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Retrieveuserdata pluginHello list,
I'm currently using the retrieve user data plugin, version 0.9, to automatically get the users information from LDAP. From time to time i'm getting complaints from users that say that suddenly they have found their webmail account information changed to match another users information, like the full name and email address. I haven't been able to find a pattern until today. Today i got another of those complaints, but the user referred that the information that he got in his webmail account was from a friend that shared the same workstation as him. I was wondering if anyone using this plugin has experienced this type of behaviour. I also noticed that this plugin isn't maintained anymore, and i was wondering if there was any alternative to provide this feature. TIA, Hugo Monteiro. -- ci.fct.unl.pt:~# cat .signature Hugo Monteiro Email : hugo.monteiro@... Telefone : +351 212948300 Ext.15307 Web : http://hmonteiro.net Centro de Informática Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Quinta da Torre 2829-516 Caparica Portugal Telefone: +351 212948596 Fax: +351 212948548 www.ci.fct.unl.pt apoio@... ci.fct.unl.pt:~# _ ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginOn Tue, May 19, 2009 at 4:41 AM, Hugo Monteiro <hugo.monteiro@...> wrote:
> Hello list, > > I'm currently using the retrieve user data plugin, version 0.9, to > automatically get the users information from LDAP. From time to time i'm > getting complaints from users that say that suddenly they have found > their webmail account information changed to match another users > information, like the full name and email address. I haven't been able > to find a pattern until today. > > Today i got another of those complaints, but the user referred that the > information that he got in his webmail account was from a friend that > shared the same workstation as him. This is a known issue in SquirrelMail. The first user needs to log out before the second user logs in. > I was wondering if anyone using this plugin has experienced this type of > behaviour. I also noticed that this plugin isn't maintained anymore, and > i was wondering if there was any alternative to provide this feature. It's nothing to do with the plugin; it's a limitation of using SquirrelMail in the same browser with more than one account. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginPaul Lesniewski wrote:
> On Tue, May 19, 2009 at 4:41 AM, Hugo Monteiro <hugo.monteiro@...> wrote: > >> Hello list, >> >> I'm currently using the retrieve user data plugin, version 0.9, to >> automatically get the users information from LDAP. From time to time i'm >> getting complaints from users that say that suddenly they have found >> their webmail account information changed to match another users >> information, like the full name and email address. I haven't been able >> to find a pattern until today. >> >> Today i got another of those complaints, but the user referred that the >> information that he got in his webmail account was from a friend that >> shared the same workstation as him. >> > > This is a known issue in SquirrelMail. The first user needs to log > out before the second user logs in. > > >> I was wondering if anyone using this plugin has experienced this type of >> behaviour. I also noticed that this plugin isn't maintained anymore, and >> i was wondering if there was any alternative to provide this feature. >> > > It's nothing to do with the plugin; it's a limitation of using > SquirrelMail in the same browser with more than one account. > > Hello Paul, Thank you for the prompt reply. I was wondering if there was anything one could do to prevent this from happening, apart from educating the users. TIA, Hugo Monteiro. -- ci.fct.unl.pt:~# cat .signature Hugo Monteiro Email : hugo.monteiro@... Telefone : +351 212948300 Ext.15307 Web : http://hmonteiro.net Centro de Informática Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Quinta da Torre 2829-516 Caparica Portugal Telefone: +351 212948596 Fax: +351 212948548 www.ci.fct.unl.pt apoio@... ci.fct.unl.pt:~# _ ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginHugo Monteiro wrote:
> Paul Lesniewski wrote: >> On Tue, May 19, 2009 at 4:41 AM, Hugo Monteiro <hugo.monteiro@...> wrote: >> >>> Hello list, >>> >>> I'm currently using the retrieve user data plugin, version 0.9, to >>> automatically get the users information from LDAP. From time to time i'm >>> getting complaints from users that say that suddenly they have found >>> their webmail account information changed to match another users >>> information, like the full name and email address. I haven't been able >>> to find a pattern until today. >>> >>> Today i got another of those complaints, but the user referred that the >>> information that he got in his webmail account was from a friend that >>> shared the same workstation as him. >>> >> This is a known issue in SquirrelMail. The first user needs to log >> out before the second user logs in. >> >> >>> I was wondering if anyone using this plugin has experienced this type of >>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>> i was wondering if there was any alternative to provide this feature. >>> >> It's nothing to do with the plugin; it's a limitation of using >> SquirrelMail in the same browser with more than one account. >> >> > > Hello Paul, > > Thank