Re: Doubt about ADSL security.
From: Michael E. Webster (mwebster_at_intercosmos.com)
Date: 09/02/04
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To: For users of Fedora Core releases <fedora-list@redhat.com> Date: Thu, 02 Sep 2004 15:35:16 -0400
On Thu, 2004-09-02 at 14:58, cviniciusm wrote:
> Hello,
>
> I have a nic card and a ADSL modem. The ADSL modem thas NAT, Firewall,
> IP Filter and DHCP Server. The nic card has a private IP address and
> the modem has a public IP address. All just works fine. The firewall
> has attack protection and DOS protection both active. Need I more
> protection, on Windows 2000 and on Fedora Core 2?
>
> Thanks in advance, Vinicius.
>
A few things I do:
1. On all my boxes, I run portsentry. The portsentry.conf and the
portsentry.ignore are very straight-forward. I have portsentry set up
to detect port scans and automatically insert the offending IP address
into iptables with:
KILL_ROUTE="/sbin/iptables -I INPUT -s $TARGET$ -j DROP"
2. Keep everything up to date.
3. Turn off all services that aren't needed. My standard workstation
only has sshd (port 22) open.
Mike.
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- Previous message: Jim Higson: "Re: How to suspend the list for a week while in vacation"
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