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
