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Don’t Do This - King Rat — LiveJournal
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Don’t Do This
Bandwidth graph for 4 hours

I have purposefully left my wifi open and free to use for anyone close enough to do so. If you are in my building, look for the SSID ApproveRef74. No password, and for the most part, no restrictions.

Today I realized someone in the building has been running a server off my wifi and has been maxing out my upload bandwidth. I don’t know who, but his name is James. Or at least I assume so because his computer was named JAMES-PC. That computer is now banned from my network.

If you look at the graph, the green is me watching a very high quality video feed. No, not porn. A soccer match between DC United and Philadelphia Union. The blue is the dipshit who owns JAMES-PC transmitting nearly as much data as I was watching. Way to take advantage of my hospitality.

Since I can’t send a message to James, I’m leaving this out there in case he googles himself or the SSID or something. When someone offers free wifi, don’t make it unusable. Now you have to buy your own wifi. If you aren’t James and you are doing this to someone else’s wifi, stop.

crossposted from King Rat.


2 comments or Leave a comment
the_4pril From: the_4pril Date: August 22nd, 2012 06:56 pm (UTC) (Link)
Why do you leave it open? Goodwill? Is there any immediate danger to leaving your wifi open? How can you tell how much data is being transmitted? And...if someone else is regularly using your wifi, will it slow you down in any way?
gkr From: gkr Date: August 22nd, 2012 07:10 pm (UTC) (Link)
a) so people can use it. just trying to be neighborly. many times I've desired an open wifi connection and have had to search one out.

b) someone could snoop on any unencrypted traffic through my router possibly. someone could download child porn through my wifi and I'd have to explain to the police/prosecutors that I run an open wifi so you'll need to check other people in the building cause there's no child porn on my computers. someone could run a file-sharing application and the RIAA could come after me for sharing music that I didn't share. someone could run a server/file sharing application and max out my bandwidth getting me put on Comcast's flagrant bandwidth users accounts. no risks a coffee shop with wifi doesn't face.

c) I replaced the firmware on the router with open source firmware that draws pretty graphs and gives me pretty stats. the stock firmware did a little bit of that, but I don't remember how much. i haven't set it up to permanently store that data, so I can only go back a few days typically.

d) yes, that's how I noticed. the video streams need to upload a little bit to tell the streaming servers what to send. his massive uploading slowed that, which made my video very skippy. I can make his bandwidth lower priority than mine, but it's more complicated to manage than I'm willing to put in, so I just banned his computer instead.
2 comments or Leave a comment