[TUHS] UUCP: working systems, come and get them

Cory Smelosky b4 at gewt.net
Fri Mar 10 12:09:02 AEST 2017

On Thu, Mar 9, 2017, at 18:06, Warren Toomey wrote:
> On Thu, Mar 09, 2017 at 06:49:45PM -0700, John Floren wrote:
> > I've now got it working and it made me think a little.
> > 
> > In order to do these "serial ports over TCP" things, we basically are
> > putting login prompts out to the Internet. Is it possible to restrict
> > things so the only user allowed on ttyN is 'uucp', or should I just
> > put in iptables rules to only allow traffic from my UUCP peers?
> Yes, I'm trying to work on that. There is a way set some DZ lines
> to listen on port Y and the others on port X.
> sim> ATTACH DZ X,Line=3,Y,line=4,Z
> But there isn't a way to bind to localhost AFAICT. So we should be able
> to
> run uucico only on certain /dev/tty lines, but this still will require
> you to iptables block the other port.
> Unless someone has a way to bind simh DZ lines to localhost?

sim> att dz -m
Listening on port
Modem control activated

Connected to localhost.
Escape character is '^]'.

Connected to the VAX 11/780 simulator DZ device, line 1

[root at lethe] ~# telnet 5000
telnet: connect to address Connection refused
telnet: Unable to connect to remote host

> Cheers, Warren
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  Cory Smelosky
  b4 at gewt.net

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