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• Best blog package/platform (java, php etc)?

  - by user50912

  Hi Folks, I want to set up a blog, but I want it to reside on a URL I've bought, I also don't want any of the ads and such that sit around other blogs on blog specific sites like blogspot and generally want more control. I was thinking of getting shared hosting with mysql and such to get it going (as opposed to a VM which would be overkill). Then I just need to decide on the easiest quickest (and most secure) way of getting something up there. After some googling, I see b2evolution.net which sits on php, or Apache Roller, which seems to sit on Java. Could anyone offer any advice on whats my best approach here? Are there security concerns with either or has anyone any experience in this area? I really want setup time to be minimal, so I can concentrate of the feel of the blog rather than whats under the hood. Many Thanks.

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• Using Windows Azure storage for backup

  - by Bruno

  I am currently looking at Windows Azure blobs as an option for backing up archive data. I want to be able to upload files from an external windows machine via the internet but I don't know enough about Windows Azure storage to make a decision. Some of the questions I have are How do I upload the files. Is there a client application, can I use robocopy? Would it be fast enough? i.e. Could I download or upload 1TB of data in a week? Is it secure? Hopefully someone smarter than me can help me :-)

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• Strange RDP / Remote Desktop problem

  - by John Landheer

  I'll try to be as specific as I can be: Server is running SBS 2008 R2 (with all updates) Server is connected to the internet Server has 2 NIC's, one is disabled Server is running RDP Service (accessible directly from the internet, I know, not as secure as it should be) Computers A and B are on the same local net. Computers A and B are both Windows 7. Users X and Y are both admins on the server Computer A can connect as user X to the server with mstsc Computer A can connect as user Y to the server with mstsc Computer B can connect as user X to the server with mstsc computer B CANNOT connect as user Y to the server with mstsc! The last point is the problem, I get an authentication error. This used to work flawlessly for the last year. The server and desktops have been rebooted. I find it very strange....

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• 3 Root accounts in MySQl database

  - by hairbymaurice

  Hello, I have managed to get mySQL running under Ubuntu 8.10, I am now diligently trying to secure the database and am adding passwords for the root users. My question: I have a root user under the host "kickseed" with no password set I have no idea what kickseed is as the database is installed under localhost, on searching around i have discovered that this is something to do with the ubuntu OS itself. Is it safe to delete this user account from MySQL or is it used for something by the OS? If i need to keep it should i /can i protect it with a password? Also i have another root account under the host IP 127.0.0.1 again can i delete this? My absolute preference would be to have only one account with root access but i do not want to delete these accounts if they are necessary. Thanks for tolerating a newbie Regards Hairby

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• List iterator not dereferencable?

  - by Roderick

  Hi All I get the error "list iterator not dereferencable" when using the following code: bool done = false; while (!_list_of_messages.empty() && !done) { // request the next message to create a frame // DEBUG ERROR WHEN NEXT LINE IS EXECUTED: Counted_message_reader reader = *(_list_of_messages.begin()); if (reader.has_more_data()) { _list_of_frames.push_back(new Dlp_data_frame(reader, _send_compressed_frames)); done = true; } else { _list_of_messages.pop_front(); } } (The line beginning with "Counted_message_reader..." is the one giving the problem) Note that the error doesn't always occur but seemingly at random times (usually when there's lots of buffered data). _list_of_messages is declared as follows: std::list<Counted_message_reader> _list_of_messages; In the surrounding code we could do pop_front, push_front and size, empty or end checks on _list_of_messages but no erase calls. I've studied the STL documentation and can't see any glaring problems. Is there something wrong with the above code or do I have a memory leak somewhere? Thanks! Appreciated!

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• How can I force all requests to be SSL when using EC2 load balancer?

  - by chris

  I currently have a single EC2 instance which is forcing all requests to be secure by using mod_rewrite: RewriteEngine On RewriteCond %{SERVER_PORT} !443 RewriteRule ^(.*)$ https://%{HTTP_HOST}$1 [R,L] I am planning on moving to a load balanced setup, with multiple back-end instances. If I set up my EC2 load balancer with my certs, do I need to use SSL to communicate between the LB and my instances? If not, is it as simple as replacing the RewriteCond with RewriteCond %{HTTP:X-Forwarded_Proto} ^http$ Edit: I tried using the x-forwarded-proto, but it does not appear to work. Is there another way to detect if someone is connected to the LB via SSL?

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• How to use ssh-agent (and graphic passphrase dialog) in Kubuntu 10.10?

  - by halo

  I have recently switched from Ubuntu to kubuntu, both version 10.10. Unfortunately in KDE the ssh passphrase dialog doesn't work out of the box. Everytime my ssh private key is used I need to enter my password. This is neither secure nor comfortable. I have done comprehensive research on the net but only found out dated documentation. Several things I tried didn't work out. Current status: SSH setup working with direct passphrase input ssh-agent running in X session $SSH_AUTH_SOCK set to ssh-agent's socket in X session How to enable ssh-agent for keeping the passphrase in memory for ~15mins and as a bonus always use a graphical dialog for its input? I use asymmetric SSH key pairs for pushing/pulling in Git VCS logging remotely into different server systems

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• AWS VPC - why have a private subnet at all?

  - by jkim

  In Amazon VPC, the VPC creation wizard allows one to create a single "public subnet" or have the wizard create a "public subnet" and a "private subnet". Initially, the public and private subnet option seemed good for security reasons, allowing webservers to be put in the public subnet and database servers to go in the private subnet. But I've since learned that EC2 instances in the public subnet are not reachable from the Internet unless you associate an Amazon ElasticIP with the EC2 instance. So it seems with just a single public subnet configuration, one could just opt to not associate an ElasticIP with the database servers and end up with the same sort of security. Can anyone explain the advantages of a public + private subnet configuration? Are the advantages of this config more to do with auto-scaling, or is it actually less secure to have a single public subnet?

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• Exchange 2010 550 5.7.1 unable to relay

  - by isorfir

  I have a website application that needs to send email via our Exchange servers. It sends email internally fine, but when sending to an external address I get the 550 5.7.1 unable to relay error. I followed this guide to create a connector to allow relay. Unfortunately, all office email was trying to use that connector and was not being routed correctly. It also appeared as though it opened it up for spammers to use. This is obviously unacceptable and a secure method is needed.

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• nginx + reverse proxy question

  - by Joe Pilon

  Hello, I am using nginx right now for our production sites with the reverse proxy to apache that's on the same server and it works fantastic. I'm wondering if I can do this: Install nginx on box #1 in say Canada and have it reverse proxy http requests to box #2 in a datacenter in the USA. I know there may be some latency or delays in loading the page etc but that would probably be not noticable to the end user especially if both servers have 100mb ports. Box #2 only does the apache requests, all images are served from box #1 via nginx. Now, would the end visitor be able to tell in any which way that there are 2 boxes being used? Box #2 has sensitive data which we can't have stolen in the event of hacking etc, so this method helps keep things a bit more secure. Anyone know if this is possible or have done something similar?

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• Client-side certificates

  - by walshms

  My company purchased a wildcard certificate from a vendor. This certificate was successfully configured with Apache 2.2 to secure a subdomain. Everything on the SSL side works. Now I'm required to generate x509 client-side certificates to issue for this subdomain. I'm following along this page: (http://www.vanemery.com/Linux/Apache/apache-SSL.html), starting with "Creating Client Certificates for Authentication". I've generated the p12 files and successfully imported them into Firefox. When I browse to the site now, I get an error in FireFox that says "The connection to the server was reset while the page was loading." I think my problem is coming from not signing the client-side correctly. When I sign the client-side certificate, I'm using the PEM file (RapidSSL_CA_bundle.pem) from RapidSSL (who we bought the certificate from) for the -CA argument. For the -CAkey argument, I'm using the private key of the server. Is this correct?

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• Mysql refusing connection: a very special connection issue

  - by k to the z

  I have my programers remoting into a web server with windows rdp. This web server is the only machine that can access another mysql server in a secure zone. When I remote into the web server from my machine I am able to connect to the mysql server through the mysql workbench on the web server. However, when I try this same procedure from another person's computer I can get into the server via rdp. I just can't connect to mysql using the workbench. I have checked and re checked the credentials and connection information. They match. I've had other people check and re check the credentials. As far as mysql permissions are concerned this user is allowed to connect from any machine. Plus I'm remoting into the same web server. The only difference seems to be which computer is remoting into the webserver. wtf?

