firewall

[Lisa Kachold]

The most important thing you can do is FIREWALL outbound traffic as well as
inbound.

It's a great deal of work, but clearly nepharious traffic will be dropped.


On Wed, Aug 27, 2014 at 7:32 AM, Bob Elzer <bob.elzer at gmail.com> wrote:

> My question would be, how many times a day does someone try to break into
> your system ?
>
> If you don't know the answer then maybe you should be running a firewall.
>
> It really depends on whether your network is secure or not, usually what
> secures your network is a firewall. If that's the one on your router then
> that should be enough.
>
> Looking in your log files for strange IP's and failed password attempts
> will let you know if people are trying to get in, if you're running a web
> server look in the error logs for attempts to access non existing files,
> usually a bunch from the same IP.
>
> Windows may have more vulnerabilities, but they will still try to break
> into Linux systems.
>
> Search and read about fail2ban, that's one tool to use when you need to
> have a service open to the internet.
>
> Hope this helps
>  On Aug 26, 2014 8:15 PM, "Michael Havens" <bmike1 at gmail.com> wrote:
>
>> I hear people say, "Even Linux users need a firewall."
>> My question is..... why? I've runlinux since '98 w/o a firewall (aside
>> from the one sent with my modem/router). Isn't that good enough?
>> :-)~MIKE~(-:
>>
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