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Sites won't load?

F

FordLorider

Golden Member
Hey guys,

I just moved in with some new roomates and I am having some trouble getting certain websites to load. We are running DSL off a switch run by one of the computers on the network. I am definitely not a network expert, so this stuff is new to me. Nobody else is having these problems. I can't load www.weather.com and www.newegg.com for example. Could this be some kindof security setting I have on my computer, I am really out of ideas. Thanks for the help.
 
I have a similar prob when round using a mates DSL. Every time I go round, his computer cannot connect to sharkyforums.com or sharkyextreme.com. But after about 24 hours having tried, I get a connection. My mate (who's into networks) reckons it's to do with one of a number of servers hosting the site being cached as the connection to the site, but being unavailable when you should automatically get to a free server. Hope thats about rite, anywho, always got a conection after about 24 hrs.
 
My mom's laptop is accessing the Internet over a DSL link shared on my computer (Win XP). She's got the exact same problem - many sites work fine, but some sites don't work at all, for no obvious reason. I've set my Apache webserver set up to work as an http proxy, that way everything works.
Now, I have a theory why this might be happening, although it does not really explain why some sites work and some don't, it's more of a general issue on DSL links. DSL is limited to packets of something like 1492 bytes, which is smaller than the typical maximum size due to the fact that the PPPoE header needs to be crammed in there, too. Now, my computer knows this and sets its own MaxMTU likewise, but other computers on the network who access over mine do not know this, and might try to work with packet sizes too large for PPPoE. The way to fix this would be to get one of those network configuration tools (often have the word MTU in their name) and lower the value manually.
Note that this is only a vague idea, I'm by no means an expert myself, I kind of puzzled this together from various sources on DSL.
 
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