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• LDAP replication breaking referrals

  - by MasterZ

  We have an issue that we believe is caused by ldap replication changing the port of the referal from 686 (secure) to 389 (unsecure). If we setup a new referral everything works, but then as soon as we change someone's password it changes on the master, and then the master replicates and the referral breaks. Any further attempts to modify someone's account give the error "PAM: Cannot connect to LDAP". We used snoop and monitored the firewall to see what was going on. The first password attempt (the one that works) goes over port 686 (as it is supposed to) but every subsequent attempt attempts to use port 389, and therefore fails. We only have 1 referral configured on the client, port 686

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• Enter response once prompt returns?

  - by mjb

  It's neither a secure idea nor one I'd recommend elsewhere, but I have a situation when occasionally it takes a while for my Ansible ad-hoc command to respond. I'd love to pipe or args or whatever is needed to push the required text into the prompt so I can walk away and know it will finish. Ex: $ ansible all -m shell -a "reboot" --ask-pass Password: blah blah blah it worked I'd love to send an argument or << or something to get the password in. Is that possible?

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• Configure session length with htaccess

  - by brianpartridge

  My home web server is running the stock OSX Apache 2 install. I have some directories with content that I want to secure, so I setup htaccess files for those areas. However, I find it annoying to have to login to those areas as frequently as I do. Once I'm logged in I'd like to not have to login again for a long time, similar to setting a long time in a cookie. But, I'd like to increase the life time of the authenticated session with htaccess. I've googled but haven't found what I'm looking for, maybe because I'm looking for the wrong term. I want to configure the 'session length', 'session timeout', 'time limit', or 'expiration' for users authenticated via htaccess. Any thoughts?

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• Problem with domain getting turned to IP address for https

  - by user229133

  I have a website that is using Windows Server 2003. The site is called https://mysite.com/ and at ip address 111.1.1.1. Now when I log into the site all my relative links that are generated using NavURL (<%# NavURL("Images/Menu/img.gif")%) are saying "http://111.1.1.1/Images/Menu/img.gif" instead of "https://mysite.com/Images/Menu/img.gif". This is causing an error because it needs to be secure. I'm sure there is a setting on the server somewhere to point to the name and not the ip, but I don't know where. Thanks for your help.

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• Putting a whole linux server under source control (git)

  - by Tobias Hertkorn

  I am thinking about putting my whole linux server under version control using git. The reason behind it being that that might be the easiest way to detect malicious modifications/rootkits. All I would naively think is necessary to check the integrity of the system: Mount the linux partition every week or so using a rescue system, check if the git repository is still untempered and then issue a git status to detect any changes made to the system. Apart from the obvious waste in disk space, are there any other negative side-effects? Is it a totally crazy idea? Is it even a secure way to check against rootkits since I most likely would have to at least exclude /dev and /proc ?

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• How to use ssh-agent (and graphic passphrase dialog) in Kubuntu 10.10?

  - by halo

  I have recently switched from Ubuntu to kubuntu, both version 10.10. Unfortunately in KDE the ssh passphrase dialog doesn't work out of the box. Everytime my ssh private key is used I need to enter my password. This is neither secure nor comfortable. I have done comprehensive research on the net but only found out dated documentation. Several things I tried didn't work out. Current status: SSH setup working with direct passphrase input ssh-agent running in X session $SSH_AUTH_SOCK set to ssh-agent's socket in X session How to enable ssh-agent for keeping the passphrase in memory for ~15mins and as a bonus always use a graphical dialog for its input? I use asymmetric SSH key pairs for pushing/pulling in Git VCS logging remotely into different server systems

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• ssl_error_rx_record_too_long error on IIS - site was working, suddenly stopped

  - by JK01

  I am suddenly getting this error connecting to localhost IIS on my development machine. It has been working fine for ages, and now suddenly has this error in Firefox: Secure Connection Failed An error occurred during a connection to localhost. SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long) I have googled and found no clear explanation. In IE it says: Internet Explorer cannot display the webpage\ In Chrome it says: Oops! This link appears to be broken.

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• Got root, now how should I configure my server?

  - by L. De Leo

  I've been a developer for years and by trade I had to know a little bit of server side configuration. But now I find myself needing to manage my own VPS instance (Amazon EC2) and I'm lost. I'd like to know what are the common ways to configure an Apache and MySQL server that is secure and efficient. For example right now I'm doing everything as root but I doubt that's the best way at all. My whole Apache is configured to serve 1 site when I'd like it to be able to serve multiple sites. Where do I start?

