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Re: [TCLUG:20324] Redhat workstation blocking tcp/ip requests?
Mark Theiste wrote:
>
> I am having a problem trying to make tcp/ip requests to tcp/ip servers
> located on a Redhat 6.2 workstation. This machine is configured on the
> network (it can make requests to the internet via a router) and has an FTP
> and Interbase database server installed on it. Whenever I try to make a
> connection to it, even on the same box, via TCP/IP, I get messages that
> mostly say the connection was "actively refused". I'll admit to being a
> Linux newbie and then ask, does anyone have any ideas about what is blocking
> the request and how I could remove the blocking? Thanks in advance to
> anyone with any ideas and also for your patience. I have been looking at
> this issue myself for too long now and would really appreciate it if someone
> can tell me what I need to do. Thanks!
>
> Mark
By default the /etc/hosts.allow and /etc/hosts.deny should be empty
which will grant access to any and all clients. You may also want to
check your entries in the following files:
/etc/inetd.conf should have an entry for spawning the ftp server looking
something like:
ftp stream tcp nowait root /usr/sbin/tcpd in.ftpd -l -a
/etc/services should have two entries for ftp (data and command ports)
that look something like:
ftp-data 20/tcp
ftp 21/tcp
You may also want to verify that the server applications are installed
(the in.ftpd file listed above). I've run into a situation where inetd
could not find the server to spawn after getting a request on the
specified port, but I can't remember what the error message was on the
client side. Good luck.
--
Seth Bernsen
Software Engineer
United Defense
Phone: 612-572-4993
Fax: 612-572-4858
http://www.udlp.com