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• Mail not piping in postfix

  - by user220912

  I have setup a postfix server and wanted to test the piping of mail to my perl script where i can make use of it and filter the mails.I wrote a test script for that which just logs the information in txt file. but i don't see any changes on sending the mail. My postconf-n output: alias_database = hash:/etc/aliases append_dot_mydomain = no command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailbox_size_limit = 0 mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = yantratech.co.in, localhost.localdomain, localhost myhostname = tcmailer8.in mynetworks = 103.8.128.62, 103.8.128.69/101, 168.100.189.0/28, 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES recipient_delimiter = + relayhost = sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_tls_cert_file = /etc/pki/tls/certs/tcmailer8.in.cert smtpd_tls_key_file = /etc/pki/tls/private/localhost.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes transport_maps = hash:/etc/postfix/transport virtual_alias_maps = hash:/etc/postfix/virtual virtual_gid_maps = static:5000 virtual_mailbox_base = /home/vmail virtual_mailbox_domains = /etc/postfix/vhosts virtual_mailbox_maps = hash:/etc/postfix/vmaps virtual_minimum_uid = 1000 virtual_uid_maps = static:5000 here's my transport: [email protected] email_route my main.cf declaration: transport_maps = hash:/etc/postfix/transport my master.cf declaration: email_route unix - n n - - pipe flags=FR user=nobody argv=/etc/postfix/test.php -f $(sender) -- $(recipient) and my php script: #!/usr/bin/php <?php $fh = fopen('/etc/postfix/testmail.txt','a'); fwrite($fh, "Hello it works\n"); fclose($fh); ?> I am sending mails through telnet in localhost.

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• VMWare web UI intermittent access on CentOS

  - by PeteWilliams

  I've got a CentOS 5.2 server that I'm trying to get set up as a development environment. As part of this, I planned to install VMWare Server 2 and set up several virtual development servers. I've got as far as installing VMWare Server 2 but access to the remote control panel is only working intermittently. If I access it through Firefox at https://127.0.0.1:8333/ui/# it usually says either: "Connection intterupted: connection was reset before the page loaded" Or "Firefox can't establish a connection to the server at 127.0.0.1" But every now and then it lets me in and I'll manage a few clicks in the web UI before it kicks me out with the following error: "The server could not complete a request (HTTP 0 ). The server encountered an unexpected condition that prevented it from fulfilling the request. If this problem persists, please contact your system administrator." I've done all the updates available in CentOS except one OpenOffice one that is causing a conflict, and I re-ran wmware-config.pl after updating the kernel. Though I went with all the defaults as I don't really know what I'm doing! I've since rebooted and nothing changed. I've also tried accessing the control panel remotely from another machine in the network and the results are the same. Does anyone have any ideas what might be causing this and how I can resolve it? I'm afraid I'm a developer playing at sys-admin, so I may be missing something obvious! Many thanks Pete Update I have now reinstalled both the operating system and VMWare and I'm still getting the same issue. I wonder if it's a result of the settings I'm putting in on the config.pl script..?

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• Windows Vista Wrong Certificate With SNI

  - by JamesArmes

  I'm setting up SNI on an apache server and I thought things were going well. I have two URLs from different domains that point at the same site. I have one virtual host setup for each with the appropriate certificate for each. One of the certificates is valid but the other is self-signed (waiting on GoDaddy for the real cert). If I test the different URLs in Firefox, Safari and Opera all works well. I get no errors for the URL with the valid certificate and I get a self-signed warning for the other. However, in Internet Explorer 8 and Google Chrome, both URLs return the valid certificate (even if its not valid for the specific site). So for the one site, I get a valid certificate. For the other, I get a warning about the cert being for a different site. I tried switching the order of the vhosts and it made no difference. I know that Chrome and IE both use Window's HTTP stack so I understand why the behavior is the same for the two. What I don't understand is why I'm seeing this behavior.

