Category: Web & Network

SSL added

To provide higher security and better privacy protection, I added SSL certificate on my Blog, here. When you enter the url of my blog: http:///www.yinfor.com/, it will redirect you to the SSL version, https://www.yinfor.com/ The certificate is purchased from gogetssl.com , three years certificate of Comodo PositiveSSL. The latest price is $13.15/3years. Look at the

Web site of Burnaby City has SSL error

It is an error. When I enter the url of Burnaby City hall at Chrome browser on my cellphone, it displayed with error. Red crossing line on the https. It said Your connection is not private. Attackers might be trying to steal your information from www.burnaby.ca. NET::ERR_CERT_AUTHORITY_INVALID It is OK when I browse the site

HTTP/2 vs SPDY 3.1

I have a web site, which was powered by Nginx 1.7. The SPDY 3.1 was enabled. Later last week, I upgraded it to Nginx 1.9.7 mainline version. HTTP/2 already built with Nginx from version 1.9.5.  Why not enable HTTP/2? I just did a very rough test.   1. Pingdom testing tool SPDY 3.1: Performance Grade

Wifi Standard 802.11ac

802.11ac is main stream as well as 802.11n. Because 802.11n has better distance and more power to pass-through wall. But 802.11ac is much fast than 802.11n. 802.11ac Technology Overview: 11n Specification: 2.4 and 5Ghz  Supported Wider channels 40MHz Better modulation 64QAM Additional streams up to 4 streams Beam forming Backwards compatibility, with 11a/b/g 11ac introduces: