Re: telnet break-in

1998-08-26 Thread M.C. Vernon
On Tue, 25 Aug 1998, George Bonser wrote: On Tue, 25 Aug 1998, Ossama Othman wrote: Hence the One-Time Password suggestion. Either way, better to have/use SSH than use telnet/ftp/r{login,sh,exec}. -Ossama I have both SSL-Telnet and SSH installed. I don't type root passwords over

Re: telnet break-in

1998-08-26 Thread Ossama Othman
Hence the One-Time Password suggestion. Either way, better to have/use SSH than use telnet/ftp/r{login,sh,exec}. I have both SSL-Telnet and SSH installed. I don't type root passwords over clear connections unless it is an emergency. Hmm - why is it that emergencies always happen

Re: telnet break-in

1998-08-26 Thread Stephen J. Carpenter
On Wed, Aug 26, 1998 at 10:35:12AM -0400, Ossama Othman wrote: Hence the One-Time Password suggestion. Either way, better to have/use SSH than use telnet/ftp/r{login,sh,exec}. I have both SSL-Telnet and SSH installed. I don't type root passwords over clear connections unless it

Re: telnet break-in

1998-08-25 Thread Raymond A. Ingles
On Sun, 23 Aug 1998, Ossama Othman wrote: Hi, telnet ftp login exec finger shell ...you get the idea... And dont forget the r services ... rlogin, rsh, rexec, etc. Yep, the r services are covered by login, exec and shell. Here is what inetd.conf has

Re: telnet break-in

1998-08-25 Thread Ben Lyall
On Mon 08 Aug 1998, Nathan E Norman ([EMAIL PROTECTED]) wrote: Ok; granted - there are not free versions of ssh for Win95/NT (I thought there was one, but I don't have a URL so I'll concede the point). There is a sorta free implementation of SSH for Win95/NT. Source code is available, but

Re: telnet break-in

1998-08-25 Thread Ossama Othman
Hi, Interesting ... after reading the above messages, I decided to check out my /var/log files and found a whole suite of in.telnetd[XXX]: connect statements. Bummer! It appears that it is time for you disable all of those incoming services we mentioned. Have you considered using Secure

Re: telnet break-in

1998-08-25 Thread Ossama Othman
can't use Secure Shell, you might want to try One-Time Password packages, such as OPIE. I believe that even WU-FTP is starting to support one time passwords, too. Uhm, secure shell is not the answer to all problems. It WILL revert to an unsecure protocol if the other end can not

Re: telnet break-in

1998-08-24 Thread Lindsay Allen
Couple of queries, if I may. How would I disable ssh on pppX except for ppp3? discard, daytime and time run as root - do I need them? Lindsay =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Lindsay Allen [EMAIL PROTECTED] Perth, Western Australia voice +61 8 9316

Re: telnet break-in

1998-08-24 Thread M.C. Vernon
On Sun, 23 Aug 1998, George Bonser wrote: On Sun, 23 Aug 1998, Nathan E Norman wrote: : And dont forget the r services ... rlogin, rsh, rexec, etc. With the availability of ssh you're insane to leave these enabled at all (especially rexec) Unless you are using them, you are insane

Re: telnet break-in

1998-08-24 Thread Jens Ritter
Nebu John Mathai [EMAIL PROTECTED] writes: Also, is there any way to have a message pop up whenever someone is trying to log in? Try xlogmaster from slink. You can regexp for an expression and make it pop up. Jens -- [EMAIL PROTECTED] [EMAIL PROTECTED] KeyID: 2048/E451C639 1998/01/28

Re: telnet break-in

1998-08-24 Thread Nathan E Norman
On Mon, 24 Aug 1998, M.C. Vernon wrote: : On Sun, 23 Aug 1998, George Bonser wrote: : : On Sun, 23 Aug 1998, Nathan E Norman wrote: : :: And dont forget the r services ... rlogin, rsh, rexec, etc. : : With the availability of ssh you're insane to leave these enabled at all :

