[nflug] firewall

[Eric Benoit]

yep firestarter does the trick ...maybe I'll learn iptables another day :)

Cyber Source wrote:
> It couldnt be any easier than firestarter, if your on your FC box, "yum 
> install firestarter"
> 
> Robert Meyer wrote:
> 
>> I wouldn't try to do IPTables directly.  It's a real bear.  Use 
>> something like
>> shorewall or any of the other firewall configuration tools.  Shorewall 
>> is more
>> geared towards making an external firewall, rather than firewalling a 
>> server
>> internally.
>>
>> Anybody have any ideas of config tools for using a server as it's own 
>> firewall?
>> Something I probably should know about, too.
>>
>> Cheers!
>>
>> Bob
>>
>> --- Eric Benoit <ebenoit at hopevale.com> wrote:
>>
>>  
>>
>>> I'm thinking maybe just configuring iptables instead of shorewall 
>>> might be easier, but oh well I just want this to be done and cannot 
>>> find any good documentation on it ...does anyone know of website that 
>>> delves into iptables ...just port stuff  I don't care about the other 
>>> stuff ...like Rob said I just want to worry a little bit :)
>>>
>>> Eric Benoit wrote:
>>>   
>>>
>>>> I'm using shorewall for iptables,how does this look for a webserver?
>>>>       
>>>> Action          Source     Destination     Protocol    Destination 
>>>> ports
>>>>
>>>> AllowWeb:ULOG    net       $FW               tcp           80,443
>>>>
>>>>
>>>> for Source ports I put any
>>>>
>>>>
>>>> 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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