this case because the custom.sh file is small and not many changes across environments, but for more complex configs (httpd, solr, etc) I'd prefer to access environment specific files. I am also aware that I can specify environment specific module paths, but I'd prefer to just handle this behavior at the template level, instead of having several, closely named directories. Thanks.

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  • Firefox not using Kerberos despite being configured to

    - by Nicolas Raoul
    I am deploying Linux/Firefox on a corporate Kerberos network. I followed this Kerberos-on-Firefox procedure but still Firefox does not connect via the company's Kerberos. I am using Firefox 3.0.18 on RedHat EL Server 5.5 Here is what I did: Run kinit on the command line to create a Kerberos ticket Check with klist: the ticket is valid until tomorrow, service principal is krbtgt/[email protected]. In Firefox, set network.negotiate-auth.trusted-uris and network.negotiate-auth.delegation-uris to .dc.thecompany.com. Load the company's portal page via its full hostname: http://server37.thecompany.com/alfresco. (note: server37 is actually the machine I am running Firefox on, but that should not be a problem I guess) PROBLEM: the company's intranet portal still serves me the login/password page. The same portal correctly uses Kerberos on Internet Explorer/Windows 7 machines, same settings, and shows the user's personal page. The server does not see any Kerberos request coming. Did I do something wrong? I enabled NSPR_LOG_MODULES=negotiateauth:5 as explained here, but the log file stays empty.

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  • IIS crashes with unhandled exception in ASP.NET

    - by SnowCrash
    We had an issue recently with an unhandled exception in an ASP.NET C# application bringing down IIS and all application pools that it was hosting. IIS Manager was unable to restart or stop/start the service and I was unable start IIS again after killing w3wp.exe in the task manager. A system reboot restored IIS to a running state; as a primarily Linux admin, I generally consider an unplanned system reboot to resolve a software error to be an act of high heresy. Is there a way to "harden" IIS so that a faulting application does not affect anything but the request that exposes the fault? Some details on the server and application fault. IIS: 7.5 .NET: 4.0 Windows Server 2008 R2 Faulted on call to System.Net.Dns.Resolve() with a url pointing to a non-existant domain as the argument. (I'm aware that this method is deprecated but the point that a page code issue shouldn't bring down the server still stands) The exception generated was SocketException. The faulting module according to event viewer was KERNELBASE.dll The issue was resolved by wrapping the call in a try-catch, logging the exception and displaying some generic content on the page. I'm hoping that I missed something in the IIS config that would switch it to "production" mode or something.

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  • ADFS Relying Party

    - by user49607
    I'm trying to set up an Active Directory Federation Service Relying Party and I get the following error. I've tried modifying the page to allow <pages validateRequest="false"> to web.config and it doesn't make a difference. Can someone help me out? Server Error in '/test' Application. A potentially dangerous Request.Form value was detected from the client (wresult="<t:RequestSecurityTo..."). Description: Request Validation has detected a potentially dangerous client input value, and processing of the request has been aborted. This value may indicate an attempt to compromise the security of your application, such as a cross-site scripting attack. To allow pages to override application request validation settings, set the requestValidationMode attribute in the httpRuntime configuration section to requestValidationMode="2.0". Example: <httpRuntime requestValidationMode="2.0" />. After setting this value, you can then disable request validation by setting validateRequest="false" in the Page directive or in the <pages> configuration section. However, it is strongly recommended that your application explicitly check all inputs in this case. For more information, see http://go.microsoft.com/fwlink/?LinkId=153133. Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.Form value was detected from the client (wresult="<t:RequestSecurityTo..."). Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [HttpRequestValidationException (0x80004005): A potentially dangerous Request.Form value was detected from the client (wresult="<t:RequestSecurityTo...").] System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) +11309476 System.Web.HttpRequest.ValidateNameValueCollection(NameValueCollection nvc, RequestValidationSource requestCollection) +82 System.Web.HttpRequest.get_Form() +186 Microsoft.IdentityModel.Web.WSFederationAuthenticationModule.IsSignInResponse(HttpRequest request) +26 Microsoft.IdentityModel.Web.WSFederationAuthenticationModule.CanReadSignInResponse(HttpRequest request, Boolean onPage) +145 Microsoft.IdentityModel.Web.WSFederationAuthenticationModule.OnAuthenticateRequest(Object sender, EventArgs args) +108 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +80 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +266 `

