https://blog.imcaoxuan.cn/en/tags/ipv6/Recent content in IPv6 on CX's BlogHugoen-USimcaoxuan.cnFri, 23 Oct 2026 00:00:00 +0000https://blog.imcaoxuan.cn/en/posts/2026-10-23-ipv6-https-timeouts-after-enabling-sing-box-auto-redirect-on-armbian-troubleshooting-a-missing-loopback-address/Fri, 23 Oct 2026 00:00:00 +0000https://blog.imcaoxuan.cn/en/posts/2026-10-23-ipv6-https-timeouts-after-enabling-sing-box-auto-redirect-on-armbian-troubleshooting-a-missing-loopback-address/IPv6 ping works, but HTTPS times out in sing-box auto_redirect mode. The issue is diagnosed using nftables, tcpdump, and a check of the IPv6 loopback address.