four way handshake

[halilibrahim1877]

Hi ,

Can you explain four way hand shake step by step  in wap2 enterprise ? I read some document but I dont understand exactly 

why is derive PMK , PTK ,  PGK .

isn't   An hacker  capture this value . Help please

[Stephen Rodriguez]

take a look at this post by George, here

HTH,
Steve

[halilibrahim1877]

thank you very mush for help . I am so busy at work noawadays . I studied your document later

Can I ask you something else in the meantime ?

What can I do for open ssl vulnerability . I have 4404 WLC , ACS 4.2 and NCS at work

this products are affected this vulnerablity . Can you help me ?  thanks

this products are affected this vulnerablity . Can you help me ?  thanks - See more at: https://supportforums.cisco.com/discussion/12538966/four-way-handshake#comment-10593131

What can I do for open ssl vulnerability . I have 4404 WLC , ACS 4.2 and NCS at work - See more at: https://supportforums.cisco.com/discussion/12538966/four-way-handshake#comment-10593131

Can I ask you something else in the meantime ?

What can I do for open ssl vulnerability . I have 4404 WLC , ACS 4.2 and NCS at work

this products are affected this vulnerablity . Can you help me ?  thanks

- See more at: https://supportforums.cisco.com/discussion/12538966/four-way-handshake#comment-10593131

Can I ask you something else in the meantime ?

thank you very mush for help . I am so busy at work noawadays . I studied your document .take care - See more at: https://supportforums.cisco.com/discussion/12538966/four-way-handshake#comment-10593131

thank you very mush for help . I am so busy at work noawadays . I studied your document .take care - See more at: https://supportforums.cisco.com/discussion/12538966/four-way-handshake#comment-10593131

thank you very mush for help . I am so busy at work noawadays . I studied your document .take care - See more at: https://supportforums.cisco.com/discussion/12538966/four-way-handshake#comment-10593131

[mohanak]

Refer the link : Multiple Vulnerabilities in OpenSSL (June 2015) Affecting Cisco Products

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150612-openssl

[Rasika Nayanajith]

Here is another reference with some packet captures to explain it

http://mrncciew.com/2014/08/19/cwsp-4-way-handshake/

HTH

Rasika

[halilibrahim1877]

thank you very mush for help . I am so busy at work noawadays . I studied your document .take care

[halilibrahim1877]

Can I ask you something else in the meantime ?

What can I do for open ssl vulnerability . I have 4404 WLC , ACS 4.2 and NCS at work

this products are affected this vulnerablity . Can you help me ?  thanks