Gizmo and QoS - 27 July 2006

Posted by JohnP 06/24/2007 at 15:27

New Gizmo and router forwarding settings!

Ok, I logged into the Gizmo to make these settings: according to it (the gizmo) the following ports are reserved: 68, 16384-16403, 5060. Better than what Linksys support is suggesting. I’ll forward these from my router. VoIP quality should be perfect once this is done.

The Gizmo also has configuration settings for bandwidth management – but they aren’t clear whether they have anything to do with VoIP quality or if they help when the LAN traffic doesn’t flow thru the Gizmo.

Podcasts? July 2006

Posted by JohnP 06/24/2007 at 15:26

I’ve been listening and subscribing to Podcasts recently. My favorites are:

  • The Value Guys – Value Line Observer
  • Security Now! – a technology podcast related to computer and network security
  • PerlCast – the best hacker language
  • a number of books on tape from my local library system

I’m currently listening to Red Mars and plan to listen to Green Mars and Blue Mars immediately following. Hugo Winners are almost always a good read. Heinlein is my favorite author and has won the greatest number of Hugo awards.

Don't use JavaScript - 17 August 2006

Posted by JohnP 05/24/2007 at 15:25

Today I learned about a completely legal javascript hack that scans your internal network. It isn’t a hack and doesn’t take advantage of any javascript errors. This is scary. I tried this with firefox and IE and neither worked correctly. IE always reported open with a web server. Firefox always reported closed or no server on the IP, but I run with fairly secure settings, so perhaps that is why? Who knows, but it isn’t worth it, IMO.

Basically, it isn’t safe to surf without javascript disabled. This breaks most of the web sites, but a good webmaster will allow "some" level of browsing without javascript enabled. Clearly I suck as a webmaster – on my top level page at least.

Ok, to that end, this site will be redone using CSS-only as soon as I can make it happen cleanly. Removing javascript is no small task since this is a wiki too.