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• Good experiences with bulk rate SMS providers?

  - by jen_h

  We're a pretty popular service, our users are currently sending 100000+ SMS messages (projected 180k this month, and continuing to grow) per month. We're currently using a primary domestic provider that doesn't provide bulk rates and doesn't provide short code access. We're using a few backup providers as well for max redundancy, but aren't thrilled by 'em. We're ideally looking for a service that provides good bulk rates/incentives, good uptime/redundancy/reputation, easy API-integration (including respectable error codes!) ;). Right now, we're looking primarily for a domestic US SMS solution, but aren't averse to using the same provider for both International & US. For those of you using bulk SMS right now - what are your recommendations, experiences, etc. in the bulk SMS domain? It sounds like I'm looking for a golden unicorn here, I know, but any data/recommendations/warnings you've got are helpful!

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• DRS: Unknown JNLP Location

  - by Joe

  We are using Deployment Rule Sets to limit access to the older JRE to well-known applications like - but are running into a problem. One business critical applications has the following properties (*s to protect info): title: Enterprise Services Repository location: null jar location: http://app.*.com:52400/rep/repository/*.jar jar version: null isArtifact: true The application downloads a .jnlp file, and uses java web start to execute. Since the location is null, this application cannot be targeted by a location rule. And the certificate hash method only works when the application is cached (being ran more than once). If cache storing is off, which is the case in some situations, how can this application be targeted? Or at least told to run with an older JRE on start? This problem is specifically noted in this bug Thanks!

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• Allowing users to install fonts in Windows 7 (through GPO)

  - by djk

  Hi, This is somewhat related to my previous question, http://serverfault.com/questions/48155/why-do-installed-fonts-disappear-after-reboot. Having got the font install issue sorted out under XP just fine, recently we've got a Windows 7 workstation and I've created a special GPO for it. Initially it was UAC that was demanding administrative access to C:\windows\fonts despite the fact the policy dictates that directory is writable (as is the relevant registry entries, on XP anyway). The issue now though is that when I try to copy a font or hit install it claims that the font "does not appear to be a valid font". This happens with every type of font as well. Is there some new and special consideration when allowing these changes on Windows 7? Any input would be appreciated. Many thanks, Doug

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• DNS Server Spoofed Request Amplification DDoS - Prevention

  - by Shackrock

  I've been conducting security scans, and a new one popped up for me: DNS Server Spoofed Request Amplification DDoS The remote DNS server answers to any request. It is possible to query the name servers (NS) of the root zone ('.') and get an answer which is bigger than the original request. By spoofing the source IP address, a remote attacker can leverage this 'amplification' to launch a denial of service attack against a third-party host using the remote DNS server. General Solution: Restrict access to your DNS server from public network or reconfigure it to reject such queries. I'm hosting my own DNS for my website. I'm not sure what the solution is here... I'm really looking for some concrete detailed steps to patch this, but haven't found any yet. Any ideas? CentOS5 with WHM and CPanel. Also see: http://securitytnt.com/dns-amplification-attack/

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• FreeBSD 8.2 + Apache 2.2 + mod_auth_pam2: unable to authenticate

  - by zneak

  I've installed Apache 2.2 and mod_auth_pam2 from ports, but I can't get local UNIX authentication to work. When I access the protected part of my local website, I do get the authentication request, and with pam_permit.so, it works. However, when I change pam_permit.so to the real thing, pam_unix.so, I get this message in httpd-error.log: [error] PAM: user 'foo' - not authenticated: authentication error This is the relevant part of my Apache config, though I don't think it's the problem as it works with pam_permit.so: <Location /foo> AuthBasicAuthoritative Off AuthPAM_Enabled on AuthPAM_FallThrough off AuthType Basic AuthName "Secret place" Require valid-user </Location> This is my /etc/pam.d/httpd, though I don't think it's the problem either, since it works with pam_permit.so: auth required pam_unix.so account required pam_unix.so So what am I missing? What does it take to have pam_unix.so work for httpd under FreeBSD?

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• Setting up a chroot sftp on debian server

  - by Kevin Duke

  I'm trying to allow a user "user" to access my server by either sftp or ssh. I want to jail them into a directory with chroot. I read the instructions here however it does not work. I did the following: useradd user modify /etc/ssh/sshd_config and added Match User user ForceCommand internal-sftp ChrootDirectory /home/duke/aa/smart to the bottom of the file changed the subsystem line to Subsystem sftp internal-sftp restarted sshd with /etc/init.d/ssh restart logged in with ssh as user "user" with PuTTY Putty says "Server unexpectly closed the connection". Why is this and how can it be fixed? EDIT Following the suggestions below, I've made the bottom of sshd_config look like: Match User user ChrootDirectory /tmp yet no change. I do get a password OK but I cannot connect via ssh nor sftp. What gives?

