Robert LaThanh
Just sharing my findings, mostly. There's a little bit more about me on my About Me page.-
Recent Posts
Top Posts & Pages
- Beware of DVI-I Cables (they are Not Compatible with DVI-D Devices)
- HTTP Status Codes 401 Unauthorized and 403 Forbidden for Authentication and Authorization (and OAuth)
- AT&T U-verse for the Curious Consumer - The Residential Gateway and Wiring Options
- AT&T U-verse -- A Network Geek's Perspective
- Use ‘%%’ to indicate a percentage change of a percentage?
Category Archives: Networking
HTTP Status Codes 401 Unauthorized and 403 Forbidden for Authentication and Authorization (and OAuth)
When a client requests a resource from an HTTP server and it’s not allowed to access that resource, the client needs to know enough about why in order to present the right message or options to the user. Basically, we … Continue reading
Posted in Networking, Software Development, Web Technology
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OpenVPN over DSL with PPPoE
I work remotely and use OpenVPN to access development services such as SVN and our file server, both of which are at our colocation facility. While at a new location, I first encountered a problem trying to do any SVN … Continue reading
Posted in Networking
2 Comments
Two Subnetworks on One LAN, and Linux arp_filter
It’s a rare situation in a small networking environment that having two subnetworks on one broadcast domain can be an issue. I would normally avoid such a scenario (and it’s usually easy to do so) but I recently got AT&T’s … Continue reading
Posted in Networking
5 Comments
AT&T U-verse — A Network Geek’s Perspective
I just got AT&T U-verse, which delivers Internet, TV (IPTV), and phone (VOIP) service to the home; all this over one pair of copper from the VRAD. My upgrades to the service include HD TV, DVR, and a static IP … Continue reading
Posted in Networking
1 Comment