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• How to sandbox a VMWare image as much as possible

  - by Craig H

  The situation: -A corporate environment, with a corporate managed XP desktop (locked down, patched regularly, restricted user rights, no manual install of SW, AV, etc.) The requirement: -Using VMWare Workstation, run a sandboxed image (also XP) for specific testing purposes (with admin rights in the guest VM). No network connectivity is required. It can't be a separate standalone physical workstation disconnected from the network. (FWIW, this is a legitimate, sanctioned requirement - not someone trying to get around corporate restrictions.) The challenge: -Do this in as safe/secure a manner as possible. The proposed solution: -Create an image with host-only networking. -Perhaps remove the virtual ethernet adapter? (not sure if it's required for basic VMWare functionality?) The question (finally): -What potential risks remain (and how could I best mitigate them)? One challenge is that the guest VM will not be a managed workstation itself, so patching, AV, etc. can't be guaranteed (and, ironically, would in fact be somewhat difficult given the proposed solution!)

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• What is the quickest and safest way to test new software and revert all changes, if needed?

  - by calbar

  I'm looking for Windows software that will allow me to quickly create a "checkpoint", do whatever I might need to do to my computer - install programs/drivers/updates, create/delete personal files, reboot the system multiple times, open questionable attachments - and then revert the entire system back to when the checkpoint was created. Essentially I want Windows Restore Points that save my personal files and partitions, too. It sounds like disk imaging might be the ticket, but creating them is much too slow and the restore process too involved... I'm hoping to sacrifice full disaster recovery for speed. Creating a checkpoint should be as close to one-click as possible, and rolling back should be a matter of selecting a restore point and rebooting. Ding! I'm familiar with Sandboxie, True Image Home "Try and Decide", Returnil, and a number of other "virtual system" apps that actively "catch" changes and allow you to commit or reject them. I'm not interested in these for a number of reasons - I prefer the "cut and dry" restore point approach. Finally, I'll note that I've just recently become aware of Comodo Time Machine. It sounds absolutely perfect, however, a quick skim through the user forums show more than a few horror stories of corrupted, unbootable systems. Any positive personal experience with the software to suppress my superstitions, or suggestions for more established alternatives would be greatly appreciated - Comodo Time Machine seems relatively new. Thanks for your help!

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• DRBD stacked resources: recovering from failure

  - by Marcus Downing

  We're running a stacked four-node DRBD setup like this: A --> B | | v v C D This means three DRBD resources running across these four servers. Servers A and B are Xen hosts running VMs, while servers C and D are for backups. A is in the same datacentre as C. From server A to server C, in the first datacentre, using protocol B From server B to server D, in the second datacentre, using protocol B From server A to server B, different datacentres, stacked resource using protocol A First question: booting a stacked resource We haven't got any vital data running on this setup yet - we're still making sure it works first. This means simulating power cuts, network outages etc and seeing what steps we need to recover. When we pull the power out of server A, both resources go down; it attempts to bring them back up at next boot. However, it only succeeds at bringing up the lower-level resource, A-C. The stacked resource A-B doesn't even try to connect, presumably because it can't find the device until it's a connected primary on the lower level. So if anything goes wrong we need to manually log in and bring that resource up, then start the virtual machine on top of it. Second question: setting the primary of a stacked resource Our lower-level resources are configured so that the right one is considered primary: resource test-AC { on A { ... } on C { ... } startup { become-primary-on A; } } But I don't see any way to do the same with a stacked resource, as the following isn't a valid config: resource test-AB { stacked-on-top-of test-AC { ... } stacked-on-top-of test-BD { ... } startup { become-primary-on test-AC; } } This too means that recovering from a failure requires manual intervention. Is there no way to set the automatic primary for a stacked resource?

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• Multiple servers vs 1 big server performace

  - by pistacchio

  Hi to all! My team of developers has suggested a server structure for an upcoming project we are developing. Our structure is "logical", meaning that the various logical components of the application (it is a distributed one) relies on different servers. Some components are more critical than others and will be subjected to more load. Our proposal was to have 1 server per component but the hardware guys suggested to replace the various machines with a single, bigger one with virtual servers. They're gonna use Blade Servers. Now, I'm not an expert at all, but my question to the guys was: so if we need, for example, 3 2GHz CPU / 2GB RAM machines and you give me 1 machine with 3 2GHz CPUs and 6 GB of RAM it is the same? They told me it is. Is this accurate? What are the advantages or disadvantages of both the solutions? What are the generally accepted best practices? Could you point out some URL reference dealing with the problem? Thank you in advance! EDIT: Some more info. The (internet / intranet) application is already layered. We have some servers on the DMZ that will expose pages to the internet and the databases are on their own machines. What we want to split (and they want to join) are some webservers that mainly expose webservices. One is a DAL that communicates with the database layer, one is our Single Sign On / User Profile application that gets called once per page and one is a clone of what seen on the Internet to be used on our lan.

