[pptp-server] Error 778: Unable to verify the identity of the server

[Murali K. Vemuri]

why don't you try with one ip address rather than a range at the local ip.

just give a try.
cheers
murali
Mark Burring wrote:

> A lot of my clients have been getting this error repeatedly: Error 778:
> Unable to verify the identity of the server
>
> Eventually it works. Just by staring at the logs it looks like a GRE
> problem
>
> Options:
> lock
> debug
> proxyarp
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> auth
> require-chap
> +chap
> ms-dns 192.168.100.20
> ms-wins 192.168.100.20
>
> Config:
> debug
> option /etc/ppp/options.pptp
> localip  192.168.100.181-190
> remoteip 192.168.100.191-200
>
> logs:
> Feb 12 16:31:03 gateway pppd[29779]: MSCHAP-v2 peer authentication
> succeeded for xxxxxx
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x4c6f
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:03 gateway pppd[29779]: Protocol-Reject for unsupported
> protocol 0x47
> Feb 12 16:31:03 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:06 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:06 gateway pptpd[29760]: CTRL: Ignored a SET LINK INFO
> packet with real ACCMs!
> Feb 12 16:31:06 gateway kernel: ip_demasq_gre(): xxx.xxx.xxx.xxx ->
> xxx.xxx.xxx.xxx CID=0 no masq table, discarding
> Feb 12 16:31:06 gateway pppd[29779]: LCP terminated by peer
> (C^Yg^T^@<M-Mt^@^@^C^J)
> Feb 12 16:31:06 gateway pptpd[29760]: CTRL: Error with select(),
> quitting
> Feb 12 16:31:06 gateway pptpd[29760]: CTRL: Client xxx.xxx.xxx.xxx
> control connection finished
> Feb 12 16:31:06 gateway pppd[29779]: Modem hangup
> Feb 12 16:31:06 gateway pppd[29779]: Connection terminated.
> Feb 12 16:31:06 gateway pppd[29779]: Connect time 0.2 minutes.
> Feb 12 16:31:06 gateway pppd[29779]: Sent 2454 bytes, received 930
> bytes.
> Feb 12 16:31:06 gateway pppd[29779]: Exit.
>
> Regards
> Mark Burring
> Systems Engineer (Internet)
> Deeptech - Intelligent Networking
> Deepcare - Caring For Your IT Investment
> Email:markb at deeptech.com.au
> Web: www.deeptech.com.au ;www.deepcareonline.com
> Phone: 1300 361 954 Fax: +61 8 9201 2312
> Postal: PO BOX 1324, West Perth WA 6872
> After hours Support: 1300 361 954
>
> _______________________________________________
> pptp-server maillist  -  pptp-server at lists.schulte.org
> http://lists.schulte.org/mailman/listinfo/pptp-server
> --- To unsubscribe, go to the url just above this line. --

--
regards & thanks for your time,
Murali Krishna Vemuri
--All blue, I write with a Blue Pencil on a Blue Sky.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.schulte.org/mailman/private/pptp-server/attachments/20020212/bb022932/attachment.html>