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  • Tomcat Solr times out

    - by user568458
    (Plesk 10.4 centos 5.8 linux apache2 server, with Tomcat5 on port 8080 and Apache Solr) I get "The connection has timed out" on requesting domain.com:8080 or www.domain.com:8080 or ip.ad.dr.ess:8080 Every reason I can find why this might be seems not to be the case: Plesk thinks Tomcat is running fine and lists it as an active service. The firewall currently has an accept all rule on port 8080. There's nothing relevant in the catalina tomcat logs (/var/log/tomcat5) - just some stuff from last time tomcat was started. There's no record at all of the requests that fail. netstat -lnp | grep 8080 gives the following, which I beleive means Tomcat is listening to requests to port 8080 on all ip addresses from any ip and any port (please correct me if I'm wrong): : tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN 4018/java This covers every cause of this time out that I can find - so I must be missing something fundamental. It seems Tomcat is running, listening to the right port, is getting an appropriate IP address, is not obstructed by a firewall and is not failing after receiving a request in a way which would be recorded in the logs (so I believe it can't be out of memory, or anything like that). I'm all out of ideas on how to continue debugging this. I must have overlooked something obvious. Can anyone help?

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  • TFTP Timing Out on Ubuntu VM

    - by valsidalv
    I'm running a Windows 7 PC with VMware installed which has my Ubuntu (10.04 Lucid Lynx). I recently installed a DHCP server and TFTP (Xinet tftpd) using these instructions. I've mapped a network drive so that my Windows has access to all the files in my VM through a 192.x.x.x IP address. I'm trying to throw some custom firmware onto a router. The router has its own built-in TFTP utility that will download the image. It successfully manages to do everything but it is slow because it writes it to flash memory. There is another method that is much quicker because it writes to RAM directly but it must use the TFTP server in Ubuntu. The issue I'm facing is that the Ubuntu TFTP transfer seems to be timing out. The transfer starts but never goes past ~60%. Here's my /etc/xinetd.d/tftp file (similar to a known working config): service tftp { protocol = udp port = 69 socket_type = dgram wait = yes user = nobody server = /usr/sbin/in.tftpd server_args = -s /home/user/tftp/ disable = no cps = 300 2 per_source = 60 } I've done some searching but can't find any parameters for this file to control timeout time or number of retries. The last two arguments (cps, per_source) and completely alien to me (can anyone explain). I have a few possible solutions but the easiest would be to get this TFTP server working. Can anyone help? Either with a timeout configuration or maybe even recommend a different TFTP server? Thanks!

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  • Remote Socket Read In Multi-Threaded Application Returns Zero Bytes or EINTR (104)

    - by user39891
    Hi. Am a c-coder for a while now - neither a newbie nor an expert. Now, I have a certain daemoned application in C on a PPC Linux. I use PHP's socket_connect as a client to connect to this service locally. The server uses epoll for multiplexing connections via a Unix socket. A user submitted string is parsed for certain characters/words using strstr() and if found, spawns 4 joinable threads to different websites simultaneously. I use socket, connect, write and read, to interact with the said webservers via TCP on their port 80 in each thread. All connections and writes seems successful. Reads to the webserver sockets fail however, with either (A) all 3 threads seem to hang, and only one thread returns -1 and errno is set to 104. The responding thread takes like 10 minutes - an eternity long:-(. *I read somewhere that the 104 (is EINTR?), which in the network context suggests that ...'the connection was reset by peer'; or (B) 0 bytes from 3 threads, and only 1 of the 4 threads actually returns some data. Isn't the socket read/write thread-safe? I use thread-safe (and reentrant) libc functions such as strtok_r, gethostbyname_r, etc. *I doubt that the said webhosts are actually resetting the connection, because when I run a single-threaded standalone (everything else equal) all things works perfectly right, but of course in series not parallel. There's a second problem too (oops), I can't write back to the client who connect to my epoll-ed Unix socket. My daemon application will hang and hog CPU 100% for ever. Yet nothing is written to the clients end. Am sure the client (a very typical PHP socket application) hasn't closed the connection whenever this is happening - no error(s) detected either. Any ideas? I cannot figure-out whatever is wrong even with Valgrind, GDB or much logging. Kindly help where you can.

