Category: Web & Network

Change directives of Nginx

My new server uses Nginx as a web server. When I check the error log of it, I saw a lot of warnings. 2016/08/27 07:30:03 [warn] 11951#11951: *590544 an upstream response is buffered to a temporary file /var/cache/nginx/fastcgi_temp/3/28/0000008283 while reading upstream, client: 107.174.247.88, server: www.phpbbchinese.com, request: “GET /download/file.php?id=109 HTTP/1.1”, [...]
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Move to Linode Server

When you saw this post, it means the blog is moved to a new server at Linode. New server is a little bit better than the old one at DigitalOcean. Here is how old server looks like: Operating system     Ubuntu Linux 14.04.4 Kernel and CPU     Linux 3.13.0-88-generic [...]
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5 Free SSL Tools You Must Try in 2016

It is 2016, your website must be SSL encrypted. Now, you have questions, how about my server and how about my SSL installation? This is the answer to this question. You must try these five free tools to test, check, analyse your https website. No.1 SSLShopper It is an [...]
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Add my Blog to HSTS preload list

Now my Blog, David Yin Blog is https encrypted . And it is also HSTS enabled. And latest, it is HSTS preload enabled. It has three layers meaning. https support. HSTS enabled. HSTS preload enabled. Let me explain them one by one. First, add https support. I did this [...]
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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 [...]
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City of Burnaby Web Site SSL issue was fixed

When I wrote my last post about the SSL issue of Burnaby City Website, I made a tweet and @cityofburnaby. They replied me on second day. The official account of CityofBurnaby said the information has been forwarded to their IT team for review. I thought my job is done. [...]
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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 [...]
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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 [...]
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