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• Storing secure keys on Ubuntu web server

  - by Sencha

  I'm running Ubuntu 12.04 Precise with a DUNG (Django, Unix, Nginx & Gunicorn) environment and my app (as well as various config files) is stored in a python virtual environment inside /srv, which the www-data user has access to. The nginx & gunicorn processes are all run as www-data. My web app requires secure credentials which I am storing in an environment.sh file. This file contains various exports and is run using source before the gunicorn processes execute. My concern is the location of the environment.sh file and it's permissions. Will it be okay storing this file inside the /srv folder where the www-data has access to it? Or should it be stored and owned by root somewhere else such as /var/myapp/environment.sh? Also, regarding the www-data user, if any of my web processes (which are run as www-data) are compromised and someone gains access to them, does that mean that the user could potentially read any file on the system, even if they can't write? Including my secure keys?

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• Why do I need to set up Autologon values in registry twice before it works and can i fix this?

  - by jJack

  Background: As part an automated testing suite I am building, I need to set up Autologon on my virtual machines 'on demand'. By on demand, I mean that I don't want to necessarily pre-configure my VM or any snapshot to have Autologon set up already, for security reasons and also a huge business case. My solution so far: I'm copying a script to the guest machine and then using Sysinternals PsExec to execute it. The script is: reg add "hklm\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v DefaultUserName /t REG_SZ /d myusername reg add "hklm\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v DefaultPassword /t REG_SZ /d myfakepassword reg add "hklm\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v DefaultDomainName /t REG_SZ /d mydomain reg add "hklm\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v ForceAutoLogon /t REG_SZ /d 1 reg add "hklm\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v AutoAdminLogon /t REG_SZ /d 1 reg add "hklm\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoLogonChecked" /f /ve /d 1 Note: I don't believe AutoLogonChecked is required for machines post Windows 2000 but I'm doing it just in case for now. Maybe ForceAutoLogon isn't either, not sure yet. The Problem: I see PsExec executes this properly and all the values are in the registry, however when I restart the machine, the user isn't automatically logged on...When I run this a second time then restart the machine, the user is finally logged on. A diff between the registry states shows that the first time I run this, it is missing both the "1" for AutoAdminLogon, and also the DefaultPassword key. The second time I execute it, these values are correctly intact as I intended. So, what is going on here? Is this expected? This post claims in the end that it really all just works (the problem was that a logoff script was setting off the values). Doesn't seem to work for me however.

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• Need advise for choosing software\hardware for virtualization.

  - by Anatoly

  Currently we have these servers : Windows SBS 2003 premium on IBM X266 double Xeon F43, 2GB ram. DC, exchange (70 users), Mssql. Windows 2003 R2 32bit on IBM x3400 with double XEON E5310 and 4GB ram. Terminal server (40+ users), ERP application based on uniPaaS platform from Magicsoftware, and Pervasive sql. Ubuntu 8.04 (simple pc box) with squid proxy, GLPI system and PHPBB3 forum for internal use. Recently number of concurrent users on Terminal server passed 40 users in rush hours and it gets stuck frequently. Therefore we need an upgrade. I think about transfer all physical servers to virtual servers based on cluster of 2 physical servers for reducing downtime. I think we will grow till 50-60 concurrent terminal users in rush hours. I also plan to virtualize 10-15 Win XP/7 workstation (office,ERP etc), and there is a little probability for Asterisk\Hylafax for 100 users (if it possible on same VM). Also we need NAS storage for 2-3TB. What hardware upgrade/purchase we need for complete this task? Which VM solution is preferable VmWare or Hyper-V? What backup software should we choose? Acronis or something another? Thank you in advance.

