Waxaa maalinba maalinta ka danbaysa sii badanaysa in dugsiyada ama goobaha waxbarashada, goobaha shaqada iyo dawladaha ay xannibaan mareegaha internetka.

Mid ka mid ah tusaalooyinka ugu caansan ee xayiraadaha noocan oo kale ah waa Firewall-ka weyn ee Shiinaha^{(Great Firewall of China)} , kaas oo xoojiya faafreebka internetka ee dalka si loo yareeyo taraafikada internetka ee xuduudaha, oo xannibaya gelitaanka shabakadaha ajnabiga ah qaarkood.

Haddii aad la kullantay mareegaha xanniban ee dugsigaaga ama goobta shaqada, maamulku waxay u badan tahay inaanu doonaynin inaad ku isticmaashid boggagaas adoo isticmaalaya akoonkooda ISP - inta badan si ay kaaga ilaaliyaan inaad gasho godka bakaylaha.

Waxay tan ku sameeyaan iyagoo isticmaalaya firewalls kuwaas oo sifeeya waxa ku jira shabakadda, si ardayda ama shaqaaluhu aanay u geli karin mid ka mid ah boggaga internetka ee liiska madow ku jira.

Mahadsanid, waxa jira dhawr hab-raacyo oo aad isticmaali karto si aad ugu ag wareegto dugsi ama dab-damis goobta shaqada oo aad u aragto goobaha aad rabto.

Sida Looga Wareego Dab^(Firewall) - damiska Dugsigaaga^{(Your School)} ama Goobtaada Shaqada^(Workplace)

• Adeegso wakiil
• Isticmaal VPN
• U isticmaal taleefankaaga casriga ah sidii meel mobaylka laga helo
• Isticmaal Tunnel SSH ah
• Isticmaal Tor

Waa maxay Firewall sideese^(Firewall) u shaqeeyaa^(How) ?

Dab-damisku waa nidaamka ammaanka shabakadeed hardware ama software kaas oo kormeera taraafikada soo galaya iyo kuwa baxaya oo xannibaya ama u oggolaanaya taraafig gaar ah oo ku salaysan xeerar ammaan oo horumarsan.

Tan ugu muhiimsan, dab-damiska ayaa loo isticmaalaa in lagu ansixiyo gelitaanka, maaraynta iyo xakamaynta taraafikada shabakadda, difaaca khayraadka, iyo diiwaan gelinta ama ka warbixinta dhacdooyinka iyo codsiyada kale.

Si kasta oo ay u ilaaliyaan dhammaan kombuyuutarada shabakad gaar ah, waxay sidoo kale ka cadhaysiiyaan, gaar ahaan ardayda ama shaqaalaha aan heli karin meelaha ay jecel yihiin warbaahinta bulshada, adeegyada qulqulka, iyo mareegaha kale.

Sida Firewall-ku u xannibo mareegaha internetka

Tani waa tillaabada ugu horreysa ee fahamka sababta aadan u geli karin shabakadaha aad jeceshahay, iyo sida talooyinka aan ku wadaagi doono dambe ee qoraalkan ay kaa caawin karaan inaad ka gudubto dabka si aad u aragto boggaga aad rabto.

Mar kasta oo kombiyuutarku rabo inuu galo bog gaar ah, wuxuu abuuraa codsi HTTP ah, kaas oo ku lifaaqan xirmo TCP ah. Marka xigta, magaca degelka waxaa loo aqoonsaday inuu yahay ciwaanka IP-ga^{(IP address)} , baakidhka TCP -na wuxuu u guuraa lakabka IP-ga ee habka marin-u-socodka.

Iyada oo ku xidhan ciwaanka IP-ga iyo miisaska dariiqa, lakabka ayaa go'aaminaya server-ka mareegta codsiga loo diri doono.

Halkan waa halka uu dab-demisku xannibo degelka haddii uu ku jiro shabakadda, sababtoo ah firewall-ku wuxuu ku shaqeeyaa lakabka IP, wuxuuna la socdaa baakidh kasta oo xog ah isagoo isticmaalaya "wall of code" si uu uga xannibo qalabkaaga shabakadda.

Firewalls ayaa ilaaliya meesha laga soo galo kombiyuutarka halkaasoo macluumaadka la isku weydaarsado aaladdaada iyo intarneedka, si ay ula socdaan labada dhinac ee xiriirka, oo ay go'aan ka gaaraan waxa socda iyo waxa xannibaya.

Dab-damisyada noocan oo kale ah waxaa loo yaqaannaa baakadaha-filtering firewalls, waana nooca ugu badan ee la isticmaalo, laakiin waxaa jira kuwa kale sida jiilka soo socda, wakiil, stateful multilayer inspection ( SMLI ), iyo Network Address Translation ( NAT ) firewalls.