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• Create Webmin user for an EC2 Instance

  - by Dean

  I've setup an Amazon EC2 Instance, using the Ubuntu 12.04 AMI (ubuntu/images/ebs/ubuntu-precise-12.04-amd64-server-20120424 (ami-a29943cb)), and I'd like to get Webmin working (so I can setup a DNS). After following the installation instructions on Webmin's site, the installer says I can login with any username/pass of a user who has superuser access. The problem is that the EC2 instance only has 1 user "ubuntu", which can only login using SSH keys -- not a password! I've tried creating users manually and I can't login as those users (even via SSH), so I think it might be a permission thing provided by the AMI. Does anyone know the best way around setting up a login to my webmin?

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• Tunneling traffic through two VPN hops/tunnels.

  - by Roberto Sebestyen

  I am a web developer, and I find myself often working from home. But when I do, I am forced to Remote Desktop to the Office desktop computer and work from there. The reason is because the application I am working on needs to connect to servers at a Data Center via a VPN from the Office Desktop. HomeDesktop (Win7) --- PVN --- OfficeDesktop(WinXP) --- VPN --- Data Center What I would really like to do is, I would like to find a way to be using my Home desktop developing on that, and whenever my computer tries to access servers on the Data Center, I would like to tunnel that traffic through the two VPN tunnels separating me and the Data Center. I have admin privileges on both Office Desktop and Home Desktop, but I do not have any admin privileges in the Data Center. So what kind of tunneling solution could I use here? Is it even possible?

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• Customizing post-commit messages in svn for different users

  - by Suresh

  I have an svn repository that users can access (read/write) using their account OR via tunneling over ssh with svnserve. I also have a post-commit hook that sends mails to specific users for different projects via svnnotify: the typical command is svnnotify <params> --to-regex-map <list of email IDs> <regex> For users who have accounts on the system, the notification email is sent from @machine.domain, which is fine. For users coming in via tunnelling, the email gets sent from @machine.domain, which is a fake address since these users don't have an account - the only reason I specify a tunnel-user id is to keep track of who made which update. So my question (finally) is: is there a way to pass a parameter (the "true" email address) to svnserve so that when the post-commit mail is sent, it can be sent "from" the correct email address ? p.s this is my first post here - if I haven't provided sufficient information, apologies: I'm happy to provide more details.

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• Apache rewrite rules not causes a download dialog of the PHP file

  - by Shaihi

  I have Apache 2.2.17 using the WAMPServer 2.1 installation. I am debugging a website fully local on my computer. I have the following rule in the .htaccess: # Use PHP5 Single php.ini as default AddHandler application/x-httpd-php5s .php Options +FollowSymlinks RewriteEngine on Rewritebase / RewriteRule ^bella/(.*)/(.*)$ beauty.php?beauty_id=$1 [L] RewriteRule ^(argentina|brasil|chile|colombia|espana|mexico|rep_dominicana|uruguay|venezuela|peru|bolivia|cuba|ecuador|panama|paraguay|puerto_rico)/$ country.php?name=$1 [L] RewriteRule ^(argentina|brasil|chile|colombia|espana|mexico|rep_dominicana|uruguay|venezuela|peru|bolivia|cuba|ecuador|panama|paraguay|puerto_rico)/(hi5|facebook|twitter|orkut)/$ socialnetw.php?country=$1&category=$2 [L] The problem When I enable this rule and try to access http://localhost/index.php using FF I get a download dialog for the PHP file. If I comment the Rewrite* part in the .htaccess file then the index.php file loads fine, but navigation in the page is broken...

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• Deleting an undeletable Directory in Windows 7

  - by Kaizen

  I have encountered a problem from time to time but have not been able to resolve it without formatting. I have a directory called d:\DotNet that I want to delete. I cannot because inside this folder there is another folder called: T4 Code generation and Misc. When I try to deleting or access T4 Code generation and Misc., I get the following error: Could not find this item This is no longer located in D:\DotNet. Verify this item's location and try again. Hopefully this is a simple fix.