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• Apache 2.4 with PHP-FPM

  - by tubaguy50035

  I'm trying to setup Apache 2.4 with PHP-FPM 5.4 using the new modules with Apache 2.4. The following is what I have currently in my virtual host file: <VirtualHost *:80> ServerAdmin root@localhost DocumentRoot /var/www #Directory permissions <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Require all granted </Directory> CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> I have PHP-FPM running using Unix sockets with a sock file located at /var/run/php5-fpm.sock. How do I proxy my requests to this sock file? I've seen some sites say to use ProxyPassMatch and others are saying Rewrite Rule. Are there pros or cons on either side? Also, most sites I'm seeing are showing ProxyPassMatch with a regex to only pass .php files. Could I also send it .html files? For whatever reason, we have a ton of PHP inside .html files. Edit: As noted in the comments, it looks like mod_proxy_fcgi doesn't support Unix sockets. Is there another module I should be using?

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• is a wildcard SSL the only option in this multiple VHOST/1IP setup?

  - by solsol

  I have a web app set up that needs the following SSL encryption: secure.myapp.com -> SSL www.myapp.com/login -> SSL www.myapp.com/signup -> SSL If I'm correct, I could run one SSL certificate for my whole www.myapp.com/* pages. The problem is that I have a subdomain called secure.myapp.com that either needs to be on a separate IP address to work with SSL. Right now I have one server, one public IP and a number of Virtual Hosts in apache to make this work. I'd rather not buy an expensive Wildcard SSL certificate to secure just one subdomain. What is your advice on this? If it IS the only solution any tips on getting a price worthy wildcard SSL cert is appreciated. I have read about SNI that allows the use of multiple SSL certs, but not all browsers (IE6!) support this. Since we are building a web app for the public, we cannot have IE6 to run on unencrypted connections. Thanks for you help

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• Windows Vista/7 dropping Mac Server share points

  - by Hooligancat

  My Windows Vista and Windows 7 clients are having problems maintaining access to SMB shares on a Mac server. The initial connection to the server appears to be OK, as the Windows clients can see all of the server share points. However, the client randomly drops a couple of the server share points although the clients can still see the server. For example. If I have the following share points on the Mac server: Share A Share B Share C Share D Share E The Windows client can see these shares most of the time and can access them most of the time. But randomly a couple of the shares will just get dropped or go missing from the Windows client's ability to view them so I end up with something like: Share B Share D Share E All the share points are established int the same way with the same permission settings. My Mac OSX Server is set up with the following for SMB: SMB sharing enabled Standalone Server Workgroup of `CORPORATE` Allow Guest Access = YES Client connections limit = 100 Authentication: NTLMv2 & Kerberos and NTLM Code Page is Latin US (437) This is a workgroup master browser WINS registration is set to Enable WINS server (tried with setting off) Enable virtual share points for homes YES I noticed in my SMB file service log that the clients appear to connect OK, but I get the following error which implies a reset by either the server or the client: /SourceCache/samba/samba-187.9/samba/source/lib/util_sock.c:read_data(534) read_data: read failure for 4 bytes to client 192.168.0.99. = Connection reset by peer I am a bit stumped as to a direction to turn to try and get this to resolve. Continued attempts to access the server from the client will reconnect to the share points, but they inevitably get dropped again in the near future. Any and all help much appreciated.

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• Datacentre Rack naming convention with flexibility for reassignment of server roles

  - by g18c

  We are just shifting across to a new rack and until now have used names of cartoon characters. This is not going to work anymore, and need a better naming convention. Physically i would like to name the servers by location, and then have an alias as to its actual function/customer, i.e. Physical name LONS1R1SVR1 meaning London, suite 1, rack 1, server 1 Customer Alias Since the servers can be reassigned from time to time, for the above physical server name, i would have an alias as a column in a spreadsheet, that would be set to the customers host-name, i.e. wwww.customerserver1.com Patching For patching, I am looking at labeling up the physically connections, i.e. LON1S1R1SVR1-PWR1 LON1S1R1SVR1-PWR2 LON1S1R1SVR1-ETH0 LON1S1R1SVR1-KVM Ultimately if i am labeling cables, I really want to avoid putting LON1S1R1SQLSVR on any patch cord in case the server gets formatted and changed from a SQL server to a WWW server which would need to relabel all the patch cords also. In addition, throwing in virtual machines, i have got confused very quickly. I appreciated that it may be confusing having a physical host-name and customer alias. Please let me know what you run with and any other standards or best practices that i can follow?

