[2047] in linux-security and linux-alert archive
[linux-security] IP Filters and Masq: last questions
daemon@ATHENA.MIT.EDU (Mailing Lists)
Thu Aug 13 02:10:37 1998
Date: Wed, 12 Aug 1998 16:16:41 -0400
To: linux-security@redhat.com
From: Mailing Lists <mlist@almerco.ca>
In-Reply-To: <13777.53173.949431.624555@cerise.sensei.co.uk>
Resent-From: linux-security@redhat.com
Resent-Reply-To: linux-security@redhat.com
I have some last questions about IP and Masq.
This is the network configuration I have now:
|INTERNET|---|CISCO|---<DMZ>---|FIREWALL, IP+MASQ|---|INTERNAL NET|
The firewall is a minimal RH51 that only accepts SSH connections from
selected hosts and has no redir software.
>From the comments I've been reveiving, I know that tcp connections are
secured. What about udp, icmp, ipx/spx or any other I don't know about?
Are the blocked to or they pass thru? If they pass, what measures do I
have to filter or block them?
Thank you! So far, the list is being very helpful.
I will post the results of all my inquiries in a week or so.
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