ISP TOS restrictions on servers
Michael Holstein
michael.holstein at csuohio.edu
Tue May 29 13:41:30 UTC 2007
> Do ISPs really care about whether people run servers on residential accounts
Depends on who you ask .. but generally, as long as you pay your bill
and you don't make them do paperwork on your behalf (eg: DMCA crapola),
they ignore it.
> do they scan ports? If so, how often?
Again .. depends. Back when I had ComCrap (Comcast), I'd get hits on
tcp/21 fairly often. Run your ftpd on some obscure port (better yet with
starttls) and you'll be fine.
> Will they be able to decrypt the data from a middle node?
Not in this lifetime.
> Is it worth also running a public web\ftp server (on a different port than 80\21)?
Always .. they don't have the patience to scan every port .. avoid the
"well-known" ones and you'll be fine.
> If they find out, will it be a warning letter or termination?
Usually you get a warning first, unless they get a DMCA or some-such on
your behalf .. then you generally get a 1-year ban from that company.
On the plus side, getting canceled by them gets you out of your contract
agreements. Play your cards right and keep mis-spelling your name when
you sign-up, and you can switch between cable and DSL forever.
Cheers,
Michael Holstein CISSP GCIA
Cleveland State University
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