[ale] iptables ruleset blocks external traffic... OUTPUT policy is ACCEPT

[brian.mathis+ale at betteradmin.com (Brian Mathis)]

The problem you will run into here is that the web browser does not know it
needs to use TLS, so it will try to send a plain HTTP request, and apache
will return the Bad Request, since *it* is expecting to receive HTTPS.


? Brian Mathis
@orev


On Fri, May 16, 2014 at 4:36 PM, Adrya Stembridge <
adrya.stembridge at gmail.com> wrote:

> Quick follow-up.   Is there a way in iptables to redirect traffic from
> non-ssl to ssl (such as 80 to 443)?  I'm already handling this with Apache,
> but wondered if I could safely cut off all non-encrypted traffic this way,
> or if this even makes sense.
>
> I'm getting Bad Request after adding
> iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT
> --to-port 443
> and accessing content over http.
>
>
> On Fri, May 16, 2014 at 3:00 PM, Jim Kinney <jim.kinney at gmail.com> wrote:
>
>> yep! blocking the gateway will do that as well :-)
>>
>> Glad it's working.
>>
>>
>> On Fri, May 16, 2014 at 2:51 PM, Adrya Stembridge <
>> adrya.stembridge at gmail.com> wrote:
>>
>>> Got it sorted out and feel like a total newb for not seeing this
>>> earlier.   I only obtain content from a single external machine. Once I
>>> added that machine's IP to the INPUT ruleset, my system is able to
>>> reach/retrieve info as before.
>>>
>>> Thanks for the help.
>>>
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>>
>>
>> --
>> --
>> James P. Kinney III
>>
>>
>>
>>
>>
>> *Every time you stop a school, you will have to build a jail. What you
>> gain at one end you lose at the other. It's like feeding a dog on his own
>> tail. It won't fatten the dog. - Speech 11/23/1900 Mark
>> Twainhttp://heretothereideas.blogspot.com/
>> <http://heretothereideas.blogspot.com/>*
>>
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>>
>
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