[pptp-server] Dumb newbie question...

tmk tmk at netmagic.net
Tue Jun 15 17:56:57 CDT 1999


> I will ensure that my Linux box is setup as you specified.  I assume that I
> should use an internet address (such as 204.138.115.3) since the Linux box
> is multihomed (being both the internet address as 192.168.1.1).  I have
> always had the proxyarp option in my /etc/ppp/options file.

so you have 2 network cards (or interfaces) one in the 204.x.x.x range and
one in the 192.x.x.x range. I will assume that the 204 range is the
internet, and the 192 range is your private network. 

looking at your logs, it would seem that what you have is indeed a ppp
problem. Post (or send directly too me) your pppd options file, you might
have some conflicting options in there. If you haven't already, read the
setup tips that come with the distribution.

Kevin

> 
> Oh - ok - that makes more sense now...   so then my connection problem
> would be PPP related (and not PPTP) - it seems that PPP fails to read the
> data for authentication.
> 
> Is there a reason why my ppp would be timing out and unable to read the
> connection?  My ifcfg-ppp0 was original configured for a modem and I'm not
> sure I know what to change appropriately for use with PPTP.
> 
> Thanks for your responsive feedback.
> 
> - Nick
> 
> At 06:27 PM 6/15/99 , tmk wrote:
> >Ignore that error, it just means that you have used up all the IPs you
> >allocated in your /etc/pptpd.conf file *AFTER* the client connected. the
> >client has already connected just fine. 
> >
> >As far as ips go, the "best" way to set things up is to make ALL local ip
> >addresses the same as your linux box (it won't hurt anything) and make the
> >remote ip addresses unique, but on the same subnet as your linux box. You
> >can then use the proxyarp ppp option (if you'd like) 
> >
> >for example:
> >
> >assuming your linux box is 192.168.1.1 and 192.168.1.100 through
> >192.168.1.255 are free
> >you tell the pptp client to go to your remote ip.
> >tell pptpd that local ips are 192.168.1.1 and remote ips are
> >192.168.1.100-255
> >
> >and if you like, use the proxyarp option in your pppd options file
> >
> >Kevin
> >
> >On Tue, 15 Jun 1999, Nicholas Oddson wrote:
> >
> >> If I want to run PPTPD on my Linux box (which is also my firewall) such
> >> that I can connect from a (windows) machine at work and get into my home
> >> private network (to get files, whatever) - do I need more than one IP
> >> address on my external interface of my Linux box?
> >> 
> >> i.e.  	I have one external IP address
> >> 	I have several internal IP addresses (192.168.1.x)
> >> 
> >> I keep getting the error "No free connection slots or IPs available - no
per
per
> >> more clients can connect!"
> >> 
> >> Jun 15 17:53:25 cr136376-A pptpd[12027]: MGR: Manager process started
> >> Jun 15 17:53:36 cr136376-A pptpd[12027]: MGR: No free connection slots or
> >> IPs - no more clients can connect!
> >> Jun 15 17:53:36 cr136376-A pptpd[12028]: CTRL: Client 204.138.115.3 control
> >> connection started
> >> Jun 15 17:53:36 cr136376-A pptpd[12028]: CTRL: Starting call (launching
> >> pppd, opening GRE)
> >> Jun 15 17:53:37 cr136376-A pptpd[12028]: CTRL: Ignored a SET LINK INFO
> packet
> >> Jun 15 17:53:37 cr136376-A pppd[12029]: pppd 2.3.5 started by root, uid 0
> >> Jun 15 17:53:37 cr136376-A pppd[12029]: Using interface ppp0
> >> Jun 15 17:53:37 cr136376-A pppd[12029]: Connect: ppp0 <--> /dev/ttyp2
> >> Jun 15 17:53:37 cr136376-A pppd[12029]: sent [LCP ConfReq id=0x1 <auth chap
> >> 05> <magic 0xc9d8d0df> <pcomp> <accomp>]
> >> Jun 15 17:54:04 cr136376-A last message repeated 9 times
> >> Jun 15 17:54:07 cr136376-A pppd[12029]: LCP: timeout sending Config-Requests
> >> Jun 15 17:54:07 cr136376-A pptpd[12028]: GRE: read() from PTY failed: 
> >errno = 0
> >> Jun 15 17:54:07 cr136376-A pptpd[12028]: CTRL: PTY read failed
> >> Jun 15 17:54:07 cr136376-A pptpd[12028]: CTRL: Client 204.138.115.3 control
> >> connection finished
> >> Jun 15 17:54:07 cr136376-A pppd[12029]: Connection terminated.
> >> Jun 15 17:54:07 cr136376-A pppd[12029]: Exit.
> >> 
> >> This is RH5.2 using pptp 0.9.0 and ppp 2.3.5
> >> 
> >> Ideas?
> >> 
> >> - Nick
> 
> 
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