Obliger l'utilisation de squid avec Shorewall ?

Salut,

Le 14 déc. 2004, Js a écrit dans fr.comp.os.linux.configuration :

- La seconde, car certain de mes appli ne peuvent etre utilise avec
proxy (pas de paramettrage) c'est de faire une redirection automatique
des requete 80/443 vers le proxy squid ..

Ca tu peux le faire avec socat...

- La premiere est d'interdire la navigation directe sans passer par le
proxy .. bloquer donc le port 80 et 443 ..

...Et du coup ça devient inutile (et contradictoire) de bloquer ces ports.

c'est quoi socat ?

"Jogo" <jogo@alussinan.org> a écrit dans le message de
news:Xns95BF717968979jogoecolemontechlarr@192.168.10.8...

Salut,

Le 14 déc. 2004, Js a écrit dans fr.comp.os.linux.configuration :

- La seconde, car certain de mes appli ne peuvent etre utilise avec
proxy (pas de paramettrage) c'est de faire une redirection automatique
des requete 80/443 vers le proxy squid ..

Ca tu peux le faire avec socat...

- La premiere est d'interdire la navigation directe sans passer par le
proxy .. bloquer donc le port 80 et 443 ..

...Et du coup ça devient inutile (et contradictoire) de bloquer ces ports.

Le 14 Dec 2004, Js a dit :

c'est quoi socat ?

1) *avant* de poser ce genre de questions, l'usage voudrait que vous vous
munissiez de notre ami Google qui indique dès le premier lien ceci :
«socat - Multipurpose relay
what: "netcat++" (extended design, new implementation)»
Donc c'est une réimplémentation améliorée de netcat...

2) «c'est quoi netcat» ? voir le 1)

3) il est également souhaitable lorsqu'on cite en répondant à un message de
supprimer du message initial tout ce que qui ne sert pas à comprendre sa
réponse et de placer celle-ci _en dessous_ de la citation comme je l'ai
fait.

http://www.giromini.org/usenet-fr/repondre.html pourra vous donner des
explications détaillées.

Merci pour moi et les autres contributeurs du groupe.

Sébastien Kirche

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Dans l'article <41be9aa3$0$32420$636a15ce@news.free.fr>, js@laposte.net
disait...

- La premiere est d'interdire la navigation directe sans passer par le proxy
.. bloquer donc le port 80 et 443 ..

- La seconde, car certain de mes appli ne peuvent etre utilise avec proxy
(pas de paramettrage) c'est de faire une redirection automatique des requete
80/443 vers le proxy squid ..
Ca s'appellerai pas "transparent proxy" cette histoire ?

http://www.squid-cache.org/Doc/FAQ/FAQ-17.html

Dans le message <news:MPG.1c293669bc3dc22e989810@news.free.fr>,
*Laurent* tapota sur f.c.o.l.configuration :

js@laposte.net disait...

- La seconde, car certain de mes appli ne peuvent etre utilise avec proxy
(pas de paramettrage) c'est de faire une redirection automatique des
requete 80/443 vers le proxy squid ..

Ca s'appellerai pas "transparent proxy" cette histoire ?

Si, exactement.

Et la règle correspondante pour Shorewall devrait ressembler à ceci :

REDIRECT loc 8080 tcp 80 - !IP_SERVEUR

8080 étant supposé être le port du proxy et IP_SERVEUR l'adresse IP du
serveur et dans le cas où celui-ci héberge un serveur Web devant être
accessible en local.

--
TiChou

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Thus Spoke Js <js@laposte.net>:

Bonjour,

Je cherche a faire deux choses avec shorewall mais trouve pas la syntaxe
exacte :

Salut,

Tout est expliqué sur le site de Shorewall :o)
http://www.shorewall.net/Shorewall_Squid_Usage.html

quelqu'un sait comment faire ? merci d'avance
De rien.

A+

--
Nicolas BERNE - mailto:nicolas.berne@wanadoo.fr

HTML lesson #42: The only legitimate use of the greatly loathed <BLINK> tag.
Schroedinger's Cat is <BLINK>NOT</BLINK> dead.