Sida Loo dhaafo Dab-damiska Dugsiga^(School) ama Goobta Shaqada^(Workplace)

Isticmaal wakiil

Adeegaha wakiilku^{(proxy server)} wuxuu la wareegi karaa dugsigaaga ama dabka goobta shaqada iyo xannibaadaha URL-yada^(URL) kale isagoo la tacaalaya dhammaan surfaynta adiga. Tani waxay ku samaynaysaa adigoo aadaya website-ka adiga oo ku hadlaya, ka dibna soo bandhigaya wax walba oo ka socda website-ka, halka firewall-ku kaliya arko URL^(URL) wakiilka .

Proxies badanaa waa bilaash in la isticmaalo, laakiin waxay leeyihiin cillado waaweyn. Waa kuwo aan la isku halayn karin, aan la hubin, waxaana laga yaabaa inay daadadaan cinwaankaaga IP-ga, markaa waxaa laga yaabaa inaadan awoodin inaad gasho mareegtaas ka dib oo dhan.

Sidoo kale, dugsigaaga ama goobta shaqada ayaa sidoo kale laga yaabaa inay isticmaalayaan wakiil si ay u xannibaan mareegaha maadaama dhammaan codsiyada ay tahay inay marka hore maraan.

Mararka qaarkood goobta wakiillada lafteeda ayaa laga yaabaa in lagu daro liiska madow, taas oo ah cillad kale oo habkan ah. Haddii aanad haysan mid aanu maamulku garanayn, waxa ay u badan tahay in ay adiga kuu shaqeyso.

Isticmaal VPN

Shabakadda gaarka loo leeyahay^{(virtual private network)} waa mid ka mid ah siyaabaha ugu wanaagsan ee lagu sirin karo taraafikadaada oo aad internetka uga geli karto xiriir sugan.

Waxaad heli kartaa VPN bilaash ah oo wanaagsan si aad u isticmaasho ama u isticmaasho adeegga VPN ee qaaliga ah. Si kastaba ha noqotee, waxay ku ilaalin doonaan iyagoo ka ilaalinaya firewall-ka inuu arko hawshaada browsing.

VPN - ku waxa uu ka qaataa macluumaadka baxaya qalabkaaga, oo sir siriya si aanay dadka wax is-daba-marintu u arkin waxa aad dirayso, ka dibna waxa ay u soo diraan xogta server-ka VPN . Seerfarku waxa uu furfuraa xogta si uu u akhriyo goobta aad doonayso in aad booqato, oo halkaas ku geeyo.

Sidan, waxaad si ammaan ah oo qarsoodi ah u baadh kartaa sababtoo ah dhammaan taraafikada intarneetka waa la sirsan yahay^{(internet traffic is encrypted)} - soo galaya ama baxaya - markaa dugsigaaga ama goobta shaqada ee dabka, ama ISP ma ogaan doonto waxaad ku samaynayso isku xirka shabakada.

Si kastaba ha noqotee, inta badan maamulayaasha IT-ga dugsiga ama goobta shaqada waxay si gaar ah u leeyihiin tignoolajiyada VPN , sidaa darteed waxay inta badan xannibaan dekedaha inta badan la isticmaalo ee^{(commonly used ports)} VPN - yadu^(VPNs) isticmaalaan, taasoo ka dhigaysa kuwo aan waxtar lahayn.

Akhbaarta wanaagsan ayaa ah inay jiraan VPN^(VPNs) -yo leh tignoolajiyada qarsoodiga ah iyo nidaamyo adag oo ku filan oo ka gudbi kara xannibaadaha dabka, iyagoo isticmaalaya dekedo iyo borotokool la mid ah goobaha guud.

Qalab kasta oo aad isticmaalayso, waxaad heli kartaa VPN xoog leh , soo dejiso oo rakib macmiilka, oo aad bilawdo daalacashada. Inta badan adeeg bixiyayaasha VPN ee ugu wanaagsan waxay leeyihiin ^(VPN)apps Android iyo iOS^{(apps for Android and iOS)} , oo ay ku jiraan aaladaha iyo aaladaha kale ee waaweyn.

Isticmaal talefankaaga casriga ah sidii meel kulkulul moobil ah^{(Mobile Hotspot)}

Haddii isticmaalka wakiil ama VPN uu kuugu dhawaqayo aad u badan, oo aad rabto qaab aad u muuqda oo aad ku gasho boggaga aad jeceshahay adiga oo aan "ka arkin" dugsiga ama shabakada goobta shaqada, u rog taleefankaaga casriga ah meel hotspot ah^{(turn your smartphone into a mobile hotspot)} .

