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Muhamamd Adib Dzulfikar adibdz

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@pbojinov
pbojinov / README.md
Last active June 27, 2025 05:25
Two way iframe communication- Check out working example here: http://pbojinov.github.io/iframe-communication/

Two way iframe communication

The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.

Parent

Send messages to iframe using iframeEl.contentWindow.postMessage Recieve messages using window.addEventListener('message')

iframe

@DavidWittman
DavidWittman / iptables-nat.md
Created September 29, 2012 20:38
iptables n'at

iptables n'at

Source NAT

Source NAT changes the source address in IP header of a packet. It may also change the source port in the TCP/UDP headers. The typical usage is to change the a private (rfc1918) address/port into a public address/port for packets leaving your network. Available only in the POSTROUTING chain in iptables.

Syntax

iptables -t nat -A POSTROUTING -i eth1 -j SNAT --to-source 1.2.3.4[:port]

Example