Inta badan isticmaalayaasha kombuyuutarku waxay yaqaaniin ereyga Firewall . Firewalls waa aaladaha Hardware ama barnaamijyada ^(Hardware)Software -ka ee la socda xidhiidhada soo galaya iyo kuwa baxaya iyaga oo falanqeynaya xogta xirmada ee dabeecadaha xaasidnimada leh. Sida qeexitaanku leeyahay, waxaa jira labadaba Software iyo Hardware Firewalls . Xilligan casriga ah, waxaan dhab ahaantii dagaal kula jirnaa hackers iyo malware-ka iyo horumarinta fayraska, mar walba iyo amniga xogta ayaa noqday welwelka koowaad. Si aan u ilaalino kombayuutarradayada, waxaan isticmaalnaa software-ka ilaalinta sida AntiVirus iyo Firewalls- sida aan soo sheegnayna, waxaa jira laba nooc oo dab-damis ah - Hardware firewalls  iyo Software firewalls.

Hardware firewall vs. Software firewall

Maqaalkan, waxaan kaga hadli doonaa faraqa u dhexeeya Software Firewall  & Hardware Firewall .

Hardware Firewall

Hardware Firewalls waxaa inta badan lagu arkaa modem-yada ballaaran, waana safka ugu horreeya ee difaaca, iyadoo la adeegsanayo Filtering Packet^{(Packet Filtering)} . Kahor inta uusan xirmo internetku^(Internet) gaarin kombuyutarkaga, Hardware Firewall ayaa la socon doona xirmooyinka oo hubin doona halka uu ka yimid. Waxa kale oo ay hubisaa in ciwaanka IP-ga ama madaxa la aamini karo. Jeegagahan ka dib, baqshadda ayaa markaa gaadhaysa PC-gaaga. Waxa ay xannibaysaa xidhiidh kasta oo ka kooban dabeecad xaasidnimo ah oo ku salaysan habaynta Firewall^(Firewall) -ka ee hadda ee qalabka. Firewall Hardware^{(Hardware Firewall)} caadi ahaan uma baahna habayn badan. Inta badan xeerarku waa kuwo la dhisay oo la sii qeexay oo ku salaysan xeerarkan la dhisay; Shaandhaynta xirmada^{(Packet Filtering)} waa la sameeyaa.

Tignoolajiyada maanta aad ayay u wanagsantay oo ma ahan kaliya shaandhaynta xirmo dhaqameed ee^{(Packet Filtering)} la fuliyo. Firewall-ka Hardware^{(Hardware Firewall)} wuxuu ku dhex dhisan yahay IPS / IPDS ( Nidaamka Kahortagga Faragelinta^{(Intrusion Prevention Systems)} ), kaas oo markii hore ahaan jiray qalab gaar ah. Laakiin hadda kuwan ayaa lagu soo daray, oo ina siinaya ilaalin weyn.

Marka IPDS ay ogaato nashaadaadka xunxun, way dirtaa oo ay calaamadisaa oo dib u dejisaa xidhiidhka, oo waxay xannibtaa ciwaanka IP-ga. Waxay adeegsataa saxeex ku-salaysan, anomaly-ku-salaysan tirakoob, iyo falanqayn borotokool dawladeed. Waxaad wax badan oo arrintan ku saabsan ka akhriyi kartaa halkan^(here) . Laakiin cilladda ugu weyn ee aan helay waa in ay ogolaato dhammaan baakadaha baxaya, ie, haddii fursad, malware uu galo nidaamkaaga oo uu bilaabo gudbinta xogta, waa la ogolaan lahaa ilaa isticmaaluhu ka warqabo, oo uu go'aansado inuu joojiyo. Laakiin inta badan, tani ma dhacdo.

