Additional information and restructurizing #247
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Updated and restructurized text with some more inforamtion regarding ACL
rohityadavcloud
requested review from
nvazquez,
sureshanaparti and
weizhouapache
| - ACL rules can also beeen seen on the virtual router of the VPC. Ingress | ||
| rules are listed in the table iptables table "filter" while egress rules | ||
| are placed in the "mangle" table | ||
| - ACL rules for ingress and egress are not correlating. For exampel a |
| allowed from the tiers. Default network ACL cannot be removed or | ||
| modified. Contents of the default Network ACL is: | ||
| In CloudStack terminology, a Network ACL is a group of Network ACL rules. | ||
| Network ACL rules are processed by theire order, starting with the lowest |
| modified. Contents of the default Network ACL is: | ||
| In CloudStack terminology, a Network ACL is a group of Network ACL rules. | ||
| Network ACL rules are processed by theire order, starting with the lowest | ||
| numbered rule. Each rule defines at least a affected protocol, traffic type, |
| Network ACL. Only one ACL can be associated with a tier at a time. If no | ||
| custome network ACL is availeable at the time of tier creation, adefault | ||
| Network ACL has to be used instead. Curretly two default ACL are | ||
| availeable. The "default_allow" ACL allows in- and egress traffic while |
| availeable. The "default_allow" ACL allows in- and egress traffic while | ||
| the "default_deny" blocks all in- and egress traffic. Default network | ||
| ACL cannot be removed or modified. Newly created ACLs, while showing | ||
| empty, deny all incoming traffic to the associated tier and allow all |
squash typos
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@weizhouapache |
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closed this one and opend a new one with updated remarks |
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HI, here my take on the ACL implementation in a VPC context. I added some more information which might be interesting for planning of VPC / tier design as well as security conciderations.