Re: how to detect hack attempts.

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On Friday, February 21, 2020 7:17:33 PM MST Tim via users wrote:
> Tim:
> 
> >> Beyond the usual (HTTP, mail, DNS servers, etc), what is the average
> >> non-admin user going to set up that listens as a server?  Admin-
> >> users setting up those traditional services ought to know how to
> >> manage firewalls, or they ought not to mess around with those
> >> services.
> 
> 
> Samuel Sieb:
> 
> > There are a variety of things like file sharing (webdav), media
> > sharing (dlna), remote desktop, various 3rd party or proprietary
> > software, etc.
> 
> 
> So, why can't the installation of those applications automatically
> include an appropriate firewall rule?  Better to allow a controlled
> opening, rather than just open-slather.
> 
> -- 
>  
> uname -rsvp
> Linux 3.10.0-1062.12.1.el7.x86_64 #1 SMP Tue Feb 4 23:02:59 UTC 2020 x86_64
> 
> Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
> I will only get to see the messages that are posted to the mailing list.

They do come with firewall rules, see /usr/lib/firewalld/services. They aren't 
enabled automatically, of course, because it's up to the end-user whether or 
not it should be available on a given interface.

-- 
John M. Harris, Jr.
Splentity

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