Thanks Steve..
I'm not measuring performace at all, but I'm loosing connections
sometimes.. occurs with some WAN clients running 64kbps links and even
at LAN. My clients must connect to a partner mainframe via tn3270 (just
telnet, 23, no trouble), but sometimes clients have to try 10-20 times
to get a connection, some on the first try do, thats confusing.. and
they mantain conections opened (nobody wants to loose it). Well, look at
some of my outputs:

[EMAIL PROTECTED] conf]# ipfstat
  IPv6 packets:          in 2 out 164
  input packets:         blocked 54250 passed 9545845 nomatch 2 counted
0 short 0
output packets:         blocked 164 passed 9421015 nomatch 119 counted 0
short 0
  input packets logged:  blocked 54163 passed 0
output packets logged:  blocked 0 passed 0
  packets logged:        input 0 output 0
  log failures:          input 0 output 0
fragment state(in):     kept 0  lost 0
fragment state(out):    kept 0  lost 0
packet state(in):       kept 357749     lost 74005
packet state(out):      kept 509        lost 74191
ICMP replies:   5998    TCP RSTs sent:  12
Invalid source(in):     0
Result cache hits(in):  36366   (out):  675
IN Pullups succeeded:   0       failed: 0
OUT Pullups succeeded:  0       failed: 0
Fastroute successes:    6010    failures:       0
TCP cksum fails(in):    0       (out):  0
Packet log flags set: (0)
         none

[EMAIL PROTECTED] conf]# ipfstat -s
IP states added:
         279963 TCP
         59744 UDP
         18640 ICMP
         35818281 hits
         977064 misses
         0 maximum
         0 no memory
         484 bkts in use
         503 active
         78325 expired
         279519 closed

This machine is a FreeBSD 4.7-RELEASE-p4 under a Pentium 200Mhz, 128MB
RAM and IPFILTER 3.4.29

I don't know a place to begin. What is high and what is low.. I know
(and I want to learn more) that these topics is for people that
understands better about TCP/IP and firewalling, but people wants
something more like 'basics', and then jump to something more
sofisticated.. That's why I asked for a section on howto or faq talking
about this, covering o.s. too, I'm sure that lots of people will enjoy it..

Thanks for your support.
--
%------------------------%
| Alexandre Vasconcelos  |
| Unix Admin             |
| SSPJ/GO                |
%------------------------%
| FreeBSD, Unix and Free |
%------------------------%






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