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• Authentication mechanism comparison

  - by Heavy Bytes

  I have to start a new project where user authentication/management will be required. A lot of websites use existing authentication mechanisms like facebook/twitter/openID/google/etc (even SO). While I might understand that they are used to simplify some parts of this workflow can someone enumerate the pluses and minuses of using one of these authentication mechanisms vs. an usual user creation and what should I look for when I do this? Thanks in advance!

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• REST Authentication in PHP (CodeIgniter)

  - by zidane

  I writing REST API form my web application. Application is written using CodeIgniter framework. Application itself is working fine, but I'm stuck on making REST Authentication. I think that basic Http Authentication will be good enough for some time. Public API is not yet planned. Is there any code example how to achieve REST Authentication so after user is authenticated he can freely call all protected methods.

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• IIS 7.5 Windows Authentication Not Working in Chrome

  - by Sam

  On a new installation of IIS 7.5 I have setup Windows Authentication on my Intranet. The providers I have used are 'NTLM' and negotiate in that order. This works fine in IE and Firefox but in chrome I get the following This web page is not available The web page at http://mysite.com/myintranet.php might be temporarily down or it may have moved permanently to a new web address. Error 338 (net::ERR_INVALID_AUTH_CREDENTIALS): Unknown error. I've tried looking online for a solution without any success. I'm running the latest version of Chrome 21.0.1180.60

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• In SASL authentication, are the messages between a particular client and server the same every time

  - by karenc

  I wrote a test client and server using the Cyrus SASL library, and I'm manually forcing it to select GSSAPI as the mechanism. While debugging, I printed the md5sum of each message as it was passed between the two. I noticed that the sequence seems to be the same every time I connect. That is, if the message sequence on the first negotiation was clientMessage1, serverResponse1, clientMessage2, etc... to successful authentication, if I then restart my client, the same clientMessage1, serverResponse2, clientMessage2,etc... sequence is repeated. It seems to me like it would be a security concern. Is this the correct behavior and if so, should I be wrapping these communications in TLS or something?

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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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• Digest authentication not working: endless cycles of asking for user/pass

  - by bcmcfc

  I'm trying to setup my SVN repository for access remotely. In doing so I have some settings under Apache's dav_svn.conf file. When navigating to hostname/svn, or using Tortoise to do the same it prompts for the user name and password as expected. However, when entering the correct user name and pass that were set in the password file linked to under AuthUserFile it just asks for the credentials again. I think I'm probably missing something simple? The server is running Ubuntu Server 9.10. Accessing SVN remotely does currently work if the authentication lines of dav_svn.conf are commented out. These are the contents of the dav_svn.conf file: <Location /svn> DAV svn SVNPath /home/svn/repo AuthType Digest AuthName "Subversion Repository" AuthDigestDomain /svn/ AuthUserFile /etc/svn_authfile Require valid-user </Location>

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• Bypass IIS Basic Authentication for localhost

  - by George

  I'd like to have a website authenticated with basic auth, but then also allow the website to access itself locally. That is, I want to allow unauthenticated access only from localhost. In IIS I have only basic authentication enabled (not worrying about SSL for now), and I have the correct file system permissions such that outside users can login successfully and view the website. I have tried setting IIS_IUSR as owner of the directory, and added IUSR with modify permissions, however I'm still getting a 401 error when the website tries to access itself. Anyone have any idea how to get this to work?

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• Windows authentication through IE - specify the domain

  - by Chris W

  This question really relates to allowing to logon to a SharePoint installation from home but I guess it's a general IIS security question. When the login box pops up to collect the windows credentials the user can just type in their user name on Safari/Chrome/FF and they can login correctly. On IE authentication fails as it seems to pass their local machine name by default and the user needs to replace this with domain\user. Not a big problem in some cases but we'd prefer it if the users didn't have to enter the domain name portion. Is this simply a feature of IE that we can't control or is their something we can do with IIS/AD etc that will allow us to provide a default domain if one isn't specified?

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• Convert svn repository to hg - authentication fails

  - by Kim L

  I'm trying to convert an existing svn repository to a mercurial repo with the following command hg convert <repository> <folder> My problem is that the svn repository's authentication is done with p12 certificates. I'm a bit lost on how to configure the certificate for the hg client so that I can pull the svn repo and convert it. Currently, if I try to run the above command, I get initializing destination hg-client repository abort: error: _ssl.c:480: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure In other words, it cannot find the required certificate. The question is, how do I configure my hg client so that it can use my certificate? I'm using the command line hg client on linux.

