[NTLUG:Discuss] Help! I'm under attack by my ISP!

Wed Jul 14 10:16:52 CDT 2004

I don't have the answer, but I am a comcast user at home, and my mp3 download speeds SUCK!

I too am waiting with baited breath!

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> 
> hee hee. I'm sure this has happened to some on this list. Oh, if you 
> believe p2p software is illegal, ignore this email. 
> 
> I've been on TVMAX broadband for years (nee BBNOW, nee OptelNow). 
> Apparently the internet service has been bought by Comcast, and they are in 
> the process of converting over. I've heard horror stories about terms of 
> service for Comcast et al. but I've been running over a dozen services off 
> my server/firewall for years (and no, never been hacked), and just about 
> every p2p client occasionally. Suddenly tho, they shut me off and I have 
> to call "Tech Support" (a very loose definition) to find that they have 
> detected an open port 4662 and "excessive bandwidth utilization". I 
> replied there was nothing in the terms of service about p2p software (nor 
> should there be, as it is not necessarily illegal to trade files), but she 
> claimed I was affecting the other users. Of course I wouldn't do it if it 
> were degrading the network, but in fact I was only running overnet at the 
> time capped at 10kbps. Seems to me they're really objecting to my use of 
> most of my allotted 1Mbps limit (all day long, since I use it from work). 
> 
> So it occurred to me to find out where their port scans are coming from, 
> and blocking those. (That's right - if they're not going to play fair, I 
> won't either) I tried pkdump (ouch! not ready for prime time) and 
> portsentry. Neither seem to do what I want, which is block hosts scanning 
> different _unrelated_ ports, ie., the p2p ports, and to do so without being 
> suspicious. Unfortunately, I don't know whether the scans are coming from 
> tvmax.net, interquest.net, or comcast. I also can't tell from whois what 
> all their subnets are. 
> 
> And if any Comcast users would care to comment on the service, and how they 
> deal with it, I'd appreciate it. 
> 
> Kyle 
> 
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