Hardware Firewall wuxuu caadi ahaan u fiican yahay milkiilayaasha ganacsiyada yaryar ama kuwa dhexdhexaadka ah, oo leh 5 PC ama ka badan ama jawi iskaashi. Sababta ugu weyn ayaa ah in markaa ay noqoto mid wax ku ool ah sababtoo ah haddii aad rabto inaad iibsato shatiyada Internet Security/Firewall 10 ilaa 50 nuqul, iyo in sidoo kale ku saleysan isdiiwaangelinta sanadlaha ah, waxay ku kici doontaa lacag badan iyo hawlgelinta ayaa sidoo kale laga yaabaa. arin noqo. Isticmaalayaashu waxay si fiican u xakameyn doonaan deegaanka. Haddii isticmaaluhu aanu ahayn mid farsamo-yaqaan ah iyo haddii ay doortaan inay si badheedh ah u oggolaadaan xidhiidhka leh dabeecadda Malware , waxay burburin kartaa dhammaan shabakadda oo waxay gelin kartaa shirkadda khatarta amniga xogta. Dab-damiska qalabka ayaa markaa aad waxtar u yeelan kara xaaladahan oo kale.

Had iyo jeer waxaa jira waxyaabo yar oo ay tahay inaad tixgeliso^{(things you have to consider)} ka hor intaadan iibsan dab-damiska ku salaysan Hardware. Tirada isticmaalayaasha shabakadaada, tirada isticmaalayaasha VPN ee shabakadaada, sababtoo ah hoos u dhigida tirada waxay daali kartaa waxqabadka qalabkaaga waxayna sidoo kale saameyn kartaa waxqabadka isku xirka internetka^(Internet) . Sidoo kale, hubi inaad haysato shati kugu filan xidhiidhka macmiilka VPN , oo ay leedahay taageerada xidhiidhka ^(VPN)SSL , PPTP , iwm. Xitaa haddii ay tahay inaad bixiso rukhsad, u bax - sababtoo ah is-qorista waxay la macno tahay inaad hesho qeexitaanadii ugu dambeeyay.

Soo-saareyaasha hadda waxaa ku jira Gateway^{(Gateway Antivirus)} -ka-hortagga Virus- ka , Sawir-qaadayaasha Malware -ka, iyo Shaandhooyinka Mawduucyada^{(Content Filters)} , markaa waxaad iyaga ka heli doontaa ilaalinta ugu badan. Tusaale ahaan, CISCO Hardware waxaa ku jira "Cisco ProtectLink Security Solutions" ee aaladaha la doortay. Waxa ay wax ka qabanaysaa khatar amni oo gaar ah, iyada oo qayb ka ah amniga guud, habku waxa uu bixiyaa lakabyo ilaalin ah oo lagaga hortagayo khataraha kala duwan.

Waxaa jira shirkado badan oo aad ka dooran karto sida CISCO , SonicWall , Netgear , ProSafe , D-Link , iwm. Hubi in aad haysato xirfadle shabakadeed shahaado leh marka aad dejinayso ama taageero farsamo oo wanaagsan sababtoo ah i aamin waxaad u baahan doontaa iyaga marka aad habaynayso nidaamka.

Akhri^(Read) : Noocyada kala duwan ee Firewalls : Faa'iidooyinka iyo khasaaraha

Software Firewall

Hadda oo aan ognahay sida Hardware Firewalls u shaqeeyo, waxaan ka hadli doonaa waxoogaa ku saabsan Software Firewalls . Run ahaantii, Software Firewalls uma baahna sharraxaad aad u badan sababtoo ah badideenna waanu ka warqabnaa oo waannu isticmaalnay. Sida aan ku sheegay qaybta Firewall Hardware^{(Hardware Firewall)} haddii isticmaaluhu aanu ahayn tikniyoolajiyada iyo haddii ay doortaan inay oggolaadaan xidhiidhka leh habdhaqanka Malware , waxay burburin kartaa shabakadda oo dhan waxayna gelin kartaa shirkadda khatarta amniga xogta. Taasi waa meesha uu ka soo galo sawirka software-ka, maadaama halkan aan joojin karno isku xirka soo socda iyo kan baxaya labadaba waxaanan dejin karnaa sharciyo la aamini karo si shilalkan looga fogaado.^{(That’s where software firewall comes into the picture, as here can we block both incoming and outgoing connections and set up trusted rules so these accidents can be avoided.)}  Iibiyeyaasha Firewall-ka ayaa si joogto ah arrintan u baadha oo u arka hadba wixii ku soo kordha iyo marka loo baahdo, markaa fursadaha kombuyuutarkaaga uu wax u dhimi karo ayaa yar.

