04-24-2008 11:34 PM
Hello
I am having problems with a remote-access VPN configuration that uses long PSKs. If I use a short PSK, like for instance "cisco", everything is fine but if I use longer stuff (some 20+ chars) I get an error when I try to connect with the VPN client (the error indicates a wrong PSK).
I am worried that using a very short (10 chars?) PSK isn't optimal for security.
05-02-2008 06:00 AM
The maximum length of the preshared key should be 128 characters.
You can see the limit here:
http://www.cisco.com/en/US/docs/ios/12_2t/secure/command/reference/sftike.html#wp1065616
05-02-2008 06:11 AM
Thank you very much for the input.
Although apparently, my problems were due to an outdated Cisco VPN Client software. The latest version fixed this issue.
02-21-2012 09:37 PM
Be aware maximum length of VPN3000 concentrators is 32 characters.
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