Talk:Firewall (computing): Difference between revisions

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	==Packet filters are a misnomer for firewalls ==

	So Jeffrey Mogul wrote a paper on packet filters which are used to demultiplex packets in the kernel and send them to subscribed userspace processes. He then wrote another paper a year later that talks about access control on datagrams which uses some packet-filter technology but explicitly doesn't call it a packet filter whatsoever.

	Packet filters are for filter/delivering packets to user space, not for access control. I think you can state "firewalls are erroneously called packet filters" but they simply aren't firewalls and Jeffrey Mogul who coined the term never really used it in the discussion of access control on datagrams or firewalls except to say that it shared some technology features. <!-- Template:Unsigned IP --><small class="autosigned">— Preceding ] comment added by ] (]) 15:31, 12 June 2019 (UTC)</small> <!--Autosigned by SineBot-->

	==Another old comment==
	After you install a firewall, you should perform a to make sure your configuration is correct.

	== Application-layer firewall ==

	The Article ] should benefit from all the info given here.
	or maybe merged completely/made into a redirect. --] ] 22:58, 31 Jan 2005 (UTC)
	:I agree. Merging a bunch of tightly-related short article to one decent one could make a decent feature. Do we need to propose a vote somehow? I'd merge into this article both ] and ]. I'd even consider adding ] (without the vendor list), ], the proposed ], and anything useful from ]. --] 11:19, 26 Feb 2005 (UTC)

	==This is more like a How-To ==
	It feels much more like a HOWTO page rather than an encyclopeda article

	== rb ==
	Can someone find a link to a rendered animation about the workings of a firewall. From memory it's about 100Mb in size and shows the journey of packets into and through a firewall . Very educational. Sure is! Great work 'Warriors of the Net' ! thank you.
	I just can't remember where I saw it and I've searched with clusty and google images. Much appreciated for finding the link if someone could.
	Fret no more; go get it from here:
	<small><span class="autosigned">—Preceding ] comment added by ] (] • ]) 03:46, August 20, 2006</span></small><!-- Template:Unsigned -->

	== Morris Worm ==		== Morris Worm ==
			{{Archive top \|result=No longer in article 21:52, 21 January 2022 (UTC)}}
	This statement describes this virus/worm as still being a current problem today -- is this accurate?		This statement describes this virus/worm as still being a current problem today -- is this accurate?

	"This virus known as the Morris Worm was carried by e-mail and is now a common nuisance for even the most innocuous domestic user."		"This virus known as the Morris Worm was carried by e-mail and is now a common nuisance for even the most innocuous domestic user."
	<small><span class="autosigned">—Preceding ] comment added by ] (] • ]) 16:31, September 23, 2006</span></small><!-- Template:Unsigned -->		<small><span class="autosigned">—Preceding ] comment added by ] (] • ]) 16:31, September 23, 2006</span></small><!-- Template:Unsigned -->
			{{Archive bottom}}

	== Consumer Product Definitions of Firewall Types ==		== Consumer Product Definitions of Firewall Types ==
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	== First to Second Generation Timegap? ==		== First to Second Generation Timegap? ==
			{{Archive top \|result=No longer in article 21:52, 21 January 2022 (UTC)}}
	"The first paper published on firewall technology was in 1988, when..."		"The first paper published on firewall technology was in 1988, when..."
	"From 1980-1990 three colleagues from..."		"From 1980-1990 three colleagues from..."
	The two beginnings of the paragraphs concerning first and second generation firewalls. So the second generation firewalls was already eight years in development when the first virus attack occured and the first paper on the topic was published?! Anyone got references for this?		The two beginnings of the paragraphs concerning first and second generation firewalls. So the second generation firewalls was already eight years in development when the first virus attack occured and the first paper on the topic was published?! Anyone got references for this?
			{{Archive bottom}}

	== Third generation: application layer -- Inaccuracies ==		== Third generation: application layer -- Inaccuracies ==
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	This is entirely different from a "regular" firewall. Thus, this portion should be removed. There should really be a separate article dedicated to WAF technology. It is that important and relevant in the industry today.		This is entirely different from a "regular" firewall. Thus, this portion should be removed. There should really be a separate article dedicated to WAF technology. It is that important and relevant in the industry today.

