New to iptables
I'm searching for an introduction to iptables that leads me to
answers to the questions *I* have. I've got a flock of links I'm
working thru.
In the meantime I have a few questions.
One of the links led to _Securing Debian Manual_ and in particular
"Appendix F - Security update protected by a firewall"
{https://www.debian.org/doc/manuals/securing-debian-howto/ap-fw-security-update.en.html}
I follow the description as far as it goes - i.e. access is
limited to a specific URL.
QUESTION 1
What happens if the URL is not "security.debian.org" but my bank.
I assume that there is no problem with links within the same domain.
I DO know however that the site gets information from other sites
to handle my requests. From what I can follow they are
JavaScripts applets(right word) to display information. What
would happen?
Because of my my uncertainties intend to have a "sandboxed"
install. The associated partition will have only Debian and the
browser.
Question 2
There will be a separate install of Debian that I will use for
"everything else". Can the iptables of that install be set to
allow access to any domain *EXCEPT* my bank's? The goal being
minimization of "operator error".
Question 3
Is there a simple minded tool that I could enter the show in the
example in "Appendix F".
TIA
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