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• Possible to redirect from HTTPS to HTTP behind load-balancer?

  - by Derek Hunziker

  I have a basic ASP.NET application that sits behind an F5 load-balancer. Incoming SSL requests (over HTTPS) terminate at the load-balancer and all internal communication between the load-balancer and my application servers is unsecure (over HTTP). When a unsecure request comes in, my app is able to use Response.Redirect("https://...") to redirect a secure URL with no problems. However, the other direction appears to be impossible - I cannot redirect from HTTPS to HTTP using Response.Redirect() from my application. The URL remains HTTPS for the client and does not change. Could the F5 be preventing the redirect for ever reaching the client? Is there any special configuration necessary to let this happen?

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• iOS 7: Best way to implement an textview that presents previous input but is easy to clear

  - by Frank R.

  I'm porting a Mac app to the iPhone and I've run into an unexpected problem. On the Mac there's a text field that is automatically pre-selected (= first responder) when a dialog shows up. The text field shows the text you entered in the field the last time and the text is pre-selected so that if you just start typing it gets cleared away. If you want to edit the existing text instead you just hit the forwards or backwards arrow. On the iPhone this behavior seems very hard to implement. The text view shows up with the old text and I can even get it to pre-select but whatever I do the result is not quite right. When I use [aTextView setMarkedText: myText selectedRange: newRange]; the text does show up as marked and if I just start typing the old text goes away. However there's no equivalent to the cursor keys on iOS, so I cannot NOT erase the text.. which is hardly the point. What kind of iOS idiom would be appropriate for giving the option to either edit or overwrite existing text? Best regards, Frank

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• Cannot access Nagios Web Interface

  - by Dominiqs

  After successfully installing Nagios core 3.4.1 (i also installed plug-in1.4.11) on our linux rhel 5.3 server i cannot login to the nagios web interface.I am running apache 2.2.3 I am using internet explorer 8 and also firefox 3.6.3 When i try to enter the url http//localhost/nagios/ on a desktop (on the same network as the Nagios server)it does seem to like it but if i try http//x.x.x.x/nagios/ (where x.x.x.x is the IP address of my nagios server) it likes it but then the authentication popup appears after entering the password and username(nagiosadmin) it throws the errors below The server x.x.x.x at Nagios access requires a username and password Warning this server is requesting that your username and password be sent in an insecure manner(basic authentication without a secure connection) After a few attempts i get error 401 authentication required error from internet explorer ;this server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials or your browser doesnt understand how to supply the credentials required. Help Please anyone..seems like an authentication issue

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• Accessing our Intranet from outside our Network - WITHOUT VPN

  - by westexasman

  We just upgraded our company intranet from an IIS based, ASP (poorly written) server/code base to a Windows Server 2008 r2 (Apache/MySQL/PHP) server. The old server allowed users to login to intranet.xxx.org using there AD user/pass which then lead them to the company Intranet from basically anywhere they had Internet access. We want to mimic that functionality (or change it to something more secure) with the new setup. This was seemingly setup for off-site employees running on a state network. The state network does not allow VPN, therefor, we needed a way to allow those employees access to the Intranet. So, how do we go about allowing users to login from the outside world and gain access to our Intranet?

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• mod_rewrite ssl redirect

  - by Thomas

  Hi all, I want to use mod_rewrite to ensure that certain pages are served with SSL and all others normally, but I am having trouble getting it to work This works (redirect to SSL when request uri is for users or cart) RewriteCond %{SERVER_PORT} 80 RewriteCond %{REQUEST_URI} users [OR] RewriteCond %{REQUEST_URI} cart RewriteRule ^(.*)$ https://secure.host.tld/$1 [R,L] So, to accomodate for a user not to keep browsing the site with ssl, when requesting other uris, I thought the below, but doesn't work: (when port is 443 and request uri is not one of uris that need to be served by ssl, redirect back to normal host) RewriteCond %{SERVER_PORT} 443 RewriteCond %{REQUEST_URI} !^/users [OR] RewriteCond %{REQUEST_URI} !group RewriteRule ^/?(users|groups)(.*)$ http://host.tld/$1 [R,L] Any help? Thanks

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