Re: Programs for direct friend-to-friend file transfer?
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On Sat, 02 Jun 2012 15:16:19 +0100
Chris Davies <chris-usenet@roaima.co.uk> wrote:
> Aubrey Raech <aubreyraech@gmail.com> wrote:
> > Sometimes I have the need to send files that are too large for
> > email to a friend directly [...]
>
> > 1. Not a proper server (http, ftp)
> > 2. No usernames? (scp, rsync)
> > 3. Preferably does not require a chat protocol (XMPP, IRC's DCC)
>
> > - From what I can find it seems like XMPP would probably be the
> > best bet for this...
>
> But in #3 above you've just excluded XMPP. Do you want it or not?
>
> > is there no program you can run with something like a - --listen to
> > listen for a connection on one end, and then run the program with
> > the destination IP from the other? Something along those lines?
>
> Yes. A "proper" server (http, ftp, ssh) would satisfy this requirement
> but you've excluded those with #1, #2. If your PCs can have Internet
> facing ports configured, I'd go for ssh/rsync every time.
>
> 1. One (or both) of you configure your router/firewall to accept
> inbound TCP connections from (say) port 10022 and route them to your
> Linux-based PC on port 22. If you can't redirect port 10022 to
> port 22 then just forward port 10022 and create a firewall rule on
> your Linux-based PC to rewrite inbound requests on 10022 to local port
> 22. (Come back here if you need help with that.)
>
> 2. Consider the use of DDNS services such as those provided by
> dyndns.org to make your IP address available by name to your friend.
>
> 3. Install the openssh-server package
>
> 4. Configure /etc/ssh/sshd_config, adding an AllowGroups line such
> as this:
>
> AllowGroups sshuser
>
> 5. Put your and your friend's user accounts into the sshuser group:
>
> groupadd sshuser
> usermod -a -G sshuser YOURUSERNAME
> usermod -a -G sshuser YOURFRIENDSUSERNAME
>
> 6. Make sure that your password, and your friend's password on your
> machine, is sufficiently complex that others are unlikely to
> guess it.
>
> 7. Use rsync (over ssh) or sftp to copy the files. Remember to tell
> them to use port 10022 (or whatever you decided in #1) instead of the
> default port 22.
>
> Chris
>
>
In the event that the other person is capable of ssh/scp, I will
probably configure a setup like this. Thank you for the how-to!! Very
helpful. I don't mind ssh/scp, but most people I know don't know how
to use that sort of thing at *all*.
Thank you!
- --
Aubrey
"There are two types of people in the world: those who
can extrapolate from incomplete data."
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