Waa shaqo jahawareer ah in la doorto xal badbaado internet^{(Internet Security)} oo dhammaystiran oo adiga kugu habboon. Markaad baarto golayaasha, waxaad arki kartaa dood holac ah, oo xubin kastaa uu difaaco kuwa uu jecel yahay. Waxaad ku waayi doontaa doodahan ku dhammaanaya jahawareer ka badan markaad bilawday. Sharcigu waa inaad toosisaa mudnaantaada. Samee liis waxyaabaha aad rabto Tusaale ahaan, ma waxaad rabtaa xal Firewall oo bilaash ah mise mid lacag ah? Waa maxay sifooyinka aad uga baahan tahay Firewall kaaga , Maxay yihiin sifooyinka dheeraadka ah ee loo baahan yahay, sida Antispam , Ilaalinta Webka^{(Web Protection)} , Malware scanner, Antivirus , iwm. Ma rabtaa in aad gasho Internet Security Suite? Markaad go'aansato, ka dibna is barbar dhig sifooyinka. Mid ka mid ah waxaan isticmaalaa Windows Firewall . Ciladda kaliya ee aan u arko inay leedahay ayaa ah, sida caadiga ah, waxay u ogolaataa dhammaan xidhiidhada baxaya. Markaa waxaan adeegsaday codsi dheeri ah oo la yiraahdo Windows Firewall Control - kaas oo aan u dejin karno si aan u xannibno dhammaan isku xirka baxaya iyo sidoo kale xeerarka dejinta kuwa aan rabno, adigoo gujinaya fudud. Waxay haystaan ​​labadaba nooca bilaashka ah iyo nooca mushaharka ee xirfadlayaasha ah, laakiin nooca bilaashka ah ayaa ka badan ku filan. Xakamaynta Firewall Windows  iyo Ogeysiiye Firewall Windows^{(Windows Firewall Notifier)} waa labada kale ee bilaashka ah ee aad hubin karto.

Sida Marcus J. Ranum ayaa yidhi, "Amniga kombuyuutarku maahan wax aan ahayn fiiro gaar ah si faahfaahsan^{(attention to detail)} iyo naqshad wanaagsan^{(good design)} ". Waxaan rajeyneynaa in tani ay kaa caawin doonto inaad go'aansato midka aad rabto.

Sophos XG Firewall Home Edition waa qalab-kumbuyuutar dab-damis ah oo laga yaabo inaad rabto inaad eegto.

Tomorrow we will list some good freeware third-party firewall software for Windows, so stay tuned! But while on this topic, we’d love to hear of any hardware firewalls you’d like to recommend.

Hardware firewall vs Software firewall - Difference

Most comрuter users are familiar with the term Firewall. Firewalls are Hardware devices or Software programs that monitor incoming and outgoing connections analyzing the packet data for malicious behavior.  Like the definition says, there are both Software and Hardware Firewalls. In this modern age, we are literally at war with hackers and malware and virus developers, all the time and data security has become the number one concern.  To protect our computers, we use security software like AntiVirus and Firewalls – and as we just mentioned, there are two kinds of firewalls – Hardware firewalls and Software firewalls.

Hardware firewall vs. Software firewall

In this article, we’ll talk about the difference between Software Firewall & Hardware Firewall.

Hardware Firewall

Hardware Firewalls are mostly seen in broadband modems, and are the first line of defense, using Packet Filtering. Before an Internet packet reaches your PC, the Hardware Firewall will monitor the packets and check where it comes from. It also checks if the IP address or header can be trusted. After these checks, the packet then reaches your PC. It blocks any links that contain malicious behavior based on the current Firewall setup in the device. A Hardware Firewall usually does not need a lot of configuration. Most of the rules are built-in and predefined and based on these inbuilt rules; the Packet Filtering is done.