			:Now covered in ] ~] (]) 21:52, 21 January 2022 (UTC)

			== Expand logs ==

			The logs section includes a number of useful categories of firewall behavior. It would be worth expanding these beyond just logs into fuller descriptions e.g., ]. ] (]) 04:03, 18 September 2024 (UTC)
	fortnite is the best game of all!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	fortnite is the best fortnite fortnite fortnite-fortnite multiplayer game is the best. i play on a xbox one s. <!-- Template:Unsigned IP --><small class="autosigned">— Preceding ] comment added by ] (]) 19:41, 22 January 2019 (UTC)</small> <!--Autosigned by SineBot-->

	== fortnite ==

	fortnite is the best game of all!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	fortnite is the best fortnite fortnite fortnite-fortnite multiplayer game is the best. i play on a xbox one s. <!-- Template:Unsigned IP --><small class="autosigned">— Preceding ] comment added by ] (]) 19:44, 22 January 2019 (UTC)</small> <!--Autosigned by SineBot-->

	== fortnite ==

			:See also {{section link\|Internet filter#Types of filtering}}. ] (]) 04:06, 18 September 2024 (UTC)
	fortnite is the best game of all!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	fortnite is the best fortnite fortnite fortnite-fortnite multiplayer game is the best. i play on a xbox one s. <!-- Template:Unsigned IP --><small class="autosigned">— Preceding ] comment added by ] (]) 19:53, 22 January 2019 (UTC)</small> <!--Autosigned by SineBot-->

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Morris Worm

No longer in article 21:52, 21 January 2022 (UTC)

The following discussion is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

This statement describes this virus/worm as still being a current problem today -- is this accurate?

"This virus known as the Morris Worm was carried by e-mail and is now a common nuisance for even the most innocuous domestic user." —Preceding unsigned comment added by 75.7.44.13 (talk • contribs) 16:31, September 23, 2006

The discussion above is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Consumer Product Definitions of Firewall Types

I'm a consumer looking at the firewall descriptions of various DSL modems and routers, trying to compare different products and figure out what firewall features are available that I should look for. This Misplaced Pages article hasn't really clarified the situation for me.

One product says "Advanced security from hacker attacks with Stateful Packet Inspection (SPI) and Network Address Translation (NAT) firewalls".

Are those vague general terms, or exact specifications of firewall techniques that will be the same for any product that claims to do them? Statefully inspecting the packets for what -- the same things in any product that implements this? Is NAT really an active firewall, or just that the nature of a shared IP at the router device has this benefit?

One says "Protects PCs from Ping of Death, SYN Flood, Land Attack, IP Spoofing, and other DoS (Denial of Service) Attacks", another says protects against DoS attacks. Is product A better?

Etc. —Preceding unsigned comment added by 75.6.235.68 (talk • contribs) 22:46, September 24, 2006

First to Second Generation Timegap?

No longer in article 21:52, 21 January 2022 (UTC)

The following discussion is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

"The first paper published on firewall technology was in 1988, when..." "From 1980-1990 three colleagues from..." The two beginnings of the paragraphs concerning first and second generation firewalls. So the second generation firewalls was already eight years in development when the first virus attack occured and the first paper on the topic was published?! Anyone got references for this?

The discussion above is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Third generation: application layer -- Inaccuracies

This section would be better titled: Third Generation: NGFW. This is the standard name in the industry today.

Additionally, there's a statement that I believe to be irrelevant to the article.

...Web Application Firewall (WAF). WAF attacks may be implemented in the tool “WAF Fingerprinting utilizing timing side channels” (WAFFle).

The citation (13) references WAFs. WAFs are _not_ the same as network security gateways AKA firewalls. They are a very specific security gateway that protects webservers and focuses on HTTP/HTTPS protections.

This is entirely different from a "regular" firewall. Thus, this portion should be removed. There should really be a separate article dedicated to WAF technology. It is that important and relevant in the industry today.

Now covered in Web application firewall ~Kvng (talk) 21:52, 21 January 2022 (UTC)

Expand logs

The logs section includes a number of useful categories of firewall behavior. It would be worth expanding these beyond just logs into fuller descriptions e.g., URL filtering. Tule-hog (talk) 04:03, 18 September 2024 (UTC)

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