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• Redirect users to internal webpage on first visit

  - by Sihan Zheng

  I have a lan of maybe 20 - 30 computers, and a Windows server 2003 server on hand (I can also run any x86 Linux distro). What I am trying to do, is to redirect users to a webserver inside the LAN the first time they visit certain domains. For example, the first time a user visits "google.com", they will be redirected to 192.168.1.2 (a webserver, where they will be shown a custom webpage), attempts after that will go to google. Pretty much what I am trying to do, is to provide a captive server like service, showing people a custom webpage the first time they try to access certain websites (but not others). I'm pretty flexable on how this can be done, as long as it works. Can you guys give me an idea on how to approach this problem? I am looking for (hopefully) a free solutions. Thanks

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• How do I debug this FS error on a flash device?

  - by abc

  I have console access to an embedded linux device. This device has flash memory part of which is partitioned as a FAT filesystem. Its running linux-2.6.31. However I am seeing these errors on the console these days and the FAT file system becomes read only. 111109:154925 FAT: Filesystem error (dev loop0) 111109:154925 fat_get_cluster: invalid cluster chain (i_pos 0) 111109:154925 FAT: Filesystem error (dev loop0) 111109:154925 fat_get_cluster: invalid cluster chain (i_pos 0) I cannot understand why this happened? What is the root cause? And what is the fix? I would appreciate answers that can point me how to investigate the possible root cause of this issue on the device.

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• proxy/vpn by dns entry

  - by rcourtna

  I've been using a service by unblock-us.com, which provides a proxy to Canadians/others allowing access to services that are locked down to only US ip addresses. This is easy enough to achieve by setting up a reverse proxy (eg: squid) on a US-hosted server, and then configuring your browser or OS to use that proxy. However, there is something that unblock-us does that I'm not sure how to duplicate. Rather than configuring your OS to use them as a proxy, you can simply change the DNS Server settings on your router to point to their addresses. Any requests to services they support are automatically proxied. The advantage to this is that you don't have to set up every computer in your house, and it "just works" with clients like ps3, xbox, android, etc. Disadvantage is you really don't have control over what gets proxied, as well as there are privacy concerns I suppose. How can I achieve this same functionality on my own us-based slice?

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• What can I do to prevent my user folder from being tampered with by malicious software?

  - by Tom Wijsman

  Let's assume some things: Back-ups do run every X minutes, yet the things I save should be permanent. There's a firewall and virus scanner in place, yet there happens to be a zero day attack on me. I am using Windows. (Although feel free to append Linux / OS X parts to your answer) Here is the problem Any software can change anything inside my user folder. Tampering with the files could cost me my life, whether it's accessing / modifying or wiping them. So, what I want to ask is: Is there a permission-based way to disallow programs from accessing my files in any way by default? Extending on the previous question, can I ensure certain programs can only access certain folders? Are there other less obtrusive ways than using Comodo? Or can I make Comodo less obtrusive? For example, the solution should be proof against (DO NOT RUN): del /F /S /Q %USERPROFILE%

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• Write-but-not-delete permissions on SAMBA

  - by m6a-uds

  Hi! I installed samba on my linux server for public file sharing on the LAN. I works great currently, but I would like to add some security: People from LAN should be able to Read files present and Add new ones, but not delete files. I want to keep this privilege for me ;-) How should-I do this? I have set up a "admin" account having full access even to deletion. There is just left to configure the "guest" acount. Google isn't helping that much right now...

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• nginx points the sub-directory of an alias folder to the base directory

  - by Starry

  I am new to Nginx. Now I have a confusion on nginx configurations: My web site contains folders in different locations: location / { root /Path1 } location ^~ /personal { alias /Path2 } When I query http://mysite/personal, I am accessing the content of /Path2 instead of /Path1 Now I want to add a sub-directory in /personal with specific configurations, so I add: location /personal/download { autoindex on; } But I got 404 error when querying http://mysite/personal/download. According to the error log, I am directed to /Path1/personal/download, which is not correct. How can I configure nginx, such that all access to http://mysite/personal/* will be directed to the same directory in /Path2?