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• Double VPN Network Authentication

  - by Pyromanci

  I have a project I'm working on and looking for some info. Right now I have a VPN network using Cisco Pix 501's for the vpn clients and a Cisco VPN Concentrator 3000 for the VPN Server. Since the Pix is constantly connected to the vpn, I want to add a extra level of authentication. Meaning when the user on the other end goes to access anything on the VPN they are asked for a username password before the connection is established. I've never done this sort of structure before. So I'm not even sure where to really being or even if my current hardware can do something like this, or if i need to through in some sort of radius/LDAP/Active Directory type server into the mix.

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• DKIM for email through Google Apps domain with external outbound relay

  - by David Gardiner

  I'd like to enable the new Domain Keys DKIM email authentication feature for a domain hosted in Google Apps. Some of my users use an external SMTP gateway (such that when they send email, it doesn't go through smtp.gmail.com). I have an SPF record configured for the domain, and this allows the external SMTP gateways as valid SMTP hosts. (I realise SPF is different to DKIM) Will enabling DKIM adversely affect the external gateway email? eg. Are the externally sent emails at risk of being marked as spam because they would not have the DKIM signature, or will DKIM only positively benefit emails sent through Google's SMTP server?

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• Squid/Kerberos authentication with only Linux

  - by user28362

  Hi, I would like to know if it possible to let a Windows Xp machine authenticate to Squid (Linux) using Kerberos without the need of an Active Directory domain. I only want to create a Kerberos ticket on the client side, which should give the client access to squid (using I.E.). I only found tutorials about configuring A.D./Squid, not an environment with only Linux servers. Thanks Update: The kerberos setup is correctly done, the proxy and client can get tickets. As for the browser (FF/IE), I get: ERROR Cache Access Denied While trying to retrieve the URL: http://www.google.com/ The following error was encountered: * Cache Access Denied. Sorry, you are not currently allowed to request: http://www.google.com/ from this cache until you have authenticated yourself. In kerberos, I get: squid_kerb_auth: Got 'YR ElRNTVMTUABBAABAB4IIogAAAAAAAAAAAAAAAAAAAAAFASgDAAAADw==' from squid (length: 59). squid_kerb_auth: parseNegTokenInit failed with rc=101 squid_kerb_auth: received type 1 NTLM token This message is strange, as I didn't configure NTLM. It looks like the browser uses the wrong authentication methode.

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• HTTP 401 error in Windows Authentication disappears after swapping Providers

  - by Ray Cheng

  The IIS 7 on Windows 2008 R2 is acting really weird. We deploy our web apps as web sites with appcmd.exe. After they are deployed, if I browse to them, I'll get HTTP 401 errors. The web sites are only have Windows Authentication enabled and the providers are Negotiate and NTLM in such order. But if I swap the providers, the HTTP 401 error goes away. Even if I swap it back, the errors are still gone. So the order of the providers doesn't seem to matter, what matters is the swapping. It must have triggered something. Even if we delete the web site and application pool and reinstall the web sites, the errors are still gone. So far, we can't reproduce it easily since it happens randomly. Has anyone experienced this? How do I go about to troubleshoot it?

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• Configuring htaccess to show authentication prompt only for subdomain

  - by Philipp Lenssen

  How do I write the htaccess so that it will only require authentication when on admin.example.com, but not on www.example.com (like by using some if-else clause)? Background: I have a site running in two modes: The admin mode should be reached at something like admin.example.com, whereas the normal mode would be www.example.com -- but both should point to the same directory & scripts within them (the scripts then turn on certain editing features by checking if the script is accessed from the admin subdomain). Edit: I can now see this has been asked and answered at StackOverflow, though I can't get the top answer to work for me...