you for the prompt reply. I was wondering if there was anything > one could do to prevent this from happening, apart from educating the users. > > TIA, > > Hugo Monteiro. > based applications as a whole. This is the similar behavior that you see with sites like amazon.com. If user1 signs in to amazon.com and then navigates away from the site, amazon.com will remember the user information. If user2 then comes along and uses the same browser to access amazon.com, the site will still think user1 is accessing the site and display user1 information. What amazon.com does for this is provide a link under the user name with something like "Not user1? click here". (amazon.com does require re-authentication after some timeout period if a user tries to access account specific functions for the 'cached' account to protect against unauthorized access) The basic issue is the user info is stored on a session basis, and a single web browser instance can only have a single session with the web based application. When user2 comes along and signs in to the application, they in effect hijack the session. When user one goes back to access the application, they are now accessing it as user2. There is no way for the web application to let 2 users share a single session. The application has no way of know which user is making a specific request since the requests are all associated with a single session. Unfortunately there is no easy solution for session hijacking other than training the users. -- Regards, Brett Johnson CONFIDENTIAL NOTICE - The contents of this message, including any attachments, are confidential and are intended solely for the use of the person or entity to whom the message was addressed. If you are not the intended recipient of this message, please be advised that any dissemination, distribution, or use of the contents of this message is strictly prohibited. If you received this message in error, please notify the sender. Please also permanently delete all copies of the original message and any attached documentation. Thank you. ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginOn Tue, May 19, 2009 at 2:11 PM, Hugo Monteiro <hugo.monteiro@...> wrote:
> Paul Lesniewski wrote: >> On Tue, May 19, 2009 at 4:41 AM, Hugo Monteiro <hugo.monteiro@...> wrote: >> >>> Hello list, >>> >>> I'm currently using the retrieve user data plugin, version 0.9, to >>> automatically get the users information from LDAP. From time to time i'm >>> getting complaints from users that say that suddenly they have found >>> their webmail account information changed to match another users >>> information, like the full name and email address. I haven't been able >>> to find a pattern until today. >>> >>> Today i got another of those complaints, but the user referred that the >>> information that he got in his webmail account was from a friend that >>> shared the same workstation as him. >>> >> >> This is a known issue in SquirrelMail. The first user needs to log >> out before the second user logs in. >> >> >>> I was wondering if anyone using this plugin has experienced this type of >>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>> i was wondering if there was any alternative to provide this feature. >>> >> >> It's nothing to do with the plugin; it's a limitation of using >> SquirrelMail in the same browser with more than one account. >> >> > > Hello Paul, > > Thank you for the prompt reply. I was wondering if there was anything > one could do to prevent this from happening, apart from educating the users. Nope, sorry. Not currently. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginOn Tue, May 19, 2009 at 3:12 PM, Brett Johnson <brett@...> wrote:
> Hugo Monteiro wrote: >> Paul Lesniewski wrote: >>> On Tue, May 19, 2009 at 4:41 AM, Hugo Monteiro <hugo.monteiro@...> wrote: >>> >>>> Hello list, >>>> >>>> I'm currently using the retrieve user data plugin, version 0.9, to >>>> automatically get the users information from LDAP. From time to time i'm >>>> getting complaints from users that say that suddenly they have found >>>> their webmail account information changed to match another users >>>> information, like the full name and email address. I haven't been able >>>> to find a pattern until today. >>>> >>>> Today i got another of those complaints, but the user referred that the >>>> information that he got in his webmail account was from a friend that >>>> shared the same workstation as him. >>>> >>> This is a known issue in SquirrelMail. The first user needs to log >>> out before the second user logs in. >>> >>> >>>> I was wondering if anyone using this plugin has experienced this type of >>>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>>> i was wondering if there was any alternative to provide this feature. >>>> >>> It's nothing to do with the plugin; it's a limitation of using >>> SquirrelMail in the same browser with more than one account. >>> >>> >> >> Hello Paul, >> >> Thank you for the prompt reply. I was wondering if there was anything >> one could do to prevent this from happening, apart from educating the users. >> >> TIA, >> >> Hugo Monteiro. >> > In my opinion this is not an issue specific to Squirrel Mail but to web > based applications as a whole. This is the similar behavior that you > see with sites like amazon.com. If user1 signs in to amazon.com and then > navigates away from the site, amazon.com will remember the user > information. If