Date: Tue, 11 Dec 2001 14:23:49 -0600 From: "Darryl Hoar" <darryl@osborne-ind.com> To: <freebsd-questions@freebsd.org> Subject: Security problems Message-ID: <001c01c18281$bf03bd90$0701a8c0@darryl>
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Greeting,
I had my ISP run a scan on my firewall/router.
They used the Nessus software to test it.
It found the following problems:
. Warning found on port general/tcp
The remote host uses non-random IP IDs, that is, it is
possible to predict the next value of the ip_id field of
the ip packets sent by this host.
An attacker may use this feature to determine if the remote
host sent a packet in reply to another request. This may be
used for portscanning and other things.
. Nmap found that this host is running Apple AirPort Wireless Hub Base
Station
v3.x
. Vulnerability found on port general/udp :
It was possible to crash the
remote server using the linux 'zero fragment' bug.
A cracker may use this flaw to prevent your
network from working properly.
Risk factor : High
Do I have to worry about these? How do I fix them?
Any help greatly appreciated.
-Darryl
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