to display the logged in users name, double click the Authenticate user server behavior on the Lofin page. Go to the third step of the authenticate user server behavior. Clic kthe plus button and select the users first name column to have it stored in a session variable.
On the page you wish to display the users first name, open the bindings panel and drag the first name session variable to your page.
for the log out link:
security assist will create a default "Logged Into <table name>" rule.
On your page, create the login and log out link.
Select the login link, then go to Insert -> WebAssist -> Security Assist -> Show Region. from the rules list, select the "Not Logged Into <table name>" rule.
Now select the logout link, then go to Insert -> WebAssist -> Security Assist -> Show Region. from the rules list, select the "Logged Into <table name>" rule.