Sidan, waxaad booqan kartaa boggaga aad jeceshahay wakhti kasta. Waxay isticmaashaa xogta taleefankaaga, laakiin waxaad xor ka tahay dhibka inaad ka gudubto firewalls iyo xannibaadaha kale ee internetka. Waxa kale oo ay meesha ka saartaa khataraha ku lug leh haddii qof uu ogaado waxaad ka qabanayso dugsiga ama shabakadda shaqada.

Hubi in sidahaaga moobiilku ogolanayo xidhidhiyaha, ka dibna u beddel khadka interneedka taleefankaaga oo ku raaxayso macluumaadkaaga. Iska jir in kastoo, maadaama ay jiraan khataro badan oo ku xidhidhisku^{(several dangers to tethering)} , kuwaas oo aad u baahan tahay inaad hubiso ka hor inta aanad u isticmaalin talefankaaga meel kulkulul ah.

Isticmaal tunnel SSH

Daloolinta SSH^{(Tunneling over SSH)} waxay u shaqeysaa ku dhawaad ​​si la mid ah VPN -ka si loo dhaqaajiyo taraafikadaada si sugan. Haddii aad leedahay server-ka SSH oo aad ka heli karto meel fog, samee tunnel si aad u jiheyso taraafikada adoo adeegsanaya xiriirka sugan, oo aad ka gudubto xannibaadaha dab-damiska ee dugsigaaga ama shabakadda goobta shaqada.

Wali waxay ku siinaysaa isla waayo-aragnimada surfaynta laakiin xoogaa gaabis ah maadaama aanad fadhiyin goobta serfarka SSH .

Isticmaalka Tor

Tor waa biraawsar shabakad caan ah oo kuu ogolaanaya inaad si qarsoodi ah^{(browse anonymously)} wax u baadho . Waxay marinaysaa daalacashadaada shabakad sir ah ka hor inta aadan gaarin barta ugu dambeysa ee ay u badan tahay inaan la faafreebeynin ama aan la sifeynin.

Haddii aad isku dayayso inaad gasho xogta qarsoodiga ah ama xasaasiga ah, tani maaha habka ugu fiican ee looga gudbi karo dabka marka la barbar dhigo isticmaalka VPN^{(compared to using a VPN)} , inkasta oo ay kuu ogolaanayso inaad dhaafto dugsigaaga ama dabka goobta shaqada.

Si kastaba ha ahaatee, waxay u egtahay inay ka shaqeyso xitaa meelaha wakiillada, VPN-yada caadiga ah ama^(VPNs) tunnel -yada SSH aysan sameynin, laakiin aad ayey uga gaabineysaa daalacashadaada shabakadda ee caadiga ah.

Ma tahay inaad dhaafto dugsigaaga ama gidaarka goobta shaqada^{(School Or Workplace Firewall)} ?

Waxaa jira khataro dhowr ah oo lagu jabinayo xeerarka sida ay ahaan jireen, marka laga reebo in lagu qabto falka iyo suurtagalnimada in shaqada laga joojiyo ama laga saaro/kariyo. Dhibaatooyinka kale waxaa ka mid ah in la xado macluumaadkaaga shakhsiyeed, qabashada fayrasyada xun ee ku faafi kara qalabka kale ee dugsiga ama xafiiska, ama xitaa ka sii daran, oo wajahaya tallaabo sharci ah oo ku saabsan ficilladaada.

Dab-damisku waxa loo rakibay si ay kuugu badbaadiyaan khadka, maaha inay kaa cadhaysiiyaan. Dugsiga, waxaa loogu talagalay inay gacan ka geystaan ​​horumarinta waxbarashada, iyo shaqada, si kor loogu qaado wax soo saarka. Kahor intaadan ku wareegin hareeraha dab-damiska, hubi inay mudan tahay khatarta, adoo tixgelinaya waxa khatarta ku jira.

How To Get Around Your School Or Workplace Firewall

Іt’s beсoming increasingly common todaу for schools or educational іnstitutions, wоrkplaces, and governments to blоck websites.

One of the most popular examples of such restrictions is the Great Firewall of China, which enforces internet censorship in the country to slow down cross-border internet traffic, and block access to certain foreign websites.

If you’ve come across blocked websites at your school or workplace, the management probably doesn’t want you using such sites through their ISP account – mostly to keep you from getting into the rabbit hole.

They do this using firewalls that filter web content, so students or employees can’t access any of the blacklisted websites.

Thankfully, there are a few workarounds you can use to get around a school or workplace firewall and view the sites you want.

How to Get Around a Firewall at Your School or Workplace

• Use a proxy
• Use a VPN
• Use your smartphone as a mobile hotspot
• Use a SSH Tunnel
• Use Tor

What Is a Firewall and How Does It Work?

A firewall is a hardware or software network security system that monitors incoming and outgoing traffic and blocks or allows specific traffic based on certain advanced security rules.

