[nflug] firewall

[Eric Benoit]

but if one of your servers were comprimised it leaves the other ones 
open or like you said you just have to worry less.

Robert Meyer wrote:
> Tnen don't enable it.  General rules for firewalls on the outside world: Don't
> open any port that you don't need to use.
> 
> In general, I prefer to have a separate firewall.  The firewall would only be
> running IPTABLES and nothing else.  This leaves no ports available on the
> firewall itself to exploit so it's harder to compromise it.  Then put all of
> your servers behind the firewall.  You can then control the allowable ports and
> not have to worry as much about the servers themselves.  Note that I'm not
> saying that you *don't* have to worry; you just have to worry less.
> 
> Cheers!
> 
> Bob
> 
> --- Eric Benoit <ebenoit at hopevale.com> wrote:
> 
> 
>>I'm setting up a firewall on a webserver, but I am not sure if I need to 
>>allow udp 53 and or tcp 53.  This server will not be a DNS server.
>>
>>thanks
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> 
> 
> 
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