https://blog.cui.to/en/post/tag/networking/ Samuel N Cui’s personal blog: technology, projects and life. en-US https://blog.cui.to/en/post/ip-rule-fwmark-not-working/ https://blog.cui.to/en/post/ip-rule-fwmark-not-working/ Mon, 30 May 2022 14:48:22 +0800 Documents a policy-routing setup that failed to respond to iptables marks, including the fwmark_reflect and rp_filter changes that made it work and the accompanying configuration example. https://blog.cui.to/en/post/tl-sh5210pb-%E7%9A%84%E4%B8%80%E4%BA%9B%E9%9A%90%E8%97%8F%E5%8F%82%E6%95%B0/ https://blog.cui.to/en/post/tl-sh5210pb-%E7%9A%84%E4%B8%80%E4%BA%9B%E9%9A%90%E8%97%8F%E5%8F%82%E6%95%B0/ Fri, 03 Sep 2021 19:23:30 +0800 Records the TL-SH5210PB’s packet-forwarding and backplane-bandwidth specifications, obtained from TP-Link’s online support because those details were missing from the official website. https://blog.cui.to/en/post/nginx-port_in_redirect-%E9%80%89%E9%A1%B9%E7%9A%84%E7%94%A8%E5%A4%84/ https://blog.cui.to/en/post/nginx-port_in_redirect-%E9%80%89%E9%A1%B9%E7%9A%84%E7%94%A8%E5%A4%84/ Thu, 30 Nov 2017 11:55:59 +0800 A brief nginx configuration note on removing unwanted port numbers from trailing-slash redirects when a request passes through two proxy layers. https://blog.cui.to/en/post/ss-%E5%BC%95%E5%AF%BC%E5%BC%8F%E8%87%AA%E5%8A%A8%E5%AE%89%E8%A3%85%E8%84%9A%E6%9C%AC/ https://blog.cui.to/en/post/ss-%E5%BC%95%E5%AF%BC%E5%BC%8F%E8%87%AA%E5%8A%A8%E5%AE%89%E8%A3%85%E8%84%9A%E6%9C%AC/ Wed, 01 Feb 2017 23:02:36 +0800 Introduces a guided Shadowsocks setup script for Ubuntu Server VPS hosts, combining installation with BBR, TCP tuning, daemon supervision and routine maintenance instead of leaving those steps to separate manual configuration. https://blog.cui.to/en/post/samdialsrun/ https://blog.cui.to/en/post/samdialsrun/ Sun, 06 Sep 2015 14:31:43 +0800 Introduces a small Python alternative to the dorm network’s Srun client, created in response to restrictions on Wi-Fi sharing and DNS settings and distributed as a Windows executable. https://blog.cui.to/en/post/how-goagent-automatic-minimize/ https://blog.cui.to/en/post/how-goagent-automatic-minimize/ Sat, 09 Nov 2013 19:29:28 +0800 Configuration notes for making Goagent start minimized and launch with Windows, including the administrator privileges needed for its initial SSL certificate installation. https://blog.cui.to/en/post/%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3rc-local%E4%B8%AD%E4%BB%BB%E5%8A%A1%E5%9C%A8%E5%BC%80%E6%9C%BA%E4%B8%80%E6%AE%B5%E6%97%B6%E9%97%B4%E5%90%8E%E5%81%9C%E6%AD%A2%E7%9A%84%E9%97%AE%E9%A2%98/ https://blog.cui.to/en/post/%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3rc-local%E4%B8%AD%E4%BB%BB%E5%8A%A1%E5%9C%A8%E5%BC%80%E6%9C%BA%E4%B8%80%E6%AE%B5%E6%97%B6%E9%97%B4%E5%90%8E%E5%81%9C%E6%AD%A2%E7%9A%84%E9%97%AE%E9%A2%98/ Sat, 31 Aug 2013 21:23:10 +0800 Using a DNSPod DDNS script as the example, this troubleshooting note traces an rc.local task’s unexpected exit to the shell’s -e option and records the workaround used.