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Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use

From jayjwa <jayjwa@atr2.ath.cx.invalid>
Newsgroups comp.os.linux.misc
Subject Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use
Date 2025-08-05 11:30 -0400
Organization Atr2 RG 2025
Message-ID <87ms8dkcq6.fsf@atr2.ath.cx> (permalink)
References <106sehe$2kv5n$1@dont-email.me>

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I say it depends on the situation. For a home user, no. Unless you open
something there's nothing listening there to exploit. If it's in a
business setting, such as an online store then yes. Online stores of
places of business like Sony or Amazon are bound to have people banging
away on them.

A business site might have someone exploit a web UI, and a firewall
could stop a connect-back shell. On a multi-user system like a
university system, a firewall might stop a user running a netcat listener
(by accident or otherwise) and giving shell access out to the world.

Having to worry about firewalls, scanning files, and virus scanning on
home systems all harken back to the time of the Microsoft
systems. Firewalls were a way to stop Windows doing things you didn't
want it to do. Windows in the 90s and early 2000s opened up a bunch of
ports and services the user might not know about. That doesn't occur on
Linux.

-- 
PGP Key ID: 781C A3E2 C6ED 70A6 B356  7AF5 B510 542E D460 5CAE
       "The Internet should always be the Wild West!"

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Thread

Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-05 08:14 +0000
  Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-05 11:22 +0200
    Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marco Moock <mm@dorfdsl.de> - 2025-08-05 11:34 +0200
  Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use jayjwa <jayjwa@atr2.ath.cx.invalid> - 2025-08-05 11:30 -0400
    Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-05 19:56 +0100
      Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 01:06 +0000
    Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John McCue <jmclnx@gmail.com.invalid> - 2025-08-06 01:32 +0000
      Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 04:20 +0000
        Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use c186282 <c186282@nnada.net> - 2025-08-06 01:33 -0400
          Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-06 09:31 +0100
            Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 08:56 +0000
              Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-06 10:35 +0100
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-06 11:38 +0100
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-07 00:06 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-11 11:50 +0100
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-11 22:02 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-12 08:39 +0100
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-12 10:49 +0200
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-12 10:54 +0100
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-08-12 18:47 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-12 23:36 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E. R." <robin_listas@es.invalid> - 2025-08-12 12:08 +0200
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use rbowman <bowman@montana.com> - 2025-08-12 19:35 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-12 23:07 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Richard Kettlewell <invalid@invalid.invalid> - 2025-08-06 14:21 +0100
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-06 16:24 +0100
            Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-06 10:12 +0100
          Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-08-07 11:43 +0300
        Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John McCue <jmclnx@gmail.com.invalid> - 2025-08-06 11:55 +0000
      Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-06 07:40 +0200
        Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 06:31 +0000
          Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-06 11:06 +0200
            Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Richard Kettlewell <invalid@invalid.invalid> - 2025-08-06 14:25 +0100
              Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-06 17:11 +0200
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 23:59 +0000
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-07 08:37 +0200
                Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-07 06:52 +0000
      Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-06 12:46 +0200
        Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 23:56 +0000

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