Hi everyone,
Have anyone setup a Linux Dial-In Server before? I would like to check
on certain issues.
Here is how I setup the server.
Dial-In Server Setup
--------------------
Firstly, I setup my external MODEM to COM1 (mouse is on PS/2)and it is
configured at "/dev/ttyS0" on port 3F8 at IRQ 4 with a soft link to
"/dev/modem".
In my "/etc/inittab", I added this line,
S0:2345:respawn:/sbin/mgetty -s 115200 -D -n 1 -m '"" "ATL0M0H0 OK"'
ttyS0
where "S0" = /dev/ttyS0:
"2345" = runlevel
"sbin/mgetty" = the smart modem getty application
"-s" = speed or baud rate of the modem
"-D" = data only modem
"-n 1" = answer the modem after 1 ring
"-m" = 'expect send' (set the "chat" sequence)
"ttyS0" = /dev/ttyS0 (Com1)
and in my "/etc/shells" I added the "ppplogin shell" from
"/usr/lib/linuxconf/lib/ppplogin".
I then created a file in "/etc/ppp/" called "options.ttyS0" which
contain these lines;
# Start of "options.ttyS0"
-detach
passive
asyncmap 0
netmask 255.255.255.0
proxyarp
192.168.2.151:192.168.3.1
lock
crtscts
ttyS0
# End of "options.ttyS0"
I then add a user to my "pppusers" group and allocate a username and
password for the remote user to dial-in.
Client-Dial-Up Setup
--------------------
I created a "ppp0" profile with "linuxconf" on Mandrake Linux and set
all the
information from within "linuxconf" >> "networking" >> "ppp/slip/plip" >>
"add" >> "ppp0"
I set the profile in HARDWARE;
to use "hardware control transmission", "abort connections on well
known errors" "line speed=115200", "modem port=/dev/ttyS0", "ppp
options=<blank>",
In Communications;
"modem init string=ATZ", "modem dial number=1234567", "debug
connection=enabled"
In Chat;
Expect ogin:
Send moonshi
Expect owd:
Send mypassword
Expect TIMEOUT
Send 10
Now, I am ready to do a "ifup ppp0" to connect to the Dial-In Server
right? However, when I dial-in I received a modem-handshake and after
logging into the Dial-In Server I was disconnected!
I can't give you the error messages as the machine got hung and upon a
HARD RESET, "fsck" runs and reported humongous errors and upon fixing
it manually with fsck on single user mode, a few important files got
deleted and I can't login anymore. Most probably I lost the
"/etc/passwd" inode :(
When I try loggin in on console as root, the message says;
"You don't belong here. Go away!!!"
A stupid message right? Makes you angry after all the hard work. As
such I am reinstalling the machine and trying it again but if there
are certain errors in my setup, pls point out.
Thank you.
--Moonshi Mohsenruddin
mailto:[EMAIL PROTECTED]
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