[pptp-server] PoPToP and Linux PPPTP client

[Sean McAvoy]

Hello, just having some problems connecting a Linux pptp client to a PoPToP
(RH Linux) server, which is behind a Linux NAT Firewall. It seems that both
are waiting to authenticate but do not. Any Ideas???
Thanks for ANY help!

Sean McAvoy
MDS Networks
sean at mds-networks.com

Server
May 29 20:00:56 server pptpd[18323]: CTRL: Client 24.141.14.135 control
connection started
May 29 20:00:57 server pptpd[18323]: CTRL: Starting call (launching pppd,
opening GRE)
May 29 20:00:57 server pppd[18324]: pppd 2.3.10 started by root, uid 0
May 29 20:00:57 server pppd[18324]: Using interface ppp0
May 29 20:00:57 server pppd[18324]: Connect: ppp0 <--> /dev/pts/3
May 29 20:00:59 server pptpd[18323]: GRE: Discarding duplicate packet
May 29 20:01:01 server pppd[18324]: LCP terminated by peer (peer refused to
authenticate)
May 29 20:01:03 server pppd[18324]: Connection terminated.
May 29 20:01:03 server pppd[18324]: Exit.
May 29 20:01:03 server pptpd[18323]: GRE: read(fd=5,buffer=804d7e0,len=8196)
from PTY failed: status = -1 error = Input/output error
May 29 20:01:03 server pptpd[18323]: CTRL: PTY read or GRE write failed
(pty,gre)=(5,6)
May 29 20:01:03 server pptpd[18323]: CTRL: Client 24.141.14.135 control
connection finished

Client
May 29 19:07:20 co38235-a (unknown)[27767]:
log[pptp_dispatch_ctrl_packet:pptp_ctrl.c:531]: Client connection
established.
May 29 19:07:21 co38235-a (unknown)[27760]:
log[pptp_read_some:pptp_ctrl.c:368]: read error: Broken pipe
May 29 19:07:21 co38235-a (unknown)[27767]:
log[pptp_dispatch_ctrl_packet:pptp_ctrl.c:637]: Outgoing call established.
May 29 19:07:21 co38235-a modprobe: Note: /etc/conf.modules is more recent
than /lib/modules/2.2.14-5.0/modules.dep
May 29 19:07:21 co38235-a pppd[27770]: pppd 2.3.10 started by root, uid 0
May 29 19:07:21 co38235-a pppd[27770]: Using interface ppp0
May 29 19:07:21 co38235-a pppd[27770]: Connect: ppp0 <--> /dev/ttya0
May 29 19:07:25 co38235-a pppd[27770]: peer refused to authenticate:
terminating link
May 29 19:07:25 co38235-a pppd[27770]: Connection terminated.
May 29 19:07:26 co38235-a pppd[27770]: Exit.