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SubjectRe: your mail

> 1) you don't want any packets from the interface -> don't ifconfig it.
> 2) you want to selectively filter which packets are allowed via the interface.
> ifconfig it, then use ipchains.

1) what if you only want to recieve but dont want to send? (routes are for
send not recieve, think one way cable modem)
2) Actually, that would be bad (ifconfig,then chains). Luckly ipchains
allows you to firewall before it's up.

This is really more an issue for Dial on demand links, where the implicit
routing makes things much more complicated.



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