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how firewall section and proxy section affect on each other
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Topic: how firewall section and proxy section affect on each other (Read 29136 times)
kikilinux
Full Member
Offline
Posts: 47
how firewall section and proxy section affect on each other
«
on:
Tuesday 15 October 2013, 03:04:07 am »
Hi
Maybe i have a miss understanding from
firewall
functionality with
proxy
I want to enable proxy and for example block http traffic from
green
zone to
DMZ
zone, can i perform this ?
Do i say right, when i use proxy then i can't filter traffic by firewall ?
best
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kikilinux
Full Member
Offline
Posts: 47
Re: how firewall section and proxy section affect on each other
«
Reply #1 on:
Tuesday 29 October 2013, 05:23:49 am »
nobody can answer my question
can we use http proxy and firewall together ?
when we use transparent http proxy then we can't use firewall in inter-zone or outgoing state ?
anybody knows ?
best
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jfinnigan
Jr. Member
Offline
Gender:
Posts: 4
Network Administrator
Re: how firewall section and proxy section affect on each other
«
Reply #2 on:
Tuesday 29 October 2013, 09:39:28 am »
Yes, you can. I think you are missunderstanding the purpose of a proxy/content filter and a firewall. They work at different layers in the OSI model. A firewall works at layer3 and stops or allows traffic bases on ACLs and their associated ip addresses and port numbers. It doesn't care or know what's inside those packets. A firewall would be what you use to stop or allow access to a particular network. The proxy content filter is what you'd use to block users from access certain internet websites.
Hope that helps.
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