Talkback for article: 289, May2003

Packet filtering with Linux

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From: micha [ date: 2003-05-14 ]
well done, good explanation!
From: Patrick Op de Beeck <alug(at)> [ date: 2003-07-30 ]
telnet accepted from outside ? You must be kidding!
DON't do it !
From: Gonzalo Brusella <gbrusella(at)> [ date: 2003-07-30 ]
Yes! It's works, and it's very easy to understand...

But if i have an internal POP3/SMTP server: can I avoid external users to get acces to him?? I'm not relaying mail..
From: Rajeesh <rajeesh-r(at)> [ date: 2003-11-06 ]
I read ur article,But could'nt get all of that.Any way it is nice
thank you

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