Hey Danny, It would probably be more useful if you attach also your freeradius configuration and the debug log of freeradius when ran with -X argument for debugging. Also consider checking that rc_avpair attribute. Regards, Liran. On Jan 3, 2008 1:59 PM, Danny Milshtein <danny@videocells.com> wrote:
Hi,
When trying to connect from VPN client with chap method I get the following error messages from VPN server
- GRE: Bad checksum from pppd
- rc_avpair_new: unknown attribute
When testing without radius plug-in (chap-secret file) work fine
I'm using pptp version 1.3
freeradius 1.1.3
Attached my configuration files
Thanks
Danny
# /var/log/messages
#
Jan 3 14:42:32 host-8-220 pptpd[31170]: CTRL: Client 192.168.8.244control connection started
Jan 3 14:42:32 host-8-220 pptpd[31170]: CTRL: Starting call (launching pppd, opening GRE)
Jan 3 14:42:32 host-8-220 pppd[31171]: Plugin radius.so loaded.
Jan 3 14:42:32 host-8-220 pppd[31171]: RADIUS plugin initialized.
Jan 3 14:42:32 host-8-220 pppd[31171]: Plugin radattr.so loaded.
Jan 3 14:42:32 host-8-220 pppd[31171]: RADATTR plugin initialized.
Jan 3 14:42:32 host-8-220 pppd[31171]: pppd options in effect:
Jan 3 14:42:32 host-8-220 pppd[31171]: debug # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: idle 30 # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: dump # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: plugin radius.so # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: plugin radattr.so # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: auth # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: name pptp # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: 115200 # (from command line)
Jan 3 14:42:32 host-8-220 pppd[31171]: lock # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: local # (from command line)
Jan 3 14:42:32 host-8-220 pppd[31171]: asyncmap 0 # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: mru 1000 # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: mtu 1000 # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: lcp-echo-failure 3 # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: lcp-echo-interval 10 # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: ipparam 192.168.8.244 # (from command line)
Jan 3 14:42:32 host-8-220 pppd[31171]: proxyarp # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: 192.168.1.107:192.168.2.1 # (from command line)
Jan 3 14:42:32 host-8-220 pppd[31171]: nobsdcomp # (from /etc/ppp/options.pptpd)
Jan 3 14:42:32 host-8-220 pppd[31171]: pppd 2.4.4 started by root, uid 0
Jan 3 14:42:32 host-8-220 pppd[31171]: Using interface ppp0
Jan 3 14:42:32 host-8-220 pppd[31171]: Connect: ppp0 <--> /dev/pts/2
Jan 3 14:42:32 host-8-220 pptpd[31170]: GRE: Bad checksum from pppd.
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 6
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 7
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 1
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 60
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 3
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 31
Jan 3 14:42:32 host-8-220 pppd[31171]: rc_avpair_new: unknown attribute 32
Jan 3 14:42:32 host-8-220 pppd[31171]: Peer username failed CHAP authentication
Jan 3 14:42:32 host-8-220 pppd[31171]: Connection terminated.
Jan 3 14:42:32 host-8-220 pppd[31171]: Exit.
Jan 3 14:42:32 host-8-220 pptpd[31170]: GRE: read(fd=6,buffer=804e560,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Jan 3 14:42:32 host-8-220 pptpd[31170]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Jan 3 14:42:32 host-8-220 pptpd[31170]: CTRL: Client 192.168.8.244control connection finished
# /etc/ppp/options.pptpd
#
name pptp
debug
dump
lock
nobsdcomp
auth
mtu 1000
mru 1000
lcp-echo-failure 3
lcp-echo-interval 10
idle 30
plugin radius.so
plugin radattr.so
# /etc/radiusclient/radiusclient.conf
#
auth_order radius
login_tries 4
login_timeout 60
nologin /etc/nologin
issue /etc/radiusclient/issue
authserver localhost:1812
acctserver localhost:1813
servers /etc/radiusclient/servers
dictionary /etc/radiusclient/dictionary
login_radius /usr/sbin/login.radius
seqfile /var/run/radius.seq
mapfile /etc/radiusclient/port-id-map
default_realm
radius_timeout 10
radius_retries 3
nas_identifier surdemo
login_local /bin/login
# /etc/radiusclient/servers
#
localhost test123
*Danny Milshtein*
* *
*VideoCells Ltd.*
Tel +972-3-9291516
Fax +972-3-9291513
Mobile +972-52-8388561
danny@videocells.com
No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.17.13/1207 - Release Date: 1/2/2008 11:29 AM
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