[linux] poptop en wat uitdagingen ,,,

[Ron Bogerd]

Middag iedereen,

Heb sinds kort m.b.v. poptop de mogelijkheid gecreeerd om middels een VPN 
connectie (pptp) een verbinding te maken tussen een WInXPdoos en een 
Debiandoos. Nou is het eigenaardige dat de verbinding tot stand komt maar 
vervolgens niet werkt. M.a.w. ik kan wel pakketjes sturen en bijvoorbeeld 
ook pingen maar verder niets. Hieronder stukje syslog, iemand enig idee wat 
ik nog over het hoofd zie ???

Mar 11 17:48:20 localhost pptpd[8976]: CTRL: Client xxx.xx.xxx.xxx control 
connection started Mar 11 17:48:20 localhost pptpd[8976]: CTRL: Starting 
call (launching pppd, opening GRE) Mar 11 17:48:20 localhost pppd[8977]: 
Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded. Mar 11 17:48:20 localhost 
pppd[8977]: pptpd-logwtmp: $Version$ Mar 11 17:48:20 localhost pppd[8977]: 
pppd 2.4.3 started by root, uid 0 Mar 11 17:48:20 localhost pppd[8977]: 
using channel 89 Mar 11 17:48:20 localhost pppd[8977]: Using interface ppp0 
Mar 11 17:48:20 localhost pppd[8977]: Connect: ppp0 <--> /dev/pts/1 Mar 11 
17:48:20 localhost pppd[8977]: sent [LCP ConfReq id=0x1 <mru 1464> 
<asyncmap 0x0> <auth chap MS-v2> <magic 0xa1e07b1> <pcomp> <accomp>] Mar 11 
17:48:20 localhost pptpd[8976]: GRE: Bad checksum from pppd. Mar 11 
17:48:21 localhost pppd[8977]: rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 
0x22aa3fe1> <pcomp> <accomp> <callback CBCP>] Mar 11 17:48:21 localhost 
pppd[8977]: sent [LCP ConfRej id=0x0 <callback CBCP>] Mar 11 17:48:21 
localhost pppd[8977]: rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 
0x22aa3fe1> <pcomp> <accomp>] Mar 11 17:48:21 localhost pppd[8977]: sent 
[LCP ConfAck id=0x1 <mru 1400> <magic 0x22aa3fe1> <pcomp> <accomp>] Mar 11 
17:48:23 localhost pppd[8977]: sent [LCP ConfReq id=0x1 <mru 1464> 
<asyncmap 0x0> <auth chap MS-v2> <magic 0xa1e07b1> <pcomp> <accomp>] Mar 11 
17:48:23 localhost pppd[8977]: rcvd [LCP ConfAck id=0x1 <mru 1464> 
<asyncmap 0x0> <auth chap MS-v2> <magic 0xa1e07b1> <pcomp> <accomp>] Mar 11 
17:48:23 localhost pppd[8977]: sent [LCP EchoReq id=0x0 magic=0xa1e07b1] 
Mar 11 17:48:23 localhost pppd[8977]: sent [CHAP Challenge id=0x27 
<06e284f5b5a88c14555dfcef828b55b3>, name = "pptpd"] Mar 11 17:48:23 
localhost pptpd[8976]: CTRL: Ignored a SET LINK INFO packet with real 
ACCMs! Mar 11 17:48:23 localhost pppd[8977]: rcvd [LCP Ident id=0x2 
magic=0x22aa3fe1 "MSRASV5.10"] Mar 11 17:48:23 localhost pppd[8977]: rcvd 
[LCP Ident id=0x3 magic=0x22aa3fe1 "MSRAS-0-PORT0127"] Mar 11 17:48:23 
localhost pppd[8977]: rcvd [LCP EchoRep id=0x0 magic=0x22aa3fe1] Mar 11 
17:48:24 localhost pppd[8977]: rcvd [CHAP Response id=0x27 
