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Diffstat (limited to '3 resources/linux/networking/IP masquerade.md')
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diff --git a/3 resources/linux/networking/IP masquerade.md b/3 resources/linux/networking/IP masquerade.md new file mode 100644 index 0000000..2ccc8e6 --- /dev/null +++ b/3 resources/linux/networking/IP masquerade.md @@ -0,0 +1,17 @@ +#linux #networking + +--- +A function in the kernel that allows guests with internal/private IPs to access the internet by using the hosts' public IP similar to 1 to many NAT. + +Differences with Proxy, IP Masq, NAT: + +**Proxy** +Requires special configuration on internal client side. Can be used for caching. + +**IP Masq** +A form of NAT used primarily in Linux devices. Translates IP address and uses the connection tracking table and ports to map responses back to the internal connection. + +**NAT** +Has different types with different use-cases. +Static NAT: 1-1 mapping of pub/private IP. Dynamic NAT: pool of pub ips to dynamically map private IPs to based on availability. +PAT (Port): similar to IP Masq; 1-many using ports.
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