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  • Remote SQL server connection failure

    - by Sevki
    I am trying to connect to my MSSQL server 2008 web instance and im failing horribly... i get the error 26 and before you jump on me i have done these Check the spelling of the SQL Server instance name that is specified in the connection string. Use the SQL Server Surface Area Configuration tool to enable SQL Server to accept remote connections over the TCP or named pipes protocols. For more information about the SQL Server Surface Area Configuration Tool, see Surface Area Configuration for Services and Connections. Make sure that you have configured the firewall on the server instance of SQL Server to open ports for SQL Server and the SQL Server Browser port (UDP 1434). Make sure that the SQL Server Browser service is started on the server. in addition to theese i have disabled the firewall completely and tried other ports nothing works the same credentials work on the server but not on the client. this is the exact error message A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (.Net SqlClient Data Provider) Can anybody help?

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  • UDP blocked by Windows XP Firewall when sending to local machine

    - by user36367
    I work for a software development company but the issue doesn't seem to be programming-related. Here is my setup: Windows XP Professional with Service Pack 3, all updated Program that sends UDP datagrams Program that receives UDP datagrams Windows Firewall set to allow inbound UDP datagrams on a specific port (Scope: Subnet) If I send a UDP datagram on any port to other, similar machines, it goes through. If I send the UDP datagram to the same computer running the program that sends (whether using broadcast, localhost IP or the specific IP of the machine), the receiver program gets nothing. I've traced the problem down to the Windows XP Firewall, as Windows 7 does not have this problem (and I do not wish to sully my hands with Vista). If the exception I create for that UDP port in the WinXP firewall is set for a Scope of Subnet the datagram is blocked, but if I set it to All Computers or specifically enter my network settings (192.168.2.161 or 192.168.2.0/255.255.255.0) it works fine. Using different UDP ports makes no difference. I've tried different programs to reproduce this problem (ServerTalk to send and either IP Port Spy or PortPeeker to receive) to make sure it's not our code that's the issue, and those programs' datagrams were blocked as well. Also, that computer only has one network interface, so there are no additional network weirdness. I receive my IP from a DHCP server, so this is a straightforward setup. Given that it doesn't happen in Windows 7 I must assume it's a defect in the Windows XP Firewall, but I'd think someone else would have encountered this problem before. Has anyone encountered anything like this? Any ideas?

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  • Same netmask or /32 for secondary IP on Linux

    - by derobert
    There appear to be (at least) two ways to add a secondary IP address to an interface on Linux. By secondary, I mean that it'll accept traffic to the IP address, and responses to connections made to that IP will use it as a source, but any traffic the box originates (e.g., an outgoing TCP connection) will not use the secondary address. Both ways start with adding the primary address, e.g., ip addr add 172.16.8.10/24 dev lan. Then I can add the secondary address with either a netmask of /24 (matching the primary) or /32. If I add it with a /24, it gets flagged secondary, so will not be used as the source of outgoing packets, but that leaves a risk of the two addresses being added in the wrong order by mistake. If I add it with /32, wrong order can't happen, but it doesn't get flagged as secondary, and I'm not sure what the bad effects of that may be. So, I'm wondering, which approach is least likely to break? (If it matters, the main service on this machine is MySQL, but it also runs NFSv3. I'm adding a second machine as a warm standby, and hope to switch between them by changing which owns the secondary IP.)

