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> ������: Bernd Eckenfels <[EMAIL PROTECTED]>
> �ռ���: HuXiaofeng <[EMAIL PROTECTED]>
> ����: [EMAIL PROTECTED]
> ����: Re: Linux Firewall
> ����: 1999��3��13�� 14:00
>
> On Sat, Mar 13, 1999 at 08:47:55AM -0000, HuXiaofeng wrote:
> > I'll write a firewall based on Linux from the beginning.But Linux is a
new
> > OS for me,especially the firewall implemented for Linux.Can someone do
me a
> > favor to tell me what Linux has done in firewall,its mechanism,and the
> > resources of the Linux firewall?By the way,has someone in this list
done
> > this before,and can you give me some information?
>
> Linux has, like most other *nix flavours a built in packet filter. Thats
> about all. You can get addtional Software from
> http://sites.inka.de/lina/freefire-l/.
>
>
> Greetings
> Bernd
Thank you,Bernd.You a good resource.
Build a secure firewall needs the mixture use of packet filters and
application gateways.Since Linux has implemented the packet filter,my task
is to write an application gateway.It's not a easy work,isn't it?I plan to
begin with a certain existing firewall as a model,and adding the needed
functions to it.
I would be most grateful if you could answer the following questions:
What functions and features most application gateways have,and what's the
trends in it?
Which existing firewall would be the best one to beging with?
Xiaofeng Hu
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