That element of the UA string indicates the security level supported by the browser.  It comes from the pref: general.useragent.security, where 'N' is the default value (#define'd as UA_APPSECURITY_FALLBACK  in nsHTTPHandler.cpp).

Darin


Simon Fraser wrote:
[EMAIL PROTECTED]">
In article [EMAIL PROTECTED]"><[EMAIL PROTECTED]>, Tom Everingham 
<[EMAIL PROTECTED]> wrote:

WinNT4.0 build 2001-01-30-11-Mtrunk

User-Agent: Mozilla/5.0 (Windows; U; WinNT4.0; en-US; m18) Gecko/20010130 Netscape6/6.5
Mac OS9 build 2001-01-30-10-Mtrunk
User-Agent: Mozilla/5.0 (Macintosh; N; PPC; en-US; m18) Gecko/20010130 Netscape6/6.5

What does the "U;" and "N;" in the user-agent signify?

Simon




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