user2 then comes along and uses the same browser to > access amazon.com, the site will still think user1 is accessing the site > and display user1 information. What amazon.com does for this is provide > a link under the user name with something like "Not user1? click here". > (amazon.com does require re-authentication after some timeout period if > a user tries to access account specific functions for the 'cached' > account to protect against unauthorized access) > > The basic issue is the user info is stored on a session basis, and a > single web browser instance can only have a single session with the web > based application. When user2 comes along and signs in to the > application, they in effect hijack the session. When user one goes back > to access the application, they are now accessing it as user2. > > There is no way for the web application to let 2 users share a single > session. The application has no way of know which user is making a > specific request since the requests are all associated with a single > session. > > Unfortunately there is no easy solution for session hijacking other than > training the users. If the browser side of the session is handled without cookies (the ID gets added to all page addresses), then multiple sessions is possible. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginPaul Lesniewski wrote:
> On Tue, May 19, 2009 at 3:12 PM, Brett Johnson <brett@...> wrote: >> Hugo Monteiro wrote: >>> Paul Lesniewski wrote: >>>> On Tue, May 19, 2009 at 4:41 AM, Hugo Monteiro <hugo.monteiro@...> wrote: >>>> >>>>> Hello list, >>>>> >>>>> I'm currently using the retrieve user data plugin, version 0.9, to >>>>> automatically get the users information from LDAP. From time to time i'm >>>>> getting complaints from users that say that suddenly they have found >>>>> their webmail account information changed to match another users >>>>> information, like the full name and email address. I haven't been able >>>>> to find a pattern until today. >>>>> >>>>> Today i got another of those complaints, but the user referred that the >>>>> information that he got in his webmail account was from a friend that >>>>> shared the same workstation as him. >>>>> >>>> This is a known issue in SquirrelMail. The first user needs to log >>>> out before the second user logs in. >>>> >>>> >>>>> I was wondering if anyone using this plugin has experienced this type of >>>>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>>>> i was wondering if there was any alternative to provide this feature. >>>>> >>>> It's nothing to do with the plugin; it's a limitation of using >>>> SquirrelMail in the same browser with more than one account. >>>> >>>> >>> Hello Paul, >>> >>> Thank you for the prompt reply. I was wondering if there was anything >>> one could do to prevent this from happening, apart from educating the users. >>> >>> TIA, >>> >>> Hugo Monteiro. >>> >> In my opinion this is not an issue specific to Squirrel Mail but to web >> based applications as a whole. This is the similar behavior that you >> see with sites like amazon.com. If user1 signs in to amazon.com and then >> navigates away from the site, amazon.com will remember the user >> information. If user2 then comes along and uses the same browser to >> access amazon.com, the site will still think user1 is accessing the site >> and display user1 information. What amazon.com does for this is provide >> a link under the user name with something like "Not user1? click here". >> (amazon.com does require re-authentication after some timeout period if >> a user tries to access account specific functions for the 'cached' >> account to protect against unauthorized access) >> >> The basic issue is the user info is stored on a session basis, and a >> single web browser instance can only have a single session with the web >> based application. When user2 comes along and signs in to the >> application, they in effect hijack the session. When user one goes back >> to access the application, they are now accessing it as user2. >> >> There is no way for the web application to let 2 users share a single >> session. The application has no way of know which user is making a >> specific request since the requests are all associated with a single >> session. >> >> Unfortunately there is no easy solution for session hijacking other than >> training the users. > > If the browser side of the session is handled without cookies (the ID > gets added to all page addresses), then multiple sessions is possible. > -- Regards, Brett Johnson CONFIDENTIAL NOTICE - The contents of this message, including any attachments, are confidential and are intended solely for the use of the person or entity to whom the message was addressed. If you are not the intended recipient of this message, please be advised that any dissemination, distribution, or use of the contents of this message is strictly prohibited. If you received this message in error, please notify the sender. Please also permanently delete all copies of the original message and any attached documentation. Thank you. ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata plugin>>>>>> I'm currently using the retrieve user data plugin, version 0.9, to
