User Agent String.Com 

User Agent String explained :

Mozilla 1.7.8
Mozilla	Name : Mozilla
5.0	Mozilla version
X11	X Window System a windowing system for bitmap displays
U	Security values: N for no security U for strong security I for weak security
Linux i686	Operating System: Linux running on a Intel Pentium Pro CPU
rv:1.7.8	CVS Branch Tag The version of Gecko being used in the browser For the Mozilla browser this is the browser version as well
Gecko	Gecko engine inside
20050831	Build Date: the date the browser was built
Debian	Debian Linux distribution
1.7.8-1sarge2	Package file version number : 1.7.8 Package revision number : 1sarge2
Last visit:	2025.10.15 03:07
All Mozilla user agent strings