Added iptables rules and sysctl vars for internet access

CanonicalLtd / microstack

Snap for installing an all-in-one OpenStack

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Added iptables rules and sysctl vars for internet access #57

Closed pengale closed 5 years ago

pengale commented 5 years ago

Fixes lp#1812415

Prior to this fix, instances spun up by microstack could not successfully route to and from the Internet. Setting a rule for ipv4 forwarding and iptables rules for the nat fix the issue.