>>>>>> automatically get the users information from LDAP. From time to time i'm >>>>>> getting complaints from users that say that suddenly they have found >>>>>> their webmail account information changed to match another users >>>>>> information, like the full name and email address. I haven't been able >>>>>> to find a pattern until today. >>>>>> >>>>>> Today i got another of those complaints, but the user referred that the >>>>>> information that he got in his webmail account was from a friend that >>>>>> shared the same workstation as him. >>>>>> >>>>> This is a known issue in SquirrelMail. The first user needs to log >>>>> out before the second user logs in. >>>>> >>>>> >>>>>> I was wondering if anyone using this plugin has experienced this type of >>>>>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>>>>> i was wondering if there was any alternative to provide this feature. >>>>>> >>>>> It's nothing to do with the plugin; it's a limitation of using >>>>> SquirrelMail in the same browser with more than one account. >>>>> >>>>> >>>> Hello Paul, >>>> >>>> Thank you for the prompt reply. I was wondering if there was anything >>>> one could do to prevent this from happening, apart from educating the users. >>>> >>>> TIA, >>>> >>>> Hugo Monteiro. >>>> >>> In my opinion this is not an issue specific to Squirrel Mail but to web >>> based applications as a whole. This is the similar behavior that you >>> see with sites like amazon.com. If user1 signs in to amazon.com and then >>> navigates away from the site, amazon.com will remember the user >>> information. If user2 then comes along and uses the same browser to >>> access amazon.com, the site will still think user1 is accessing the site >>> and display user1 information. What amazon.com does for this is provide >>> a link under the user name with something like "Not user1? click here". >>> (amazon.com does require re-authentication after some timeout period if >>> a user tries to access account specific functions for the 'cached' >>> account to protect against unauthorized access) >>> >>> The basic issue is the user info is stored on a session basis, and a >>> single web browser instance can only have a single session with the web >>> based application. When user2 comes along and signs in to the >>> application, they in effect hijack the session. When user one goes back >>> to access the application, they are now accessing it as user2. >>> >>> There is no way for the web application to let 2 users share a single >>> session. The application has no way of know which user is making a >>> specific request since the requests are all associated with a single >>> session. >>> >>> Unfortunately there is no easy solution for session hijacking other than >>> training the users. >> >> If the browser side of the session is handled without cookies (the ID >> gets added to all page addresses), then multiple sessions is possible. > > So would disabling client side cookies solve this problem? No, SquirrelMail doesn't support non-cookie operation currently. Sorry. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginPaul Lesniewski wrote:
>>>>>>> I'm currently using the retrieve user data plugin, version 0.9, to >>>>>>> automatically get the users information from LDAP. From time to time i'm >>>>>>> getting complaints from users that say that suddenly they have found >>>>>>> their webmail account information changed to match another users >>>>>>> information, like the full name and email address. I haven't been able >>>>>>> to find a pattern until today. >>>>>>> >>>>>>> Today i got another of those complaints, but the user referred that the >>>>>>> information that he got in his webmail account was from a friend that >>>>>>> shared the same workstation as him. >>>>>>> >>>>>>> >>>>>> This is a known issue in SquirrelMail. The first user needs to log >>>>>> out before the second user logs in. >>>>>> >>>>>> >>>>>> >>>>>>> I was wondering if anyone using this plugin has experienced this type of >>>>>>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>>>>>> i was wondering if there was any alternative to provide this feature. >>>>>>> >>>>>>> >>>>>> It's nothing to do with the plugin; it's a limitation of using >>>>>> SquirrelMail in the same browser with more than one account. >>>>>> >>>>>> >>>>>> >>>>> Hello Paul, >>>>> >>>>> Thank you for the prompt reply. I was wondering if there was anything >>>>> one could do to prevent this from happening, apart from educating the users. >>>>> >>>>> TIA, >>>>> >>>>> Hugo Monteiro. >>>>> >>>>> >>>> In my opinion this is not an issue specific to Squirrel Mail but to web >>>> based applications as a whole. This is the similar behavior that you >>>> see with sites like amazon.com. If user1 signs in to amazon.com and then >>>> navigates away from the site, amazon.com will remember the user >>>> information. If user2 then comes along and uses the same browser to >>>> access amazon.com, the site will still think user1 is accessing the site >>>> and display user1 information. What amazon.com does for this is provide >>>> a link under the user name with something like "Not user1? click here". >>>> (amazon.com does require re-authentication after some timeout period if >>>> a user tries to access account specific functions for the 'cached' >>>> account to protect against unauthorized access) >>>> >>>> The basic issue is the user info is stored on a session basis, and a >>>> single web browser instance can only have a single session with the web >>>> based application. When user2 comes along and signs in to the >>>> application, they in effect hijack the session. When user one goes