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• System user authentication via web interface [closed]

  - by donodarazao

  Background: We have one pretty slow and expensive satellite Internet connection that is shared in a network with 5-50 users. To limit traffic, users shall pay a certain sum of money per hour. Routing and traffic accounting on user basis is done by a opensuse 10.3 server. Login is done via pppoe, and for each connection, username, bytes_sent, bytes_rcvd, start_time, end_time,etc are written into a mysql database. Now it was decided that we want to change from time-based to volume-based pricing. As the original developer who installed the system a couple of years ago isn't available, I'm trying to do the changes. Although I'm absolutely new to all this, there is some progress. However, there's one point I'm absolutely stuck. Up to now, only administrators can access connection details and billing information via a web interface. But as volume-based prices are less transparent to users than time-based prices, it is essential that users themselves can check their connections and how much they cost via the web interface. For this, we need some kind of user authentication. Actual question: How to develop such a user authentication? Every user has a linux system user account. With this user name and password, connection to the pppoe-server is made by the client machines. I thought about two possibles ways to authenticate users: First possibility: Users type username and password in a form. This is then somehow checked. We already have to possibilities to change passwords via the web interface. Here are parts of the code: Part of the Perl script the homepage is linked to: #!/usr/bin/perl use CGI; use CGI::Carp qw(fatalsToBrowser); use lib '../lib'; use own_perl_module; my @error; my $data; $query = new CGI; $username = $query->param('username') || ''; $oldpasswd = $query->param('oldpasswd') || ''; $passwd = $query->param('passwd') || ''; $passwd2 = $query->param('passwd2') || ''; own_perl_module::connect(); if ($query->param('submit')) { my $benutzer = own_perl_module::select_benutzer(username => $username) or push @error, "user not exists"; push @error, "your password?!?" unless $passwd; unless (@error) { own_perl_module::update_benutzer($benutzer->{id}, { oldpasswd => $oldpasswd, passwd => $passwd, passwd2 => $passwd2 }, error => \@error) and push @error, "Password changed."; } } Here's part of the sub update_benutzer in the own_perl_module: if ($dat-{passwd} ne '') { my $username = $dat-{username} || $select-{username}; my $system = "./chpasswd.pl '$username' '$dat-{passwd}'" . (defined($dat-{oldpasswd}) ? " '$dat-{oldpasswd}'" : undef); my $answer = $system; if ($? != 0) { chomp($answer); push @$error, $answer || "error changing password ($?)"; Here's chpasswd.pl: #!/usr/bin/perl use FileHandle; use IPC::Open3; local $username = shift; local $passwd = shift; local $oldpasswd = shift; local $chat = { 'Old Password: $' => sub { print POUT "$oldpasswd\n"; }, 'New password: $' => sub { print POUT "$passwd\n"; }, 'Re-enter new password: $' => sub { print POUT "$passwd\n"; }, '(.*)\n$' => sub { print "$1\n"; exit 1; } }; local $/ = \1; my $command; if (defined($oldpasswd)) { $command = "sudo -u '$username' /usr/bin/passwd"; } else { $command = "sudo /usr/bin/passwd '$username'"; } $pid = open3(\*POUT, \*PIN, \*PERR, $command) or die; my $buffer; LOOP: while($_ = <PERR>) { $buffer .= $_; foreach (keys(%$chat)) { if ($buffer =~ /$_/i) { $buffer = undef; &{$chat->{$_}}; } } } exit; Could this somehow be adjusted to verify users, but not changing user passwords? The second possibility I see: all pppoe connections are logged in the mysql database. If I could somehow retrieve the username (or uid) of the user connected by pppoe, this could be used to authenticate users. Users could only check their internet connections and costs when they are online (and thus paying money), but this could be tolerated. Here's a line of the script that inserts connections into the database: my $username = $ENV{PEERNAME}; I thought it would be easy to use this variable, but $username seems to be always empty in test-scripts (print $username). Any idea how to retrieve the user connected to the pppoe server? Sorry for the long question! Any help would be very much appreciated. :)

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• SSL Certificates, two-way authentication and loadbalancers

  - by 5arx

  We're looking to implement two-way authentication with client certificates for a privileged subset of our application users. The idea will be that if a certificate is detected the user will be asked for an additional password/PIN and that will be used to verify the certificate and user. Ordinary users will continue to authenticate themselves via the standard login mechanism. Our production environment (hosted by a well-known company) comprises load-balanced application servers and I'm unclear as to how this set-up will handle the certificates and I'm not certain if there are any pitfalls I should be aware of. I would very appreciate some thoughts, comments or real-world advice on the subject.

