how to determine whether a firewall is stateful or just a simple packet filter?

["风风" <bobo111 () 21cn com>]

how to determine whether a firewall is stateful or just a simple packet filter?
because of job ,I am eager to make clear of it.
I will be very appreciate if someone can tell me.

----------------------------------------------
鹿煤脛脷脢脮路脩脫脢脧盲脣颅脳卯脟驴拢卢脢脳麓脦脠篓脥镁脝脌虏芒录没路脰脧镁
http://news.21cn.com/domestic/21CN/2001-11-19/550568.html
脗貌脝贸脪碌脫脢脧盲拢卢禄帽脭霉脫貌脙没
http://mail.21cn.com/corporation/010.html
21cn麓酶脛煤脳脽陆酶脛驴卤锚脰庐脗脙拢卢脧铆脢脺脡脤脗脙脌脰脠陇
http://travel.21cn.com/agency/aimtrip/aimtrip.html
脢脮路脩脫脢脧盲脮忙脛脺麓贸脨脨脝盲碌脌拢卢赂酶脦脪脪禄赂枚脌铆脫脡
http://mail.21cn.com/bijiao/index2-7.html


_______________________________________________
firewall-wizards mailing list
firewall-wizards () nfr com
http://list.nfr.com/mailman/listinfo/firewall-wizards