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  • Limit copssh users to home directory Windows 7

    - by Siriss
    Hello all- I have found these two sites below: CopSSH SFTP -- limit users access to their home directory only and http://blogs.windowsnetworking.com/wnadmin/2006/11/07/copssh-restricting-users-access/ as well as the Copssh website, but upon completion they do not seem to work. I have copssh installed and I have a separate Windows account "sftpuser" created that is used to connect. The connection works just fine, but I want to limit that user to just their home directory and sub folders. I have 3 hard drives, the C:, a W: and an S: and I want the FTP account to only be able to access the W: drive and its contents (the root of the W: drive is the FTP home directory). Right now "sftpuser" can access all folders, including jump drives to C:, and S:. The linked tutorials do not seem to work, because it seems when I create a group "ftpusersgroup" and add "sftpuser" to the group, and then deny "ftpusersgroup" access to the C: drive, the service breaks and I can no longer login. I have undone everything and am ready to start fresh. Does anyone know how to do this, or is there a better tutorial that someone has or has found? I hope this makes sense. Thank you very much for any help!

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  • IIS and ASP.NET

    - by sam
    i'm trying to add asp.net feature on windows 7 i tried to turn it on using turn windows features on or off but it fails every time so i download web platform installer and try it that way and it fails also next i uninstall .net framework 4 restart again! and reinstall it and try again the previous steps but it fails the same i need this installed so i can view it on iis7 anyone know what i can do with this to get it working i've searched and searched and everything fails i get this error on the web platform installer Failed with 0x80070643 – Fatal Error during installation please help i cant do my work with out it working :( ok i did a few things now get this error Server Error in '/pulse' Application. Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Could not load type 'pulsesite.MvcApplication'. Source Error: Line 1: <%@ Application Codebehind="Global.asax.vb" Inherits="pulsesite.MvcApplication" Language="VB" % Source File: /pulse/global.asax Line: 1 Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1 i know its ust about changing the code but i'm not good with c# anyone know how?

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  • IIS SMTP unable to relay for domain on local network.

    - by MartinHN
    Hi I have a network with the following servers: EXCH01 - Exchange Server for @domain.com e-mails. TEST-REP01 - Local reporting server. Have IIS SMTP installed and configured. What happens on the TEST-REP01, is that I have a Windows Service that reads reports in a SQL server that is ready for delivery. All reports is sent one at a time, using the local SMTP server. It works perfectly, unless the recipient e-mail address is [email protected] - the domain that the EXCH01 server manages. I get the following error: Mailbox unavailable. The server response was: 5.7.1 Unable to relay for [email protected] What can I do to troubleshoot this further? I can't seem to find useful information in the SMTP log: 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 EHLO - +TEST-REP01 250 0 210 15 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 MAIL - +FROM:<[email protected]> 250 0 44 31 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 RCPT - +TO:<[email protected]> 550 0 50 28 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 QUIT - TEST-REP01 240 0 50 28 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 EHLO - +TEST-REP01 250 0 210 15 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 MAIL - +FROM:<[email protected]> 250 0 44 31 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 RCPT - +TO:<[email protected]> 550 0 50 28 0 SMTP - - - - 2011-01-05 03:01:38 192.168.8.168 TEST-REP01 SMTPSVC1 TEST-REP01 192.168.8.168 0 QUIT - TEST-REP01 240 0 50 28 0 SMTP - - - - Relay access on the local IIS (TEST-REP01) are set to allow 127.0.0.1, TEST-REP01 and other servers such as TEST-WEB01. DNS settings on the local network is not domain.com - but companyname-domain.local.

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  • Configure one IIS site to handle two separate SSL certificates using external Load Balancing or SSL Acceleration Servers

    - by bmccleary
    I have one web application on our server that needs to be referenced by two different domain names, both of which have their own SSL certificates. The application is exactly the same for both domains, but we have to keep the two domain names for legal reasons. The problem is that, since both domains need to have their own SSL certificate, that inside of our IIS 7.5 configuration we have to have two separate IIS applications (both pointing to the same physical location) with their own unique IP address and SSL certificate installed. Now, I know that, due to the nature of SSL communications, that this is by design and that you can't assign more than one SSL certificate per IP address and domain name. My question is… is there any way around this limitation and keep one web application in IIS and have it service two SSL certificates based on host name? I know that with the basic IIS configuration that this is not possible, but I was thinking that with some sort of combination of external load balancing and/or SSL acceleration servers/services that we could have these servers process the SSL request and leave IIS clean to have one single application. I am not familiar at all with these technologies, hence the reason I am asking if it is theoretically possible. If not, does anyone else know how to achieve this?