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• OS X Login Authentication Against Leopard Server

  - by mattdwen

  I am doing a few tests with OS X Server before I have to do a deploy in a few months. I have configured Open Directory, and created a few users. I've configured Directory Utility on a 10.5 client, but the login authentication doesn't work the way I would expect. I would expect I could user a username/password from any user created in Open Directory and be able to log into the client. Instead, it appears I need to create a local user, which you then sync with a directory user using Directory Utility. Alternatively, if I add an Active Directory config to the client, I can use any AD user, as I would expect. Am I hoping for the impossible, or is something likely wrong with the configuration?

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• SSH authentication working unless ran from script??

  - by awright418

  I have set up my server to allow key/pair authentication by following instructions similar to what is found in this post. As far as I can tell that is working correctly. If I do the following, for example, it works correctly: ssh [email protected] It will NOT prompt me for a password. This is what I want to happen. However if I write a small bash script like this: #!/bin/bash -x ssh [email protected] and execute with: sudo ./mytestscript.sh ...it will prompt me with: [email protected]'s password: What am I doing wrong? I need to be able to login from within my script without being prompted for a password!

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• Google Chrome and kerberos authentication against Apache

  - by Lars

  I've managed to get kerberos authentication to work now with Apache and Likewise Open but so far, Google Chrome doesn't seem to play fair. Unless I start it with chrome.exe --auth-server-whitelist="*company.com" it does only pop-up a login window but will not accept any credentials at all. As far as I know, the --auth-server-whitelist option should only be used when trying to get Single-Sign-On (SSO) to work, but if you are fine with a log-in window it should work directly out of the box, but so far it doesn't. This is the error I get in the apache logs. [Tue Dec 13 08:49:04 2011] [error] [client 192.168.1.15] failed to verify krb5 credentials: Unknown code krb5 7

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• Google Apps e-mail being rejected from some domains

  - by Paul J. Lucas

  I'm migrating e-mail for my domains to Google Apps' e-mail. Most everything seems to work except e-mail sent to any user at (at least) sonic.net is rejected with a message of the form (where any-address has been substituted for my friend's address): From: Mail Delivery Subsystem <[email protected]> Date: March 11, 2010 10:04:48 AM PST To: [email protected] Subject: Delivery Status Notification (Failure) Delivered-To: [email protected] Received: by 10.229.194.26 with SMTP id dw26cs8717qcb; Thu, 11 Mar 2010 10:04:48 -0800 (PST) Received: by 10.223.68.143 with SMTP id v15mr3841599fai.62.1268330688325; Thu, 11 Mar 2010 10:04:48 -0800 (PST) Received: by 10.223.68.143 with SMTP id v15mr5119424fai.62; Thu, 11 Mar 2010 10:04:48 -0800 (PST) Mime-Version: 1.0 Return-Path: <> X-Failed-Recipients: [email protected] Message-Id: <[email protected]> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Delivery to the following recipient failed permanently: [email protected] Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.1.1 <[email protected]>... No such user here (state 13). And here are the headers from the message it bounces back: Received: by 10.101.90.7 with SMTP id s7mr2515885anl.176.1267979929490; Sun, 07 Mar 2010 08:38:49 -0800 (PST) Return-Path: <[email protected]> Received: from [10.0.1.203] (adsl-76-201-171-194.dsl.pltn13.sbcglobal.net [76.201.171.194]) by mx.google.com with ESMTPS id 4sm1046550yxd.70.2010.03.07.08.38.48 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sun, 07 Mar 2010 08:38:49 -0800 (PST) From: "Paul J. Lucas" <[email protected]> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Subject: Some fascinating subject Date: Sun, 7 Mar 2010 08:38:46 -0800 References: <[email protected]> To: [email protected] Message-Id: <[email protected]> Mime-Version: 1.0 (Apple Message framework v1077) X-Mailer: Apple Mail (2.1077) However, I am able to send mail to a user at sonic.net using my old e-mail account. Also, my company uses Google Apps for e-mail and I can send e-mail to a user at sonic.net from my company. The differences between my personal e-mail and my company's are: My company's domain has no SPF record whereas mine does. My company's domain has an A record whereas mine does not. My SPF record initially was as prescribed by Google here. However, this guy claims Google is wrong and gives a fix. I've tried it both ways with no difference. My SPF record is currently: v=spf1 mx include:aspmx.googlemail.com include:_spf.google.com ~all As for the lack of an A record, you wouldn't think that a mail host would care about that so long as mx records are defined. However, the funny thing is that if you look at the error message, why does Google state that the recipient's domain stated that there is "No such user here" for my address? That makes no sense. Of course there is no user having my address at sonic.net. Also, I assume that I just discovered that I can't send mail to users at sonic.net by accident and that there are probably other domains I can't send e-mail to. So... anybody have any idea what's going on? And how I can get mail to users at sonic.net?