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• Samba access works with IP address only

  - by Sebastian Rittau

  I added a Debian etch host (hostname: webserver, IP address: 192.168.101.2) running Samba to a Windows network with a Windows 2003 PDC (IP address 192.168.101.3). The Samba server exports a public guest share, called "Intranet". The server shows up fine in the network, but trying to click on it produces an error dialog, stating I don't have the necessary permissions. So does entering \webserver manually and using \webserver\internet states that the path does not exist. Interestingly, accessing the share by IP address (\192.168.101.2 or \192.168.101.2\intranet) works fine. DNS is configured correctly, and "smbclient //webserver/intranet" on another Linux client works fine. One complicating issue is that the webserver is only a VMware virtual machine running on PDC server. Here is our smb.conf: [global] workgroup = Foobar server string = Webserver wins support = yes ; commenting out these wins server = 192.168.101.3 ; two lines has no effect dns proxy = no guest account = nobody [... snipped some unrelated bits, like logging ...] security = share [... snipped some password-related things ...] domain master = no [intranet] comment = Intranet path = /srv/webserver/contents browseable = yes guest ok = yes guest only = yes read only = yes create mask = 0775 directory mask = 0775

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• Freebsd jail for an small company - checklist - what shouldn't forget

  - by cajwine

  Looking for an checklist for an "small company freebsd/jail server". Having pretty common starting point: FreeBSD jail (remote/headless) for the company: public web, email, ftp server, and private (maybe in the future partially public) wiki (foswiki) 4 physical persons, (6 email addresses) + one admin - others will never use ssh) have already done usual hardening on the host side (like pf, sshguard etc). my major components are: dovecot, exim, apache22, proftpd, perl5.14. Looking for an checklist, what I shouldn't forget. My plan: openssl self-signed certificates for exim, dovecot and proftpd (wildcard keys) openssl self-signed certificate for apache (later will go for "trusted-signed" key) My questions are: is is an "good practice" having one pair of wildcard SSL-certificates for many programs? (exim, dovecot, proftpd) - or should I generate one key for each service? should I add all 4 persons as standard (unix) users, or I should go with virtual users? Asking because: have only small count of users, and it is more simple to configure everything (exim, dovecot) for local users ($HOME/Maildir), plus ability to set $HOME/.forward/vacation and etc. is here some (special) things what I should consider? (e.g. maybe, in the future we want setup our own webmail - will make this any difference?) any other recommendation? Thank you, hoping that this question fit into the http://serverfault.com/faq under the: Server and Business Workstation operating systems, hardware, software Operations, maintenance, and monitoring Looking for an checklist, but please explain why you're recommending it. See Good Subjective, Bad Subjective. related: What's your suggested mail server configuration for a FreeBSD server?

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• Setting Remote Desktop to allows IPv6 connections

  - by Garrett

  Setup: Basically I have 3 machines (2 virtual and 1 physical) that I would like to be able to RDP in to from outside my NAT (a router). The VMs are Windows 7 and Windows XP, both fully patched with Teredo installed and working, both running in VirtualBox (their host also has Teredo working, though I'm not sure if that matters). They both have bridged network adapters with promiscuous mode enabled. The physical machine is Windows 7 fully patched with an HFS server running on it and a dynamic DNS set up for my public IPv4 address and port forwarded. It also has Teredo installed and working. Symptoms: According to http://test-ipv6.com/ all 3 have public IPv6 addresses, and they can all connect to http://ipv6.google.com/. I can ping the XP VM from the host it's running on but I cannot ping it from any other machine. Also, I cannot ping either of the other machines from anywhere. I cannot connect to any of them over RDP from IPv6, however I can connect to all of them through IPv4. Any ideas what is going wrong?

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• Completely unintuitive Apache/PHP memory-freeing behavior

  - by David

  Okay, this one's weird. I have a Turnkey Linux server with a gig of dedicated RAM. It's running WP3.2 with a boatload of plug-ins. It's a new site, so it has very limited traffic (other than search engines, maybe 20 hits a week). Now, for a few weeks, every few days, it would max out on main RAM, start eating up virtual RAM, and then crash. It's had this behavior for a while and I've been trying to figure out which element was causing the crash. Nine days ago, I pointed my external server monitor to this server. I wrote a 5-line HTML file (not PHP and not WP) that the server monitor accesses every minute, to see if the server is up. So, now, nine days later, the server has been rock solid, up all the time, no memory leak at all. I changed NOTHING on the server itself to see this behavior change. Have you EVER seen anything like this? All the server monitor is doing is retrieving a single, super-simple HTML file and all the memory leak problems have gone away. Weird, eh?

