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Old 02-13-2004, 09:24 AM   #1
khtse
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Registered: Sep 2003
Location: Hong Kong
Distribution: Slackware 9.1
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VPN in Slackware


Dear all,
To access the news server at my university, I first have to log in to the VPN. In windows, this was easy, but I am finding myself spending more and more time in Slackware and less and less time on Windows.

Amongs the headaches is how do I go about connecting to the VPN on linux?

Any help would be useful. I suppose I can log back to windows to check the news server but...... It seems stupid, as that is all that I seem to be doing on Windows now that I've settled in to Slack.

Thanks in advanced =]
 
Old 02-13-2004, 02:12 PM   #2
Gates1026
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Registered: Sep 2003
Location: Iowa
Distribution: Slackware 9.1
Posts: 155

Rep: Reputation: 30
I use a vpn connection from my apartment to my work just about every day. Not too bad to set up and use. I originally started out with RedHat, then moved to Slackware around Christmas time so I installed all of the packages from the website using rpm2tgz <rpmname>. I could not however get the php frontend for slackware to work like it should. So after all of the setup I had to configure it command line by using the options in the config script /usr/sbin/pptp-command. The route commands can be tricky, so if you cant figure them out I can help you out at a later time when I am around my computer.

Here is the website for the pptpclient

Hope this helps!
 
Old 02-14-2004, 03:22 PM   #3
ivan.tg
LQ Newbie
 
Registered: Feb 2004
Location: Yambol, BULGARIA
Distribution: Ubuntu, Slackware, FreeBSD
Posts: 19

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Unhappy

Hi! I got this simillar problem about VPN... Here is the situation... I need to connect to a Linux PPTP server but over a LAN network.... How should i configure pptp and pppd in this case.... and i couldn't find the file /usr/sbin/pptp-command
When i try to connect everything seems to be ok... and with netstat i could see the connection between my comp. and the server's port 1723... but i can't open any website... or is it a routing problem :\
Any idea?

Thank you!
 
Old 02-14-2004, 03:31 PM   #4
nesware
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Registered: Jan 2004
Location: belgium
Distribution: Slackware
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on my site http://www.nesware.net/adsl you can find info how to open a PPTP connection with this ADSL provider in the netherlands.. just make a few changes in the IP addresses your making the pptp connection to and the logon info
 
Old 02-19-2004, 09:14 AM   #5
ivan.tg
LQ Newbie
 
Registered: Feb 2004
Location: Yambol, BULGARIA
Distribution: Ubuntu, Slackware, FreeBSD
Posts: 19

