[lug] telnet and ftp w/RH 7.2

[D. Stimits]

"D. Stimits" wrote:
> 
> Gary Hodges wrote:
> >
> > I had three problems with the new system this morning, and now I'm down
> > to one.  BTW, thanks Dan for the confirmation on editing fstab.  I
> > actually had to change the LABEL with e2label and edit fstab.
> >
> > OK, while on the machine I can telnet and ftp into it.  When I do
> > in.telnetd and ftpd both show up with ps.  I cannot, however, do either
> > from another machine.  I can ping this machine so I'm assuming it can be
> > seen, I just can't get into the bugger.  I've looked at the hosts files
> > but don't see anything there.  When I was installing the OS, there was
> > three options at one point -- something like open, secure, and really
> > secure.  I chose secure, and I'm guessing that has disabled the ability
> > to telnet and ftp into this machine.
> 
> The secure version removes remote access by default, so that is very
> likely the problem. *Part* of the answer is of course making sure the
> services in general are not disabled. In /etc/xinetd.d/ there will be a
> file for each xinetd controlled service, one called "telnet" and another
> "wu-ftpd". Make sure those have a line similar to:
>   disable = no
> 
> You also must be sure that tcp is not being blocked via firewalling.
> Since ping is icmp, it might not have the same rules and get through
> even if tcp is blocked.
> 
> Beyond that there are all kinds of other settings for allow/deny based
> on /etc/hosts.allow (add your remote machine maybe) and hosts.deny (make
> sure these services are not denied). Along with lots of other config
> files in /etc/ for ftp. Always test as non-root, since root has more
> limitations. I don't know what else to check until you've checked those
> particular issues.

Almost forgot something important. Most of those changes will not be
reflected until you restart xinetd. I'd recommend after changes:
  "/etc/rc.d/init.d/xinetd restart"

D. Stimits, stimits at idcomm.com

> 
> >
> > Cheers,
> > Gary
> >
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