WebApp Sec mailing list archives
Re: Is logoff feature necessary
From: "Michael Silk" <michaelslists () gmail com>
Date: Fri, 12 May 2006 11:15:43 +1000
On 5/11/06, Auri Rahimzadeh <auri () auri net> wrote:
I agree. There is nothing that can guarantee a logout relying solely on the browser.
Yes there is. You can have your system require an "heartbeat" message every 10 seconds. This can come in the form of an fancy xmlhttprequest, if you like, built into every page. That way the browser is always connected, and if that message arrives in 11 seconds instead of 10, bam, logged out. Of course you'd combine this with maximum time logged in, etc, etc, etc. Logout is guaranteed if the browser doesn't respond (i.e. crash). Logout isn't guaranteed if someone forges your "i'm still here" message. But there are way around that ... -- Michael ------------------------------------------------------------------------- Sponsored by: Watchfire Methodologies & Tools for Web Application Security Assessment With the rapid rise in the number and types of security threats, web application security assessments should be considered a crucial phase in the development of any web application. What methodology should be followed? What tools can accelerate the assessment process? Download this whitepaper today! https://www.watchfire.com/securearea/whitepapers.aspx?id=701300000007t9h --------------------------------------------------------------------------
Current thread:
- RE: Is logoff feature necessary, (continued)
- RE: Is logoff feature necessary Sarbjit Singh Gill (May 03)
- RE: Is logoff feature necessary Currey, Mick A (May 03)
- RE: Is logoff feature necessary Auri Rahimzadeh (May 03)
- Is logoff feature necessary intel96 (May 04)
- RE: Is logoff feature necessary Auri Rahimzadeh (May 08)
- RE: Is logoff feature necessary Matt Fisher (May 10)
- Re: Is logoff feature necessary Michael Silk (May 11)
- RE: Is logoff feature necessary Auri Rahimzadeh (May 10)
- RE: Is logoff feature necessary Rod Divilbiss (May 11)
- RE: Is logoff feature necessary Auri Rahimzadeh (May 11)
- Re: Is logoff feature necessary Michael Silk (May 11)
- Re: Is logoff feature necessary Adam Tuliper (May 12)
- RE: Is logoff feature necessary Auri Rahimzadeh (May 12)
- RE: Is logoff feature necessary Rod Divilbiss (May 11)