Most importantly, firewalls are used to validate access, manage and control network traffic, defend resources, and record or report on events among other applications.

As much as they safeguard all the computers in a particular network, they’re also annoying, especially for students or employees who can’t access their favorite social media platforms, streaming services, and other websites.

How A Firewall Blocks Websites

This is the first step in understanding why you can’t access your favorite websites, and how the tips we’ll share later in this post can help you bypass the firewall to view the sites you want.

Whenever a computer wants to access a particular web page, it creates an HTTP request, which is enclosed in a TCP packet. Next, the website’s name is identified as an IP address, and the TCP packet moves to an IP layer for the routing process.

Depending on the IP address and routing tables, the layer determines which website server the request will be sent to.

Here’s where the firewall blocks the website if it exists on the network, because the firewall operates at the IP layer, and monitors each data packet using a “wall of code” to block your device from the web.

Firewalls guard the computer’s entry point where information is exchanged between your device and the internet, so it monitors either side of the connection, and decides what goes through and what gets blocked.

Such firewalls are called packet-filtering firewalls, and are the most commonly used type, but there are others such as next-generation, proxy, stateful multilayer inspection (SMLI), and Network Address Translation (NAT) firewalls.

How to Bypass a Firewall at School or At the Workplace

Use a Proxy

A proxy server can get around your school or workplace firewall and other URL restrictions by handling all the surfing for you. It does this by going to the website on your behalf, and then displays everything from the website, while the firewall only sees the proxy’s URL.

Proxies are usually free to use, but they have major drawbacks. They’re unreliable, unsecure, and may leak your IP address, so you may not be able to access that website after all.

Similarly, your school or workplace may also be using a proxy to block the websites as all requests have to go through it first.

Sometimes the proxy site itself may be blacklisted, which is another downside with this approach. Unless you have one that’s not known to the management, it should probably work for you.

Use a VPN

A virtual private network is one of the best ways to encrypt your traffic and access the internet via a secure connection.

You can get a good free VPN to use or use a premium VPN service. Either way, they’ll protect you by keeping the firewall from seeing your browsing activity.

A VPN takes the outgoing information from your device, encrypts it so that online snoopers can’t see what you’re sending out, and then sends the data to a VPN server. The server decrypts the data to read which site you want to visit, and takes you there.

This way, you can browse securely and privately because all the internet traffic is encrypted – incoming or outgoing – so your school or workplace’s firewall, or ISP will never know what you’re doing on the network connection.

However, most school or workplace IT administrators are privy to VPN technology, so they usually block the most commonly used ports that VPNs use, rendering them ineffective.

The good news is there are VPNs with stealth technology and strong enough systems that can bypass the firewall blocks, using the same ports and protocol as mainstream sites.

No matter what device you’re using, you can get a strong VPN, download and install the client, and start browsing. Most of the best VPN service providers have apps for Android and iOS, among other major platforms and devices.

Use Your Smartphone as a Mobile Hotspot

If using a proxy or VPN sounds too much for you, and you want a more conspicuous way of accessing your favorite sites without getting “seen” on the school or workplace network, turn your smartphone into a mobile hotspot.

This way, you can visit your favorite sites any time. It consumes your phone’s data, but you’re free from the hassles of having to bypass firewalls and other internet blocks. It also removes the dangers involved if someone finds out what you’re doing on the school or work network.

Check that your mobile carrier allows tethering, and then switch to your phone’s internet connection and enjoy your content. Be careful though, as there are several dangers to tethering, which you need to check before you can use your phone as a hotspot.

Use SSH tunnel

Tunneling over SSH works almost the same way as a VPN to move your traffic securely. If you have an SSH server that you can access remotely, set up tunneling to redirect traffic via the secure connection, and bypass the firewall blocks on your school or workplace network.

It still gives you the same surfing experience but a bit slower as you’re not sitting at the SSH server’s location.

Using Tor

Tor is a popular web browser that lets you browse anonymously. It routes your web browsing via an encrypted network before getting to an endpoint that’s likely uncensored or unfiltered.

If you’re trying to access unencrypted or sensitive data, this isn’t the best method to bypass firewalls compared to using a VPN, even though it allows you to bypass your school or workplace firewall.

However, it tends to work even where proxies, standard VPNs or SSH tunnels don’t, but it’s much slower than your usual web browsing.

Should You Bypass Your School Or Workplace Firewall?

There are several dangers to breaking the rules as it were, besides getting caught in the act and possibly getting suspended or expelled/fired. Other repercussions include getting your personal information stolen, catching nasty viruses that can spread to other devices in the school or office, or even worse, facing legal action for your deeds.

Firewalls are installed to keep you safe online, not to annoy you. At school, they’re meant to help promote learning, and at work, to enhance productivity. Before you get around the firewall blocks, check if it’s worth the risk, considering what’s at stake.

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