[syslog-ng] how to fetch logs from linux, windows, and devices (firewall, router)

hi pals       i am new to syslog-ng.       it is a very nice software.       i want to used opensource edition of syslog-ng       i want to log all linux, windows, sonicwall firewall, watchguard firewall, cisco router, dlink router, DSL router.       is it possible to log all above things just using opensource edition of syslog-ng.      and i want the detailed notes for "HOW TO INSTALL SYSLOG-NG  SERVER IN LINUX"    and i want configuration details for "GETTING LOGS FROM LINUX, WINDOWS AND DEVICES"    pls help me. Regards N.Senthil Kumar Mobile +91 9787150175 Unlimited freedom, unlimited storage. Get it now, on http://help.yahoo.com/l/in/yahoo/mail/yahoomail/tools/tools-08.html/