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  • SQL Server architecture - they want to move my database to new instance...Why?

    - by O'MALLEY
    Our current production database environment contains about 10 similarily managed databases. Our agency has just purchased and is installing new blade chasses and wants to move my database to a new instance (leaving the other 9 on another). This decision is being driven by one of our IT staff, not a DBA. I am a project manager, not a DBA but I know enough to not necesarrily have a good feeling about this decision and I am urging our IT department to make a sound decision based on what is best for the database. Our IT department has stated that it is not good to have all our eggs in one basket, and has also stated that my database contains "regulatory data" so it should be on its own instance. A couple of truths: - None of the databases on the current instance are OLTP databases nor are any of them data warehouses - My database currently has joins/views to a couple of the other databases in the production environment So my questions are as follows: Am I wrong to disregard a statement about eggs in baskets? (hello, this is why we have maintenance plans/disaster recovery plans). I'll mention that other databases also have regulatory data too. What types of questions do I need to ask to determine if this is a sound decicion? (A DBA friend mentioned that if the service level agreement of said database does not radically differ from the others then why do they want to do this?) I have done some research on linked servers. What arguments should I bring forth about the fact that I have views setup that rely on data from other DBs currently?

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  • Unable to force Debian to do unattended install... libc6 wants interactive confirm

    - by JD Long
    I'm trying to create a script that forces a Debian Lenny install to install the latest version of CRAN R. During the install it appears libc6 is upgraded and the install wants interactive confirm that it's OK to restart three services (mysql, exim4, cron). This process HAS to be unattended as it runs on Amazon's Elastic Map Reduce (EMR) machines. But I'm running out of options. Here's a few things I've tried: This previous question appears to be exactly what I'm looking for. So I set up my install script as follows: # set my CRAN repos... yes, I know there's a new convention where to put these. echo "deb http://cran.r-project.org/bin/linux/debian lenny-cran/" | sudo tee -a /etc/apt/sources.list echo "deb-src http://cran.r-project.org/bin/linux/debian lenny-cran/" | sudo tee -a /etc/apt/sources.list # set the dpkg.cfg options per the previous SuperUser question echo "force-confold" | sudo tee -a /etc/dpkg/dpkg.cfg echo "force-confdef" | sudo tee -a /etc/dpkg/dpkg.cfg export DEBIAN_FRONTEND=noninteractive # add key to keyring so it doesn't complain gpg --keyserver pgp.mit.edu --recv-key 381BA480 gpg -a --export 381BA480 > jranke_cran.asc sudo apt-key add jranke_cran.asc sudo apt-get update # install the latest R sudo apt-get install --yes --force-yes r-base But this script hangs with the following request for input: OK, so I tried stopping the services using the following script: sudo /etc/init.d/mysql stop sudo /etc/init.d/exim4 stop sudo /etc/init.d/cron stop sudo apt-get install --yes --force-yes libc6 This does not work and the interactive screen comes back, but this time with only cron listed as the service that must be restarted. So is there a way to make libc6 just restart these services with no user input? Or is there a way to stop cron so it does not cause an interactive prompt? Maybe a creative option I've never thought of? Keep in mind that this system is brought up, some Hadoop code is run, and then it's torn down. So I can put up with side effects and bad behavior that we might not want in a production desktop machine or web server.

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  • How to get back the themes feature in Windows XP?

    - by Martín M.
    When I try to set a visual style in Windows XP (the standard Luna, for example), I get one of these two: "Access denied" error. It works, but when I restart the computer, I get the Classic look again, with no errors. Also, the "Windows and icons" dropdown is grayed out in the "Appearance". This is a list of things I have tried, with no results: Making sure "Use visual styles on windows" is checked on System Properties Advanced Performance. Restarting the "Themes" service. It starts cleanly, no errors. Applying these two fixes: Kelly's Corner and tweaks.com. Running sfc /scannow and checking the integrity of uxtheme.dll against a clean installation of XP Restoring the whole \Windows\Resources\Themes directory. Creating a new user. The new user does not seem to suffer this problem. Maybe this is the solution, create a new user and migrating all the data, but it would be a pain, and I would prefer reinstalling the whole thing. I am using Windows XP Professional SP3, with no spyware, no virus, and no other visible malfunctions. How can I fix this?

