Re: [Lilux-info] Reverse Firewalls

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Eric Dondelinger wrote: | Hi, | | On Wed, 21 Jul 2004, Patrick Kaell wrote: | | |>Slashdot has an article about 'Reverse Firewalls As An Anti-Spam Tool': |> |>http://slashdot.org/articles/04/07/21/028221.shtml?tid=111&tid=137&tid=95 |> |>It is the first time that I hear the term 'Reverse Firewall'. But it |>remembers me of past discussions ;-) | | | Indeed, I suppose the same thing as discussed is meant - but | the term is IMHO bullsh*t, a packet filter is usually able to | filter in any direction. I guess someone got inspired by the | term "reverse proxy", which does have sense. | No the idea is much better. With this reverse-firewall it will stop dub end-users from sending attacks to other sites. The firewall could disallow source IP spoofing. It could filter out allthose 135-139 ports that go out. You would protecccccc the Internet from a lot of attaks with this. Hackers would anyway soon find a way around the box so it would not help for those. | Oh well... | | Btw, some providers force a redirect of SMTP traffic to their | own mailserver. Have a look at: | | http://www.init7.ch/anti-spam/index.php | | No idea how they handle smtp-auth to other servers... I don't like the idea. Only introduces problem for stand-alone mail servers as ours. | | Eric | | _______________________________________________ | Lilux-info mailing list | Lilux-info(a)lilux.lu | http://lilux.lu/mailman/listinfo/lilux-info - -- Thierry Coutelier Président LiLux asbl 7, Rue Jacques Sturm L-2556 Luxembourg Office:+352 710725 608 Home:+352 406776 http://www.linux.lu/