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Collin M. Barrett

Collin M. Barrett is a staff software engineer in Memphis, TN.

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Home ❭ Performance

Performance

A collection of my blog posts tagged as being related to performance including software performance, web performance, device performance, etc.

DD-WRT: Connecting to the Optimal ProtonVPN Server with OpenVPN

DD-WRT: Connecting to the Optimal ProtonVPN Server with OpenVPN

Published: 6.6.20

I wrote a shell script triggered by cron on my DD-WRT router to automatically connect to the optimal ProtonVPN server via the OpenVPN Client [Read More]

Optimizing ProtonVPN Server Selection by DD-WRT with DNS

Optimizing ProtonVPN Server Selection by DD-WRT with DNS

Published: 2.27.20

I created a custom URL to connect to ProtonVPN from DD-WRT that selects from a pool of premium servers in the nearest city. [Read More]

HttpContext.Cache Multi-tenant Leak

HttpContext.Cache Multi-tenant Leak

Published: 1.6.18

Our team misunderstood the scope of ASP.NET’s HttpContext.Cache. This mishap led to some cross-instance data leakage in our hosting environment. Keys must always have enough unique information to identify their respective cache value. [Read More]

Hardening Firefox. Replacing Chrome.

Hardening Firefox. Replacing Chrome.

Published: 8.7.17

Using Firefox instead of Chrome on the desktop, and how I am hardening Firefox to increase security and privacy. [Read More]

Activating HTTP/2 Server Push with WordPress

Activating HTTP/2 Server Push with WordPress

Published: 6.15.17

A quick and dirty test of HTTP/2 Server Push on WordPress. [Read More]

Blocking Web Fonts for Speed and Privacy

Blocking Web Fonts for Speed and Privacy

Published: 4.11.16

How to configure your browser to block web fonts to speed up your web browsing and protect your privacy. [Read More]

FilterLists, Gorhill, Jekyll, WordPress Plugin, and PHP

FilterLists, Gorhill, Jekyll, WordPress Plugin, and PHP

Published: 2.29.16

FilterLists got a bit of publicity and I began working on a new feature, learning Jekyll, PHP, and WordPress plugin development along the way. [Read More]

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