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• The best way to hide data Encryption,Connection,Hardware

  - by Tico Raaphorst

  So to say, if i have a VPS which i own now, and i wanted to make the most secure and stable system that i can make. How would i do that? Just to try: I installed debian 7 with LVM Encryption via installation: You get the 2 partitions a /boot and a encrypted partition. When booting you will be prompted to fill in the password to unlock the encryption of the encrypted partition, Which then will have more partitions like /home /usr and swapspace which will automatically mount. Now, i do need to fill in the password over a VNC-SSL connection via the control panel website of the VPS hoster, so they can see my disk encryption password if they wanted to, they have the option if they wanted to look at what i have as data right? Data encryption on VPS , Is it possible to have a 100% secure virtual private server? So lets say i have my server and it is sitting well locked next to me, with the following examples covered bios (you have to replace bios) raid (you have to unlock raid-config) disk (you have to unlock disk encryption) filelike-zip-tar (files are stored in encrypted archives) which are in some other crypted file mounted as partition (archives mounted as partitions) all on the same system So it will be slow but it would be extremely difficult to crack the encryption. So to say if you stole the server. Then i only need to make the connection like ssh safer with single use passwords, block all incoming and outgoing connections but give one "exception" for myself. And maybe one for if i somehow lose my identity for the "exeption" What other overkill but realistic security options are available, i have heard about SElinux?

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• Create account for service

  - by Andy

  I am configuring a new server. The server is running Hudson that is going to copy some files from this server to another. The other server is a virtual machine. Both running Windows Server 2012. Hudson is started on server A with log on as "Local System". When I come to the copy phase it says "Access denied". Changing the log on to "Administrator" works. However, I guess this is bad. I do not have much experience with user management. I tried to create a own hudson account on both servers A and B. I tried to log on as hudson account in the service-management but it doesn't start. How would you create an account for this particular service that has access to the shared folder on server B and can be used to start the service on server A? I guess I need two accounts with same username and password on server A and server B? The folder on Server B is shared with everyone and the guest account is enabled.

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• Anonymous Login attemps from IPs all over Asia, how do I stop them from being able to do this?

  - by Ryan

  We had a successful hack attempt from Russia and one of our servers was used as a staging ground for further attacks, actually somehow they managed to get access to a Windows account called 'services'. I took that server offline as it was our SMTP server and no longer need it (3rd party system in place now). Now some of our other servers are having these ANONYMOUS LOGIN attempts in the Event Viewer that have IP addresses coming from China, Romania, Italy (I guess there's some Europe in there too)... I don't know what these people want but they just keep hitting the server. How can I prevent this? I don't want our servers compromised again, last time our host took our entire hardware node off of the network because it was attacking other systems, causing our services to go down which is really bad. How can I prevent these strange IP addresses from trying to access my servers? They are Windows Server 2003 R2 Enterprise 'containers' (virtual machines) running on a Parallels Virtuozzo HW node, if that makes a difference. I can configure each machine individually as if it were it's own server of course... UPDATE: New login attempts still happening, now these ones are tracing back to Ukraine... WTF.. here is the Event: Successful Network Logon: User Name: Domain: Logon ID: (0x0,0xB4FEB30C) Logon Type: 3 Logon Process: NtLmSsp Authentication Package: NTLM Workstation Name: REANIMAT-328817 Logon GUID: - Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 94.179.189.117 Source Port: 0 For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Here is one from France I found too: Event Type: Success Audit Event Source: Security Event Category: Logon/Logoff Event ID: 540 Date: 1/20/2011 Time: 11:09:50 AM User: NT AUTHORITY\ANONYMOUS LOGON Computer: QA Description: Successful Network Logon: User Name: Domain: Logon ID: (0x0,0xB35D8539) Logon Type: 3 Logon Process: NtLmSsp Authentication Package: NTLM Workstation Name: COMPUTER Logon GUID: - Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 82.238.39.154 Source Port: 0 For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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• How to better copy&paste big files over RDP?

  - by WebMAOhist

  Recently I was making a few attempts to copy&paste a big (1.2 GB) file to remote computer over RDP. The remote computer is virtual testing machine with MS Windows Server 2008 Datacenter. First I tried to copy&paste before midnight when the transfer speed was limited by client computer ISP to 100 kB/s. So, it required a few hours and I was forced to cancel transfer since remote desktop became too unresponsive and sluggish (slow). So, I re-started it over midnight when my local transfer speed is over 4 GB/s 4MB/s (sorry for typo). So, my impression is that independently on speed (broadband) of copy&paste transfer the remote computer becomes sluggish while copying over RDP. At the same time downloading from internet doesn't make remote host sluggish. AFAIU, it is because clipboard of remote computer and so its memory becomes overloaded by transfer. How can I control (restrict) the usage of clipboard for specific process (pasting of file)? What are the possible way to control it? Update: After reading that slow speed of transfer is caused by encryption used for copy&pasting over RDP and since I believe I am more interested in overall efficiency: both the time, or rapidness, of getting file as well as possibility to work without waiting, I changed the question title from: How to control the usage of remote desktop clipboard usage for pasting a big file? to How to better copy&paste big files over RDP? For example, is it better to copy&paste one huge (zip) archive or unzip it and copy paste a folder with unzipped files? And more exactly I wanted to ask: What are possible ways to improve overall experience: the speed of transfer (i.e. availability of needed file) responsiveness of remote host (making remote coputer available for work before completion of copy&pasting)?

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• Possible Solution for Setting up a Linux VPN Server to Encrypt WLAN Traffic of Macs and iPhones on

  - by GorillaPatch

  I would like to set up a VPN server on debian linux to encrypt wireless traffic coming from my Mac or iOS device. I would like to use a certificate-based solution. Setting up a PKI infrastructure and managing certificates is OK for me. 1. Which server to pick? By looking through the internet and here on stackoverflow I found the following possible solutions: strongSwan IPSec and racoon Which solution is feasible for a linode running debian squeeze? 2. How to configure the network? If I understood correctly a VPN has a virtual network interface as an endpoint on the server side. Naively I would think that I need a DHCP server running on the server to assign a dynamic private IP (like of the class C network 192.168.xxx.xxx) to the connecting clients. Next I think I would need to set up masquerading to NAT the incoming VPN traffic to the real interface directly connected to the internet. Is this the right way to go? Do you have any configuration examples? I often saw VPN configurations used to connect to your home network, but that is not what I am looking for. I have a server up in the internet and want to use it as a proxy to encrypt traffic in insecure network environments like public WLANs.

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• Exclamation 403 forbidden for cgi-bin/ and cannot protect site with password

  - by gasgdasdgasdg

  First problem i have is i am getting 403 forbidden error for cgi-bin/ I have created a new /var/www2/ i can access it fine. php runs fine. Second problem is I cannot password protect it. i first tried doing htpasswd, it asks for login but everytime i login it keeps asking for new one. its getting frustrating, i have tried all tricks. and doesn't seem to work. this is a virtual host config inside sites-available. httpd.conf is empty but i have apache2.conf Code: NameVirtualHost 12.12.12.12. <VirtualHost 12.12.12.12> ServerAdmin webmaster@localhost DocumentRoot /var/www2/ <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www2/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /var/www2/cgi-bin/ <Directory "/var/www2/cgi-bin/"> AllowOverride Options Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch AddHandler cgi-script cgi pl Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined ServerSignature On Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost>

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• How to use basic auth for single file in otherwise forbidden Apache directory?

  - by mit

  I want to allow access to a single file in a directory that is otherwise forbidden. This did not work: <VirtualHost 10.10.10.10:80> ServerName example.com DocumentRoot /var/www/html <Directory /var/www/html> Options FollowSymLinks AllowOverride None order allow,deny allow from all </Directory> # disallow the admin directory: <Directory /var/www/html/admin> order allow,deny deny from all </Directory> # but allow this single file:: <Files /var/www/html/admin/allowed.php> AuthType basic AuthName "private area" AuthUserFile /home/webroot/.htusers Require user admin1 </Files> ... </VirtualHost> When I visit http://example.com/admin/allowed.php I get the Forbidden message of the http://example.com/admin/ directory. How can I make an exception for allowed.php? If not possible, maybe I could enumerate all forbidden files in another Files directive? Let's say admin/ contains also user.php and admin.php which should be forbidden in this virtual host.

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