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Today, the internet is awash with two major security concerns: SHA-1 and ‘Cloudbleed’.Cloudflare’s ‘Cloudbleed’Yesterday, Cloudflare and Google’s Project Zero announced details of a months-old, undetected security leak affecting websites and apps that use Cloudflare. Reminiscent of the ‘Heartbleed’ bug, this threat has been nicknamed ‘Cloudbleed.’The bug has been leaking approximately 1 out of every 3.3 million requests from Cloudflare. This memory can (and is likely to) include sensitive information from any site using Cloudflare. You can even see some of the affected data through web search, which is how this leak was accidentally discovered in the first place.This is a big thing. Close to 10% of all internet traffic is routed through Cloudflare, which optimises content loading speeds and mitigates attacks. Big names such as Uber, Medium, TransferWise, and StackOverflow all use Cloudflare services. The list of affected websites is long.You should change all passwords and enable two-factor authentication everywhere and immediately #Cloudbleed​SHA-1Image: shattered.ioA little while before the Cloudbleed announcement another security announcement came, this time about authentication.It seems SHA-1, one of the oldest ways of securely validating the authenticity of files, has been successfully broken for the first time in a real-world scenario.Even though SHA-1 has been known to be vulnerable to theoretical attacks since 2005 - and many security-conscious organizations have stopped using it over the last few years - this is the first time the vulnerability has appeared in the real-world.Despite efforts to phase out SHA-1 the security algorithm is still widely used to validate credit card transactions, electronic documents, open-source software, repositories, software updates, and backups.In a blog from Google, one of the two parties exposing this weakness, the search giant states: “Moving forward, it’s more urgent than ever for security practitioners to migrate to safer cryptographic hashes such as SHA-256 and SHA-3.”While it’s true this

Home Artikel Troubleshooting, Tips & Trik Cara Mengganti DNS Server ke Google DNS atau Cloudflare pada Windows dan Linux 1 min read Hai, Kawan Belajar CloudKilat!DNS Server bertanggung jawab menerjemahkan nama domain menjadi alamat IP agar kamu bisa mengakses website. Terkadang, DNS Server bawaan dari ISP bisa lambat atau mengalami gangguan. Salah satu solusinya adalah menggantinya dengan Google DNS (8.8.8.8, 8.8.4.4) atau Cloudflare DNS (1.1.1.1, 1.0.0.1) yang lebih cepat dan stabil. Di panduan ini, kamu akan belajar cara mengganti server DNS di Windows dan Linux dengan mudah!Kenapa Harus Menggunakan Google DNS atau Cloudflare? #Lebih Cepat – Google dan Cloudflare memiliki infrastruktur global yang responsif.Lebih Aman – Cloudflare menawarkan perlindungan tambahan terhadap serangan DNS spoofing.Privasi Lebih Terjaga – Cloudflare mengklaim tidak menyimpan log aktivitas browsing pengguna.Mengatasi Error DNS – Membantu jika website tidak bisa diakses karena masalah DNS bawaan ISP.Buka pengaturan jaringan dengan cara tekan tombol Win + R, ketik ncpa.cpl, lalu tekan Enter.Gambar 1. Tampilan untuk membuka Network Control PanelKlik kanan pada koneksi aktif (Wi-Fi atau Ethernet) → Properties.Gambar 2. Tombol Properties pada Network Control PanelUbah pengaturan DNS dengan klik Internet Protocol Version 4 (TCP/IPv4) → Properties.Gambar 3. Tombol Properties pada Wi-Fi PropertiesPilih Use the following DNS server addresses, lalu masukkan:Google DNS: Preferred: 8.8.8.8 Alternate: 8.8.4.4Cloudflare DNS: Preferred: 1.1.1.1 Alternate: 1.0.0.1Gambar 4. Tampilan TCP/IPv4 Properties untuk mengubah DNS ServerSimpan dengan cara klik OK, lalu Close dan hapus Cache DNS pada CMD dengan perintah ipconfig /flushdnsGambar 5. Pesan berhasil setelah menjalankan flush DNSCara Mengganti DNS di Linux #1. Mengubah DNS melalui Terminal (Ubuntu/Debian) #Edit file konfigurasi resolv.conf: sudo nano /etc/resolv.confTambahkan salah satu opsi berikut:Google DNS nameserver 8.8.8.8 nameserver 8.8.4.4Cloudflare DNS nameserver 1.1.1.1 nameserver 1.0.0.1Gambar 6. Penambahan DNS Server Google DNS pada file /etc/resolv.confSimpan dengan Ctrl + X → Y → Enter.2. Mengubah DNS melalui Network Manager (GUI) #Buka setting network, pilih

