Filtering IP frames is quite simple.
Filtering UDP/IP or TCP/IP frames seems quite simple...
The problem filtering TCP/IP is fragmentation; How does a firewall (or even a
Cisco Secure Router) manage to filter fragmented IP frames knowing that the
TCP or UDP header is only on the first frame ?
Patrick.
.-------------.
| CyberSecure |
|-----------------------------------------------------------.
| Patrick Drolet, eng. | |
| pdrolet @
cybesecure .
com | Can your network keep a secret ? |
| (514) 289-8520 | |
`-----------------------------------------------------------'
Follow-Ups:
|
|