back >>>> to access the application, they are now accessing it as user2. >>>> >>>> There is no way for the web application to let 2 users share a single >>>> session. The application has no way of know which user is making a >>>> specific request since the requests are all associated with a single >>>> session. >>>> >>>> Unfortunately there is no easy solution for session hijacking other than >>>> training the users. >>>> >>> If the browser side of the session is handled without cookies (the ID >>> gets added to all page addresses), then multiple sessions is possible. >>> >> So would disabling client side cookies solve this problem? >> > > No, SquirrelMail doesn't support non-cookie operation currently. Sorry. > > Is there any plugin, or hack, to add that amazon like "not UserX? Click here." so the user can be sure it's not using someone elses session? Regards, Hugo Monteiro. -- ci.fct.unl.pt:~# cat .signature Hugo Monteiro Email : hugo.monteiro@... Telefone : +351 212948300 Ext.15307 Web : http://hmonteiro.net Centro de Informática Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Quinta da Torre 2829-516 Caparica Portugal Telefone: +351 212948596 Fax: +351 212948548 www.ci.fct.unl.pt apoio@... ci.fct.unl.pt:~# _ ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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Re: Retrieveuserdata pluginOn Wed, May 20, 2009 at 10:09 AM, Hugo Monteiro
<hugo.monteiro@...> wrote: > Paul Lesniewski wrote: >>>>>>>> I'm currently using the retrieve user data plugin, version 0.9, to >>>>>>>> automatically get the users information from LDAP. From time to time i'm >>>>>>>> getting complaints from users that say that suddenly they have found >>>>>>>> their webmail account information changed to match another users >>>>>>>> information, like the full name and email address. I haven't been able >>>>>>>> to find a pattern until today. >>>>>>>> >>>>>>>> Today i got another of those complaints, but the user referred that the >>>>>>>> information that he got in his webmail account was from a friend that >>>>>>>> shared the same workstation as him. >>>>>>>> >>>>>>>> >>>>>>> This is a known issue in SquirrelMail. The first user needs to log >>>>>>> out before the second user logs in. >>>>>>> >>>>>>> >>>>>>> >>>>>>>> I was wondering if anyone using this plugin has experienced this type of >>>>>>>> behaviour. I also noticed that this plugin isn't maintained anymore, and >>>>>>>> i was wondering if there was any alternative to provide this feature. >>>>>>>> >>>>>>>> >>>>>>> It's nothing to do with the plugin; it's a limitation of using >>>>>>> SquirrelMail in the same browser with more than one account. >>>>>>> >>>>>>> >>>>>>> >>>>>> Hello Paul, >>>>>> >>>>>> Thank you for the prompt reply. I was wondering if there was anything >>>>>> one could do to prevent this from happening, apart from educating the users. >>>>>> >>>>>> TIA, >>>>>> >>>>>> Hugo Monteiro. >>>>>> >>>>>> >>>>> In my opinion this is not an issue specific to Squirrel Mail but to web >>>>> based applications as a whole. This is the similar behavior that you >>>>> see with sites like amazon.com. If user1 signs in to amazon.com and then >>>>> navigates away from the site, amazon.com will remember the user >>>>> information. If user2 then comes along and uses the same browser to >>>>> access amazon.com, the site will still think user1 is accessing the site >>>>> and display user1 information. What amazon.com does for this is provide >>>>> a link under the user name with something like "Not user1? click here". >>>>> (amazon.com does require re-authentication after some timeout period if >>>>> a user tries to access account specific functions for the 'cached' >>>>> account to protect against unauthorized access) >>>>> >>>>> The basic issue is the user info is stored on a session basis, and a >>>>> single web browser instance can only have a single session with the web >>>>> based application. When user2 comes along and signs in to the >>>>> application, they in effect hijack the session. When user one goes back >>>>> to access the application, they are now accessing it as user2. >>>>> >>>>> There is no way for the web application to let 2 users share a single >>>>> session. The application has no way of know which user is making a >>>>> specific request since the requests are all associated with a single >>>>> session. >>>>> >>>>> Unfortunately there is no easy solution for session hijacking other than >>>>> training the users. >>>>> >>>> If the browser side of the session is handled without cookies (the ID >>>> gets added to all page addresses), then multiple sessions is possible. >>>> >>> So would disabling client side cookies solve this problem? >>> >> >> No, SquirrelMail doesn't support non-cookie operation currently. Sorry. >> >> > > Is there any plugin, or hack, to add that amazon like "not UserX? Click > here." so the user can be sure it's not using someone elses session? There are about two plugins in the visual additions category that put the username in the left (folder) frame. But this is not fool-proof, either. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects ----- squirrelmail-plugins mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-plugins@... List archives: http://news.gmane.org/gmane.mail.squirrelmail.plugins List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-plugins |
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