This is a discussion on Re: [fw-wiz] Permissive Firewall Policy - Firewalls ; On 21/09/06 08:45 -0600, Kevin Hinze wrote: > New to the list, so hope this has not already been covered numerous times. > > I have been asked to move from a restrictive policy of only > allowed/permitted ports are ...
On 21/09/06 08:45 -0600, Kevin Hinze wrote:
> New to the list, so hope this has not already been covered numerous times.
>
> I have been asked to move from a restrictive policy of only
> allowed/permitted ports are allowed through the Firewall to a permissive
> policy of deny known ?bad? port/protocols and allow all else. Does anyone
> have lists, bookmarks or the like to show a list of known ?bad? ports? I
0-65535. Particularly ports 80, 443, 25 and 22.
One hole is enough for the bad guys to get through.
> believe this is a bad idea but need some information to prove how difficult
> it will be to manage.
>
MJR has something on his site about it. Dig through
http://www.ranum.com/
Devdas Bhagat
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