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hi everyone!
i can't and i can't and i can't get this thing to work!!!....
here is what i get when i start the conection:
======================================================
root@host7:/etc/ppp# pppd call dtun debug dump logfd 2 nodetach
pppd options in effect:
debug # (from command line)
nodetach # (from command line)
logfd 2 # (from command line)
dump # (from command line)
noauth # (from /etc/ppp/options.pptp)
name zl7star # (from /etc/ppp/peers/dtun)
remotename PPTP # (from /etc/ppp/peers/dtun)
# (from /etc/ppp/options.pptp)
pty pptp 192.168.236.1 --nolaunchpppd # (from /etc/ppp/peers/dtun)
mru 1500 # (from /etc/ppp/options.pptp)
mtu 1500 # (from /etc/ppp/options.pptp)
ipparam dtun # (from /etc/ppp/peers/dtun)
using channel 12
Using interface ppp0
Connect: ppp0 <--> /dev/pts/2
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x7efcb994> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap 81> <magic 0x56ec68b8> <pcomp> <accomp>]
sent [LCP ConfNak id=0x1 <auth chap MD5>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x7efcb994> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <auth chap MD5> <magic 0x56ec68b8> <pcomp> <accomp>]
sent [LCP ConfAck id=0x2 <asyncmap 0x0> <auth chap MD5> <magic 0x56ec68b8> <pcomp> <accomp>]
rcvd [CHAP Challenge id=0x1 <9b96e81b9d98608a81563c23744a59990347>, name = "192.168.236.1"]
sent [CHAP Response id=0x1 <6fcd927875c220382fdd8aa41047179b>, name = "zl7star"]
rcvd [CHAP Success id=0x1 "Welcome to center."]
Remote message: Welcome to center.
sent [IPCP ConfReq id=0x1 <addr 192.168.236.79> <compress VJ 0f 01>]
sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [IPCP ConfReq id=0x1 <addr 192.168.236.1> <compress VJ 0f 01>]
sent [IPCP ConfAck id=0x1 <addr 192.168.236.1> <compress VJ 0f 01>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [IPCP ConfNak id=0x1 <addr 10.10.50.138>]
sent [IPCP ConfReq id=0x2 <addr 10.10.50.138> <compress VJ 0f 01>]
rcvd [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
Deflate (15) compression enabled
rcvd [IPCP ConfAck id=0x2 <addr 10.10.50.138> <compress VJ 0f 01>]
local IP address 10.10.50.138
remote IP address 192.168.236.1
Script /etc/ppp/ip-up started (pid 1092)
Script /etc/ppp/ip-up finished (pid 1092), status = 0x0
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
rcvd [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfAck id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
sent [CCP ConfReq id=0x2 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
CCP: timeout sending Config-Requests
Modem hangup
Script /etc/ppp/ip-down started (pid 1121)
Connection terminated.
Connect time 2.6 minutes.
Sent 103998024 bytes, received 207 bytes.
Waiting for 2 child processes...
script /etc/ppp/ip-down, pid 1121
script pptp 192.168.236.1 --nolaunchpppd, pid 1080
Script /etc/ppp/ip-down finished (pid 1121), status = 0x0
Script pptp 192.168.236.1 --nolaunchpppd finished (pid 1080), status = 0x0
root@host7:/etc/ppp#
======================================================
 
Old 02-19-2004, 12:41 PM   #6
murray_linux
Member
 
Registered: Nov 2003
Distribution: Slackware Current
Posts: 210

Rep: Reputation: 30
Quote:
Originally posted by Gates1026
I use a vpn connection from my apartment to my work just about every day. Not too bad to set up and use. I originally started out with RedHat, then moved to Slackware around Christmas time so I installed all of the packages from the website using rpm2tgz <rpmname>. I could not however get the php frontend for slackware to work like it should. So after all of the setup I had to configure it command line by using the options in the config script /usr/sbin/pptp-command. The route commands can be tricky, so if you cant figure them out I can help you out at a later time when I am around my computer.

Here is the website for the pptpclient

Hope this helps!
wow Gates1026. I've been trying to set this up for a long time now. If I can get this going, I'll never have to boot into Windows again. Can you in more detail describe all the steps you took?

Thanks so much,

Murray
 
Old 02-19-2004, 03:31 PM   #7
Gates1026
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Registered: Sep 2003
Location: Iowa
Distribution: Slackware 9.1
Posts: 155

Rep: Reputation: 30
Sure thing.......this is what I do

1.) Go to the source forge page that is linked to at the top of this post
2.) download the rpm ppp-2.4.2_cvs_20030610-1.i386.rpm
3.) # rpm2tgz ppp-2.4.2_cvs_20030610-1.i386.rpm
- install the package with installpkg
4.) Since I have an athlon processor, I always follow all of the kernel mod instructions
- http://pptpclient.sourceforge.net/ho...90-build.phtml (must have kernel source)
- # tar xfz kernelmod-0.7.1.tar.gz
# cd kernelmod
# ./kernelmod.sh
- # modprobe ppp-compress-18
- # depmod -a
- # modprobe ppp-compress-18
- download, convert to tgz and install pptp-linux-1.3.1-1.i386.rpm

5.) If you did all that correclty you should be able to fire up the config script at /usr/sbin/pptp-command

6.) You will need to setup the tunnel as you need with username and passwd.
- I found the route parts hard so here is what i used
- add -host 10.1.10.2 gw DEF_GW (this is the default gateway of the internal network that I am trying to connect to
- add -net 10.0.0.0/8 TUNNEL_DEV (this is the internal network subnet that I am connecting to.

I hope this helps. Let me know I can help any more
 
  


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