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• Setting up Samba shares on a Linux VPS

  - by 101265052760541259879

  Hi, I'm trying to set up a folder that can be accessed via Windows clients over the net on my Linux VPS on which our companies website resides. I know a little bit about Linux, and have used Samba before to browse Windows shares from a Linux laptop. I'm guessing it's possible to do the reverse - to share a folder from Linux TO a Windows client. I have root SSH access to the VPS, would anyknow know what steps I need to take to set up the share, and how I can secure it, ideally with a simple username/password so the Windows clients can connect easily? Many thanks, Jack

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• IIS application pool and UAC

  - by rocku

  Hi, My system is Windows Server 2008 R2 with IIS 7.5. I need to run a site which is allowed to do some administrative tasks. I have created an AD user account and added it to all the required groups. The site's application pool runs with custom identity set to this AD account. This works, however some tasks fail with 'Access is denied'. I have found that it was caused by UAC (with UAC disabled everything works ok). So my question is - is it possible to run an application pool in elevated mode without globally disabling UAC? Possibly just disabling UAC just for this one account.

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• Secure PHP environments with PHP-FPM and SFTP

  - by pdd

  I'd like to set up secure environments for a small number of untrusted PHP websites on a Debian server. Right now everything runs on the same Apache2 with mod_php5 and vsftpd for administrative file access, so there is room for improvement. The idea is to use nginx instead of apache, SFTP through OpenSSH instead of vsftpd and chrooted (in sshd_config), individual users for each website with their own pool of PHP processes. All these users and nginx are part of the same group. Now in theory I can set 700 permissions on all PHP scripts and 750 on static files that nginx has to serve up. Theoretically, if a website is compromised all the other users' data is safe, right? Are there better solutions that require less setup time and memory per website? Cheers

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• VPN Split Tunneling - Pros and Cons and how to achieve?

  - by Theveloper

  Well this is the dilemma, I want remote clients to connect to my network and only route local access through the VPN. This is split tunneling, the client uses its internet connection for all other internet requests and the VPN tunnel to my network for local requests. There's a couple of issues that arise: split tunneling in Windows is achieved by unticking an option which reads "Use default gateway on remote network" in the TCP/IP settings of the client VPN connection. At any point the user can tick it and route all his internet traffic through my network eating away at my bandwidth and being cloaked by my IP address. This is unacceptable. Issue number 2 is that if the client is split tunneling, he becomes a gateway between the internet and my network, this is also unacceptable. My questions are: how does one achieve split tunneling serverside? And is the latter issue a valid con worthy of worry? Any thoughts would be appreciated!

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• DrayTek Vigor 2920(n): VPN with VLAN restrictions?

  - by Dirk

  Hi, I'm currently installing a DrayTek Vigor 2920n router in a new office. This router is to be used for 2 seperate companies. For one of these companies, the router has a LAN-2-LAN (VPN) connection to a datacenter configured. The other company should not be able to access this other (VPN-)network. I'm aware of the capability of this router to have VLAN's, but I cannot figure out how to configure the VPN-connection to only be accessible for VLAN0 and not for VLAN1. I know I can also add another router to physically split both networks, but we bought the DrayTek with the idea that it could easily have the VPN-connection available for VLAN0 and not for VLAN1. VLAN1 can easily be in another subnet, that's fine, although, I don't know how to configure that on this DrayTek. Can anyone point me in the right direction? Thanks in advance, Dirk

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• How to configure CruiseControl.Net for Windows Authentication?

  - by balu

  I am using CruiseControl.Net for continuous integration which is now accessing the dashboard through login plugin, which in turn is authenticating and authorizing after verifying it with a set of users saved as XML file in the CruiseControl.Net server. Now, i need to bring in Windows Authentication to the system whereby which CruiseControl.Net server webdashboard when accessed from a client machine(local machine associated with a common server), would be authenticated and be authorized to access the CruiseControl.Net features based on the authority of the logged in users. Kindly guide me to go ahead with this, appreciate all kinds of resources that would be helpful for achieving this. Thanks.

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• Dual mode 802.11n PCI adapters

  - by Mike Thompson

  I have recently bought a DLink DIR-825 router. It is a dual mode (2.4GZ & 5GHZ) 802.11n wireless access point/router. What is a good PCI adapter to pair with it? DLink appear to only make one dual mode adapter, which is the DWA-160 USB adapter. They don't seem to have a PCI adapter in their range, which seems very strange. Do any of the other network manufacturers make a good dual mode adapter?

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• Get hard drive to spin up upon mouse movement

  - by John

  My storage drive which does not contain the OS stops spinning after a few minutes. This is annoying and totally defeats the purpose of having a fast access drive. The drive will NOT spin up when I use the mouse! It only spins up when accessed. However, I don't want it to spin all the time. I would like it to spin up anytime there is mouse activity so it is at the ready when I am using the computer, but go to sleep during inactivity. Can anyone think of a trick to get a secondary drive to spin up on a mouse movement?

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