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Re: Why does Debian allow all incoming traffic by default



On Fri, Sep 21, 2018 at 08:34:50AM +0530, Subhadip Ghosh wrote:
> Hi,
> 
> I am using Debian and the recently I learned that a standard Debian
> installation allows all 3 types of traffics especially incoming by default.

What do you mean by "all 3 types of traffics"?

> I know I can easily use iptables to tighten the rules but I wanted to know
> the reasons behind the choice of this default behaviour and if it makes the
> system more vulnerable? 

The behavior you observe is likely because that is the best default that is
universally applicable.

> I tried searching on the Internet but did not get
> any satisfactory explanation. It will be helpful if anybody knows the
> answers to my questions or can redirect me to a helpful document.
> 
Where did you search or what terms did you use?

Regards,

-Roberto

-- 
Roberto C. Sánchez


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