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Why should sessions expire?
Here’s what OWASP says about session timeouts: “Insufficient session expiration by the web application increases the exposure of other session-based attacks, as for the attacker to be able to reuse a valid session ID and hijack the associated session, it must still be active.
What is a session timeout?
Session timeout represents the event occuring when a user does not perform any action on a web site during an interval (defined by a web server). “not used anymore”) and instructs the web server to destroy it (deleting all data contained in it).
What happens when session expired?
When the session expires, or session timeout occurs, the Session_End event in global. asax is raised (except when session is handled by the DB) and the session collection is finally cleared. If any objects are NOT holding a reference to any of values in the session collection, then GC will collect it.
How long should login sessions last?
By default, a session lasts until there’s 30 minutes of inactivity, but you can adjust this limit so a session lasts from a few seconds to several hours.
How long should sessions last?
If you’re going for individual counseling, then your session will last approximately 50-55 minutes. This 50-55 minutes is referred to as a “therapeutic hour.” This is standard practice, although some clinicians will offer 45-minute sessions or 60-minute sessions.
What is the default session time out?
The default is 10 minutes. Session. Timeout has no hard-coded limit. Most Web administrators set this property to 8 minutes.
How long should a login session last?
It considers that longer idle time outs (15-30 minutes) are acceptable for low-risk applications. On the other hand, NIST recommends that application builders make their users re-authenticate every 12 hours and terminate sessions after 30 minutes of inactivity.
How many therapy sessions do I need?
Most research funded today has the goal of proving the effectiveness of therapy. Therapy has been found to be most productive when incorporated into a client’s lifestyle for approximately 12-16 sessions, most typically delivered in once weekly sessions for 45 minutes each.
Is there any reason to limit the length of passwords?
In the past due to software and hardware limitations there were many reasons to limit passwords and little reason to have long passwords (poor cracking hardware meant even short password cracking was near impossible). Over time these reasons become invalid, but some programming continue to implement such limits, their reason?
Why is it important to have a password expiration policy?
Password expiration policies limit the damage that is done if an older backup is lost for the same reason that it mitigates the compromise of the password hashes from the live system.
Why do you have to change your password every 90 days?
This question was IT Security Question of the Week. Read the Jul 15, 2011 blog entry for more details or submit your own Question of the Week. The reason password expiration policies exist, is to mitigate the problems that would occur if an attacker acquired the password hashes of your system and were to break them.
Why does MD5 limit the length of passwords?
Because the MD5 algorithm takes input of any length, but all hashes are fixed at 16 bytes, multiple passwords can hash to the same value (see: hash collisions, collision attack ).