Today’s technology has improved so much that it not just the traditional Packet Filtering which is carried out. The Hardware Firewall has built-in IPS / IPDS (Intrusion Prevention Systems), which earlier used to be a separate device. But now these are included, offering us greater protection.

When an IPDS detects malicious activity, it sends and signal and reset the connection, and blocks the IP address. It uses signature-based, statistical anomaly-based, and stateful protocol analysis. You can read more about this here. But the main drawback I find is that it allows all the outgoing packets, i.e., if by chance, malware got into your system and started transmitting data, it would be allowed unless the user became aware of it, and decided to stop it. But in most cases, this does not happen.

Hardware Firewall is typically good for small or medium business owners, with 5 or more PC or a co-operate environment. The main reason is that it then becomes cost-effective because if you’re to purchase Internet Security/Firewall software licenses for 10 to 50 copies, and that too on an annual subscription basis, it will cost a lot of money and deployment could also be an issue. The users will have better control over the environment. If the user is not tech-savvy and if they choose to inadvertently allow a connection that has Malware behavior, it could ruin the entire network and put the company at risk with data security. A hardware firewall could thus be very useful in such cases.

There are always few things you have to consider before buying a Hardware-based firewall. The number of users in your network, the number of VPN users in your network, because underestimating the number could exhaust the performance of your device and affect the performance of the Internet connection as well. Also, make sure you have enough license for VPN client connection, and it has SSL, PPTP, etc. connection support too. Even if you have to pay a subscription, go for it – because a subscription means that you get the latest definitions.

Manufacturers are now including Gateway Antivirus, Malware scanners, and Content Filters, so you’ll get maximum protection with them. For example, CISCO Hardware includes  “Cisco ProtectLink Security Solutions” on selected devices. It addresses a specific security threat, and as part of overall security, the approach provides layers of protection against different threats.

There are a lot of companies you can choose from like CISCO, SonicWall, Netgear, ProSafe, D-Link, etc. Make sure you either have a certified network professional with you while setting up or good tech support because trust me you’ll need them when you configure the system.

Read: Different types of Firewalls: Their advantages and disadvantages

Software Firewall

Now that we know how Hardware Firewalls work, I’ll talk a bit about Software Firewalls.  To be honest, Software Firewalls do not need a whole lot of explanation because most of us are aware of it and are already using them. Like I said in the Hardware Firewall section if the user is not tech-savvy and if they choose to allow a connection that has Malware behavior, it could ruin the entire network and put the company at risk with data security. That’s where software firewall comes into the picture, as here can we block both incoming and outgoing connections and set up trusted rules so these accidents can be avoided.  Firewall vendors constantly research in this matter and see out updates as and when required, so the chances of your computer getting compromised are slim.

It’s a confusing job to pick a complete Internet Security solution that is just right for you. When you search in forums, you can see a flaming debate, where each member is defending their favorite ones. You’ll be lost in these debates ending up more confused than when you started. The rule is to set your priorities straight. Create a list of things you want. For example, do you want a free Firewall solution or paid one? What features you need in your Firewall, What additional features are required, like say Antispam, Web Protection, Malware scanner, Antivirus, etc. Do you want to go in for an Internet Security Suite? Once you decide, then compare the features. I for one use Windows Firewall. The only drawback I find it has is that, by default, it allows all the outgoing connections. So I used an additional application called Windows Firewall Control – which we can set up to block all the outgoing connections and also the setup rules for the ones we want, with a simple click. They have both a free version and a professional paid version, but the free version is more than enough. Windows Firewall Control and Windows Firewall Notifier are the other two freeware you could check out.

Like Marcus J. Ranum said, “Computer security is nothing but attention to detail and good design”. Hope this will help you decide which one you want.

Sophos XG Firewall Home Edition is a hardware-type firewall software you might want to take a look at.

Tomorrow we will list some good freeware third-party firewall software for Windows, so stay tuned! But while on this topic, we’d love to hear of any hardware firewalls you’d like to recommend.

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