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  • fail2ban regex working but no action being taken

    - by fpghost
    I have the following snippet of fail2ban configuration on Ubuntu 13.10 server: #jail.conf [apache-getphp] enabled = true port = http,https filter = apache-getphp action = iptables-multiport[name=apache-getphp, port="http,https", protocol=tcp] mail-whois[name=apache-getphp, dest=root] logpath = /srv/apache/log/access.log maxretry = 1 #filter.d/apache-getphp.conf [Definition] failregex = ^<HOST> - - (?:\[[^]]*\] )+\"(GET|POST) /(?i)(PMA|phptest|phpmyadmin|myadmin|mysql|mysqladmin|sqladmin|mypma|admin|xampp|mysqldb|mydb|db|pmadb|phpmyadmin1|phpmyadmin2|cgi-bin) ignoreregex = I know the regex is good, because if I run the test command on my access.log: fail2ban-regex /srv/apache/log/access.log /etc/fail2ban/filter.d/apache-getphp.conf I get a SUCCESS result with multiple hits, and in my log I see entries like 187.192.89.147 - - [13/Apr/2014:11:36:03 +0100] "GET /phpTest/zologize/axa.php HTTP/1.1" 301 585 "-" "-" 187.192.89.147 - - [13/Apr/2014:11:36:03 +0100] "GET /phpMyAdmin/scripts/setup.php HTTP/1.1" 301 593 "-" "-" Secondly I know email is configured correctly, as each time I service fail2ban restart I get an email for each of the filters stopping/starting. However despite all this no action seems to be taken when one of these requests comes in. No email with whois, and no entries in iptables. What possibly could be preventing fail2ban from taking action? (everything looks in order in fail2ban-client -d and I can see the chains have loaded with iptables -L)

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  • cannot reach munin port on other AWS instance

    - by Amedee Van Gasse
    2 AWS instances, in the same region but different availability zones, one is in regular EC2 and the other is in VPC, both have an Elastic IP, both are 64bit Amazon Linux AMI 2014.03.1. Both are running munin-node. The instance in the VPC is running munin-cron. I have added incoming TCP and UDP port 4949 to the security groups of both instances. On the munin node, I added an allow-line with the IP address (regular expression) of the munin server to /etc/munin/munin-node.conf. I bind munin-node to any interface using host *. Then I did sudo service munin-node restart. Then I ran netstat. $ sudo netstat -at | grep munin tcp 0 0 *:munin *:* LISTEN So the port is open there. On the munin server AND on the munin node: $ nmap AMAZON-IP -p 80,4949 | grep tcp 80/tcp open http 4949/tcp closed munin On the munin node: $ nmap localhost -p 80,4949 | grep tcp 80/tcp open http 4949/tcp open munin So from the outside, the http port is open (Apache is running) but the munin port is closed. The node can't even reach the munin port on it's own public IP address, but it can on localhost. I added port 80 as a sanity check, to be sure that there is network connectivity at all. So what am I overlooking here?

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  • Can I trick Carbonite into backing up an external hard drive?

    - by Brian
    I use Carbonite to back up my PC (Windows XP). We were running low on disk space on our home PC (down to 15 GB), so I went out and purchased an external hard drive. However, Carbonite will not back it up. Is it possible to set up Carbonite to backup an external hard drive? I just want the external drive to be extra disk space. From their FAQ: The current version of Carbonite backs up only the files that reside on permanent hard drives on your computer. It will not back up network drives, external drives, and NAS (network accessed storage) drives. If there are files on a remote drive that you wish to include in your Carbonite backup, you should copy the files to a folder on your local hard drive. If the files are on a shared network drive, you could install Carbonite on the computer on which the network shared drive physically exists, and back the files up directly from that computer. Check back soon for a Carbonite service plan that will allow you to back up your external drives.

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