<ede6f95b716da3805ab9f38caa39f97800000000000000002a157b45d928e6052551753f15999f52201bd4f6011b222100>, 
name = "ron"] Mar 11 17:48:24 localhost pppd[8977]: sent [CHAP Success 
id=0x27 "S=7AA8BD9942DB8224A61CE8B1F87D89029E7501EC M=Access granted"] Mar 
11 17:48:24 localhost pppd[8977]: sent [CCP ConfReq id=0x1 <mppe +H -M +S 
-L -D -C>] Mar 11 17:48:24 localhost pppd[8977]: rcvd [CCP ConfReq id=0x4 
<mppe +H +M +S +L -D +C>] Mar 11 17:48:24 localhost pppd[8977]: sent [CCP 
ConfNak id=0x4 <mppe +H -M +S -L -D -C>] Mar 11 17:48:24 localhost 
pppd[8977]: rcvd [IPCP ConfReq id=0x5 <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-wins 0.0.0.0> <ms-dns3 0.0.0.0> <ms-wins 0.0.0.0>] Mar 11 17:48:24 
localhost pppd[8977]: sent [IPCP TermAck id=0x5] Mar 11 17:48:24 localhost 
pppd[8977]: rcvd [CCP ConfAck id=0x1 <mppe +H -M +S -L -D -C>] Mar 11 
17:48:24 localhost pppd[8977]: rcvd [CCP ConfReq id=0x6 <mppe +H -M +S -L 
-D -C>] Mar 11 17:48:24 localhost pppd[8977]: sent [CCP ConfAck id=0x6 
<mppe +H -M +S -L -D -C>] Mar 11 17:48:24 localhost pppd[8977]: MPPE 
128-bit stateless compression enabled Mar 11 17:48:24 localhost pppd[8977]: 
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 10.1.1.1>] Mar 11 
17:48:24 localhost pppd[8977]: rcvd [IPCP ConfRej id=0x1 <compress VJ 0f 
01>] Mar 11 17:48:24 localhost pppd[8977]: sent [IPCP ConfReq id=0x2 <addr 
10.1.1.1>] Mar 11 17:48:24 localhost pppd[8977]: rcvd [IPCP ConfAck id=0x2 
<addr 10.1.1.1>] Mar 11 17:48:25 localhost pppd[8977]: rcvd [IPCP ConfReq 
id=0x7 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-wins 0.0.0.0> <ms-dns3 0.0.0.0> 
<ms-wins 0.0.0.0>] Mar 11 17:48:25 localhost pppd[8977]: sent [IPCP ConfRej 
id=0x7 <ms-wins 0.0.0.0> <ms-wins 0.0.0.0>] Mar 11 17:48:25 localhost 
pppd[8977]: rcvd [IPCP ConfReq id=0x8 <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns3 0.0.0.0>] Mar 11 17:48:25 localhost pppd[8977]: sent [IPCP ConfNak 
id=0x8 <addr 10.1.1.3> <ms-dns1 192.168.10.12> <ms-dns3 194.151.228.50>] 
Mar 11 17:48:25 localhost pppd[8977]: rcvd [IPCP ConfReq id=0x9 <addr 
10.1.1.3> <ms-dns1 192.168.10.12> <ms-dns3 194.151.228.50>] Mar 11 17:48:25 
localhost pppd[8977]: sent [IPCP ConfAck id=0x9 <addr 10.1.1.3> <ms-dns1 
192.168.10.12> <ms-dns3 194.151.228.50>] Mar 11 17:48:25 localhost 
pppd[8977]: Cannot determine ethernet address for proxy ARP Mar 11 17:48:25 
localhost pppd[8977]: local  IP address 10.1.1.1 Mar 11 17:48:25 localhost 
pppd[8977]: remote IP address 10.1.1.3 Mar 11 17:48:25 localhost 
pppd[8977]: pptpd-logwtmp.so ip-up ppp0 ron 213.84.223.184 Mar 11 17:48:25 
localhost pppd[8977]: Script /etc/ppp/ip-up started (pid 8985) Mar 11 
17:48:25 localhost pppd[8977]: Script /etc/ppp/ip-up finished (pid 8985), 
status = 0x0