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• JSON serialization of c# enum as string

  - by ob

  I have a class that contains an enum property, and upon serializing the object using JavaScriptSerializer, my json result contains the integer value of the enumeration rather than its string "name". Is there a way to get the enum as a string in my json without having to create a custom JavaScriptConverter? Perhaps there's an attribute that I could decorate the enum definition, or object property, with? As an example: enum Gender { Male, Female } class Person { int Age { get; set; } Gender Gender { get; set; } } desired json result: { "Age": 35, "Gender": "Male" }

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• jstree dynamic JSON data from django

  - by danspants

  I'm trying to set up jsTree to dynamically accept JSON data from django. This is the test data i have django returning to jstree: result=[{ "data" : "A node", "children" : [ { "data" : "Only child", "state" : "closed" } ], "state" : "open" },"Ajax node"] response=HttpResponse(content=result,mimetype="application/json") this is the jstree code I'm using: jQuery("#demo1").jstree({ "json_data" : { "ajax" : { "url" : "/dirlist", "data" : function (n) { return { id : n.attr ? n.attr("id") : 0 }; }, error: function(e){alert(e);} } }, "plugins" : [ "themes","json_data"] }); All I get is the ajax loading symbol, the ajax error response is also triggered and it alerts "undefined". I've also tried simpleJson encoding in django but with the same result. If I change the url so that it is receiving a JSON file with identical data, it works as expected. Any ideas on what the issue might be?

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• jquery parse json multidimensional array

  - by ChrisMJ

  Ok so i have a json array like this {"forum":[{"id":"1","created":"2010-03-19 ","updated":"2010-03-19 ","user_id":"1","vanity":"gamers","displayname":"gamers","private":"0","description":"All things gaming","count_followers":"62","count_members":"0","count_messages":"5","count_badges":"0","top_badges":"","category_id":"5","logo":"gamers.jpeg","theme_id":"1"}]} I want to use jquery .getJSON to be able to return the values of each of the array values, but im not sure as to how to get access to them. So far i have this jquery code $.get('forums.php', function(json, textStatus) { //optional stuff to do after success alert(textStatus); alert(json); }); If you can help id be very happy :)

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• soap vs REST vs JSON in SOA

  - by Muhammad Adnan

  I writing here to clear my and may be many people 's misconceptions about them... first my question is: SOAP is xml based protocol REST is web based architectural web service JSON is standard but not xml based how can we compare them???? as trio are different things 2nd question is: is REST response xml based only or json based also??? if it is also xml based then how can we consider it different then SOAP and even faster... 3rd question is: how can we apply authentication header on REST and jSON based web services (any reference with description) 4th question is: what is SOA and if some application contains some web services, can we consider it SOA based means what are SOA specs... your response would be appreciated :)

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• Mapping JSON data in JQGrid

  - by hunt

  Hi , I am using jqGrid 3.6.4 and a jquery 1.4.2 . in my sample i am getting following json data format & i want to map these json data into rows of a jqgrid { "page": "1", "total": 1, "records": "6", "rows": [ { "head": { "student_name": "Mr S. Jack ", "year": 2007 }, "sub": [ { "course_description": "Math ", "date": "22-04-2010", "number": 1, "time_of_add": "2:00", "day": "today" } ] } ] } my jqgrid code is as follows jQuery("#"+subgrid_table_id).jqGrid({ url:"http://localhost/stud/beta/web/GetStud.php?sid="+sid, dtatype: "json", colNames: ['Stud Name','Year','Date'.'Number'], colModel: [ {name:'Stud Name',index:'student_name', width:100, jsonmap:"student_name"}, {name:'Year',index:'year', width:100, jsonmap:"year"}, {name:'Date',index:'date', width:100, jsonmap:"date"}, {name:'Number',index:'number', width:100, jsonmap:"number"} ], height:'100%', jsonReader: { repeatitems : false, root:"head" }, }); So now the problem is as my data i.e. student_name and year is under "head" , the jqgrid is enable to locate these two fields. at the same time other two column values i.e. Date and Number lies under "sub" and even those columns i am not be able to map it with jqgrid so kindly help me how to located these attributes in JQGrid. Thanks

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