https://thinhdvt.freehost.vn/blog/tags/linux/ Recent content in Linux on Thinh DVT Hugo -- gohugo.io en-us Sun, 28 Jun 2026 17:44:37 +0700 https://thinhdvt.freehost.vn/blog/2026/06/how-to-access-steamcommunity-when-isp-dns-is-blocking-you/ Sun, 28 Jun 2026 17:44:37 +0700 https://thinhdvt.freehost.vn/blog/2026/06/how-to-access-steamcommunity-when-isp-dns-is-blocking-you/ Lý do tại sao không vào được? Mọi nơi trên internet bạn có thể vào được, steam bạn cũng vào được, duy chỉ có steamcommunity là bạn bị lỗi. Khi bạn ping steamcommunity.com, nó trả về. Pinging steamcommunity.com [::1] with 32 bytes of data: Reply from ::1: time<1ms Reply from ::1: time<1ms Reply from ::1: time<1ms Reply from ::1: time<1ms Đây là vì hầu hết các nhà mạng ở Việt Nam đã chặn không cho bạn truy cập. https://thinhdvt.freehost.vn/blog/2026/06/run-openvpn-2-4-alongside-openvpn-2-7-linux/ Wed, 24 Jun 2026 21:21:53 +0700 https://thinhdvt.freehost.vn/blog/2026/06/run-openvpn-2-4-alongside-openvpn-2-7-linux/ The problem Recently, I needed to connect to my company’s VPN server. Unfortunately, the VPN infrastructure is quite old and only works reliably with OpenVPN 2.4.9. The server still uses legacy settings such as the BF-CBC cipher, which are deprecated in modern OpenVPN releases. My system already uses OpenVPN 2.7, and simply downgrading the package isn’t an option. Older versions depend on OpenSSL 1.1, while the rest of my system has already migrated to OpenSSL 3.