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Firewalls

A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications. It is a device or set of devices that is configured to permit or deny network transmissions based upon a set of rules and other criteria.
Firewalls can be implemented in either hardware or software, or a combination of both. Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet, especially intranets. All messages entering or leaving the intranet pass through the firewall, which inspects each message and blocks those that do not meet the specified security criteria.
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4 current discussions about the category Firewalls

User miklagard

Fiber 7 Gbit Synchron

Guten Tag

Ich suche eine Firewall die 1Gbit von Wan auf Lan bekommt.

Freundliche Grüsse

Discussion
24.08.2016
2 posts
stephansann

stephansann

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info

info

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User grey_fox

Firewall, Router, oder...?

Hallo Netzwerk-Experten,
ich habe eine 20Mbit Internetleitung, mein Rechner mit Windows Firewall/Virenschutz hängt per Wifi an einem kleinen Billig-Router. Bisher war Datensicherheit kein Thema, ich hatte auch seit Jahren nie einen Virus o.ä. Da...

Discussion
08.03.2017
2 posts
aci1d st0Rm

aci1d st0Rm

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Anonymous

Anonymous

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User Anonymous

Firewall <-> Router

Guten Tag die EXPERTEN

Ich möchte gerne wissen was der Unterschied zwischen Firewall und Router ist. Ist eine Firewall gleichzeitig auch ein Router? Ein Router ist ja oft auch gleichzeitig eine Firewall. Die meisten Firewall bieten ja auch NAT...

Discussion
13.10.2015
35 posts
Anonymous

Anonymous

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ccomtec2009

ccomtec2009

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Anonymous

Anonymous

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abakuki

abakuki

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Wohlstandskind

Wohlstandskind

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Fears313

Fears313

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DavidRappl

DavidRappl

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User Ganjaclouz

VLAN angeben

Bei Router wie auch Firewall wäre es nützlich wenn auch die VLAN Funktion filtern könnte.

Discussion
17.11.2015
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Ganjaclouz

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greky1989

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heiko2

heiko2

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Charida Bänziger

Charida Bänziger

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