Hi everyone,
I have a story that wish to share with everyone. One of my friends
works for a company that uses Cisco PIX as the firewall. This afternoon,
he called and told me that the company firewall is experiencing a Denial
of Service (DOS) attack. The attack is so heavy that the PIX is just
simply gives up. The company contacts Cisco and the TAC told my friend
that there is a bug in the Cisco PIX code and he will have to wait a
few days for the new code to arrive. Frustrated, he decides to use his
workstation which is running NetBSD, put in an extra NIC, shutoff all
essential services but SSH and netfilter. Amazingly, the new BSD
firewall withstand the DOS and connectivity is restored.
The point of the story. Not everything from Cisco is good. Their code
is just buggy as everyone else. Just because it carries the name Cisco
doesn't mean it is safe.
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