CRF Network Services
We provide primary and secondary DNS for several faculty and project
domains. If you would us to provide this for you, then contact crf. Examples
, etc. We also maintain the department DNS so all requests for static hosts
should be sent to CRF and we also can provide additional support through aliases
Currently CRF maintains a DHCP pool for use by members of the computer
science department. By using your DHCP, you can easily setup your laptop on
our network quickly. If you have a desktop machine, we recommend you request
a static ip, see above. For your laptop, we can also provide static addresses
and provide this information over DHCP for your laptop. Just email CRF.
CRF maintains a pool of 16 33.6k modem lines which provide PPP access
to the department. Faculty and phds are elgible for this access. To request
access, email CRF with the name of your host and we will add support.
CRF provides a news server at news.cs.columbia.edu which all users in
the Computer Science department. It has feeds from Columbia, outside providers,
and internal news groups like cs.board. This server provides standard NNTP
access, just use your favorite client (tin, trn, rn, GNUS, Pan, KNode).
We provide an extensive array of mail services. See our
mail information page
We currently provide SSH1 and SSH2 clients through OpenSSH on all supported
CRF Solaris and Linux machines. We currently recommend users only connect
to machines using SSH because telnet has no security. SSH2 server-side support
should be online by October 2001.
Department wide FTP services are provided through ftp.cs.columbia.edu.
We currently mirror a wide variety of software including Samba, Sendmail,
GNOME, OpenBSD, FreeBSD, NetBSD, Linux Kernels and Redhat Linux. We are also
an official mirror of GNU software. Users can make software available from
the ftp server by putting files in /import/ftp/pub/userid as needed. For help,
CRF provides two web servers. The primary webserver is www.cs.columbia.edu
which is Sun 440 machine running Apache with mod_ssl support. We currently
support cgi scripts and https pages.
The secondary web server is web.cs.columbia.edu which we recommend for
testing cgi scripts. It is currently running Apache with mod_ssl and supports
PHP 4 pages.
Access is avaiable to home directories and project disks. Simply connect
to machine as in windows with "\\machine_name\share". It will ask for your
user name and password. Your home directory can be accessed by connecting
to your file server ("\\fileserver\userid").
If you need a web site hosted with a vanity name then we can do it for you.
We can provide all the services you need including DNS, HTTP, and Mail to
fit your sites needs. Also, you will not have an complicated management to
do as we handle the server and let you concentrate on the content. We provide
this for any faculty who needs it. Please contact CRF so we can contact our
services to fit your needs.
CVS pserver facilities are considered legacy because of the
transmission of plaintext passwords, and it's use is discouraged,
except under certain conditions (please contact CRF if you think you
We recommend using cvs over an SSH transport. A quick guide is
available at CVS over SSH howto.
Fri Sep 21 00:09:17 EDT 2001