Re: telnet break-in

1998-08-24 Thread Hamish Moffatt
On Mon, Aug 24, 1998 at 09:02:14AM +0100, M.C. Vernon wrote: On Sun, 23 Aug 1998, George Bonser wrote: On Sun, 23 Aug 1998, Nathan E Norman wrote: : And dont forget the r services ... rlogin, rsh, rexec, etc. With the availability of ssh you're insane to leave these enabled at

telnet break-in

1998-08-23 Thread Serge Delorme
I only have a simple dial-out PPP connection from my ISP. I'm still on a Bo system with shadow password enable. Two days ago I see this message from my xconsole: Aug 20 10:19:56 ordino in.telnetd[349]: connect from ppp-014.m4-1.mtl.ican.net Aug 20 10:20:01 ordino telnetd[349]: ttloop: peer died:

Re: telnet break-in

1998-08-23 Thread Damir J. Naden
Hi Serge Delorme; unless Mutt is confused, you wrote: I only have a simple dial-out PPP connection from my ISP. I'm still on a Bo system with shadow password enable. Two days ago I see this message from my xconsole: Aug 20 10:19:56 ordino in.telnetd[349]: connect from

Re: telnet break-in

1998-08-23 Thread Damir J. Naden
Hi George Bonser; unless Mutt is confused, you wrote: On Sat, 22 Aug 1998, Damir J. Naden wrote: I have tried pinging the above host right after that and it returned the I.P. address 153.36.2.35 . does anyone know how can I get the actual site name from this? As the original poster,

Re: telnet break-in

1998-08-23 Thread Nebu John Mathai
Interesting ... after reading the above messages, I decided to check out my /var/log files and found a whole suite of in.telnetd[XXX]: connect statements. Should I be worried ... or does Debian come secure out of the box? Also, is there any way to have a message pop up whenever someone is trying

Re: telnet break-in

1998-08-23 Thread Damir J. Naden
Hi George Bonser; unless Mutt is confused, you wrote: On Sat, 22 Aug 1998, Nebu John Mathai wrote: Interesting ... after reading the above messages, I decided to check out my /var/log files and found a whole suite of in.telnetd[XXX]: connect statements. Should I be worried ... or

Re: telnet break-in

1998-08-23 Thread D'jinnie
You might also want to check out ipfwadm...the IRC remark was very timely, some moron from mcs.net was portscanning my machine last night :) --- When women are depressed they either eat or go shopping. Men invade another country. --- Elayne Boosler D'jinnie/Jinn, encountered on IRC

Re: telnet break-in

1998-08-23 Thread Ossama Othman
You might want to consider disabling all incoming connections if you are never going to login to your machine via remote. As George suggested, you can edit your host.{allow,deny} files or edit /etc/inetd.conf and comment out things like: telnet ftp login exec

Re: telnet break-in

1998-08-23 Thread Ossama Othman
Hi, telnet ftp login exec finger shell ...you get the idea... And dont forget the r services ... rlogin, rsh, rexec, etc. Yep, the r services are covered by login, exec and shell. Here is what inetd.conf has to say: shell stream tcp

Re: telnet break-in

1998-08-23 Thread Nathan E Norman
On Sun, 23 Aug 1998, George Bonser wrote: : On Sun, 23 Aug 1998, Ossama Othman wrote: : : telnet : ftp : login : exec : finger : shell : ...you get the idea... : : And dont forget the r services ... rlogin, rsh, rexec, etc. With the availability of ssh

Re: telnet break-in

1998-08-23 Thread Frederic Breitwieser
Unless you are using them, you are insane to have them enabled at all. I would tend to agree. I managed to struggle and disable all of that crud and only enable SSH, on a different port than 22. This adds to the difficulties for hackers. Hey, every little bit helps. Plus, I disabled SSH on