Earlier, 1.1.1.1 is such a recognizable and historically misappropriated address that it tends to be more prone to accidental hijacks or leaks than other IP resources.During the Cloudflare 1.1.1.1 incident that happened on June 27, 2024, we ended up fighting the impact caused by a combination of both BGP hijacking and a route leak. Incident timeline and impact All timestamps are in UTC.2024-06-27 18:51:00 AS267613 (Eletronet) begins announcing 1.1.1.1/32 to peers, providers, and customers. 1.1.1.1/32 is announced with the AS267613 origin AS2024-06-27 18:52:00 AS262504 (Nova) leaks 1.1.1.0/24, also received from AS267613, upstream to AS1031 (PEER 1 Global Internet Exchange) with AS path “1031 262504 267613 13335”2024-06-27 18:52:00 AS1031 (upstream of Nova) propagates 1.1.1.0/24 to various Internet Exchange peers and route-servers, widening impact of the leak2024-06-27 18:52:00 One tier 1 provider receives the 1.1.1.1/32 announcement from AS267613 as a RTBH (Remote Triggered Blackhole) route, causing blackholed traffic for all the tier 1’s customers2024-06-27 20:03:00 Cloudflare raises internal incident for 1.1.1.1 reachability issues from various countries2024-06-27 20:08:00 Cloudflare disables a partner peering location with AS267613 that is receiving traffic toward 1.1.1.0/242024-06-27 20:08:00 Cloudflare team engages peering partner AS267613 about the incident2024-06-27 20:10:00 AS262504 leaks 1.1.1.0/24 with a new AS path, “262504 53072 7738 13335” which is also redistributed by AS1031. Traffic is being delivered successfully to Cloudflare when along this path, but with high latency for affected clients2024-06-27 20:17:00 Cloudflare engages AS262504 regarding the route leak of 1.1.1.0/24 to their upstream providers2024-06-27 21:56:00 Cloudflare engineers disable a second peering point with AS267613 that is receiving traffic meant for 1.1.1.0/24 from multiple sources not in Brazil2024-06-27 22:16:00 AS262504 leaks 1.1.1.0/24 again, attracting some traffic to a Cloudflare peering with AS267613 in São Paulo. Some 1.1.1.1 requests as a result are returned with higher latency, but the hijack of 1.1.1.1/32 and traffic blackholing appears resolved2024-06-28 02:28:00 AS262504 fully resolves the route leak of 1.1.1.0/24The impact to customers surfaced in one of two ways: unable to reach 1.1.1.1 at all; Able to reach 1.1.1.1, but with high latency per request.Since AS267613 was hijacking the 1.1.1.1/32 address somewhere within their network, many requests failed at some

I bought a 6-digit .xyz domain from namecheap registrar – A 6-digit .xyz domain for $0.84/yearYou can choose any domain you like, and it doesn’t have to be digits only. If you’re willing to pay for other domain extensions like .com or .org, that works as well.Once I had the domain, I opened my namecheap.com domain settings and changed the DNS to the ones I have in my CloudFlare account.You’ll need a CloudFlare account for this method, but that shouldn’t be an issue, as it is free. These are the CloudFlare DNS-es that I used:DNS1: ines.ns.cloudflare.comDNS2: noah.ns.cloudflare.comIn my CloudFlare account, I added the new site using the domain I purchased from namecheap. I selected the free plan, which works fine. After a brief wait (less than 1 hour) for the domain to start using the new CloudFlare DNS, my setup was complete.Confirmation mail that I received when the DNSes of my .xyz were updated with the CloudFlare onesIf you don’t have Home Assistant add-on storeIf you don’t have add-on store in Home Assistant, that means you are not running Home Assistant OS or Supervised installation. To learn more about the different Home Assistant installation types and their pros & cons + 1 super simple way to get started on a PC, then register for my upcoming webinar.Reserve your seat here – Assistant CloudFlared Add-on installationNext, I installed the CloudFlared add-on available in the Home Assistant add-on store. To do this:I opened the Home Assistant add-on store (press “c” button and start typing “add-on store“)added the CloudFlared repository from the Three dots menu (upper right) > Repositories (Greetings to Tobias), GitHub Repo – use this My Home Assistant link to do the sameinstalled the add-onand configured it with my .xyz domain from the Configuration tab of the CloudFlared add-on.I also added

Internet users."We're excited that Cloudflare is bringing their infrastructure expertise to the Ethereum ecosystem. Infura has always believed in the importance of standardized, open APIs and compatibility between gateway providers, so we look forward to collaborating with their team to build a better distributed web." - E.G. Galano, Infura co-founder.By providing a gateway to the Ethereum network, we help users make the jump from general web-user to cryptocurrency native, and eventually make the distributed web a fundamental part of the Internet. What can you do with Cloudflare's Gateway? Visit cloudflare-eth.com to interact with our example app. But to really explore the Ethereum world, access the RPC API, where you can do anything that can be done on the Ethereum network itself, from examining contracts, to transferring funds.Our Gateway accepts POST requests containing JSON. For a complete list of calls, visit the Ethereum github page. So, to get the block number of the most recent block, you could run: curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' and you would get a response something like this: { "jsonrpc": "2.0", "id": 1, "result": "0x780f17"} We also invite developers to build dApps based on our Ethereum gateway using our API. Our API allows developers to build websites powered by the Ethereum blockchain. Check out developer docs to get started. If you want to read more about how Ethereum works check out this deep dive. The architecture Cloudflare is uniquely positioned to host an Ethereum gateway, and we have the utmost faith in the products we offer to customers. This is why the Cloudflare Ethereum gateway runs as a Cloudflare customer and we dogfood our own products to provide a fast and reliable gateway. The domain we run the gateway on ( uses Cloudflare Workers to cache responses for popular queries made to the gateway. Responses