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From: * <zh...@gm...> - 2017-12-24 12:25:48
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Hi, I am trying to connect to work's VPN on PPTP. My work uses Draytek VPN. I am using macOS High Sierra pppd version 2.4.2 I think VPN server accepts my username and password. But I get MS-CHAPv2 Success packet is badly formed. I don't understand what is happening. Any help will be appreciated. Jake He Here is my configure ➜ ~ cat /etc/ppp/peers/vpnwork plugin PPTP.ppp noauth #logfile /tmp/ppp.log remoteaddress "110.x.x.98" user workdomain\\myusername password something redialcount 1 redialtimer 5 idle 1800 # mru 1368 # mtu 1368 receive-all novj 0:0 ipcp-accept-local ipcp-accept-remote noauth nobsdcomp #nodeflate refuse-eap refuse-pap refuse-mschap refuse-chap hide-password #mppe-stateless #require-mschap-v2 mppe-128 require-mppe-128 looplocal nodetach # ms-dns 8.8.8.8 usepeerdns #ipparam defaultroute debug Here is the log ➜ ~ sudo pppd call vpnwork Thu Dec 21 08:40:36 2017 : publish_entry SCDSet() failed: Success! Thu Dec 21 08:40:36 2017 : publish_entry SCDSet() failed: Success! Thu Dec 21 08:40:36 2017 : PPTP connecting to server '110.x.x.98' (110.x.x.98)... Thu Dec 21 08:40:36 2017 : PPTP connection established. Thu Dec 21 08:40:36 2017 : PPTP set port-mapping for en0, interface: 8, protocol: 0, privatePort: 0 Thu Dec 21 08:40:36 2017 : using link 1 Thu Dec 21 08:40:36 2017 : Using interface ppp1 Thu Dec 21 08:40:36 2017 : Connect: ppp1 <--> socket[34:17] Thu Dec 21 08:40:36 2017 : sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x38214622> <pcomp> <accomp>] Thu Dec 21 08:40:36 2017 : rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x38214622> <pcomp> <accomp>] Thu Dec 21 08:40:39 2017 : sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x38214622> <pcomp> <accomp>] Thu Dec 21 08:40:39 2017 : rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x178c4dd4> <pcomp> <accomp>] Thu Dec 21 08:40:39 2017 : lcp_reqci: returning CONFACK. Thu Dec 21 08:40:39 2017 : sent [LCP ConfAck id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x178c4dd4> <pcomp> <accomp>] Thu Dec 21 08:40:39 2017 : rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x38214622> <pcomp> <accomp>] Thu Dec 21 08:40:39 2017 : rcvd [LCP EchoReq id=0x0 magic=0x178c4dd4] Thu Dec 21 08:40:39 2017 : sent [LCP EchoRep id=0x0 magic=0x38214622] Thu Dec 21 08:40:39 2017 : rcvd [CHAP Challenge id=0x1 <3b1b5105149215be4074824c50c16eeb>, name = "Draytek"] Thu Dec 21 08:40:39 2017 : sent [CHAP Response id=0x1 <fe5aad17a54a55819832957268cef98500000000000000004c3a2b98f53babccb4d02e7608d88cbd9693cae7023ebe1600>, name = "workdomain\\myusername"] Thu Dec 21 08:40:39 2017 : rcvd [CHAP Success id=0x1 "\001S=6FD1D958714C524CB910F77CA4A7D9803AFE5518"] Thu Dec 21 08:40:39 2017 : MS-CHAPv2 Success packet is badly formed. Thu Dec 21 08:40:39 2017 : sent [LCP TermReq id=0x2 "Failed to authenticate ourselves to peer"] Thu Dec 21 08:40:39 2017 : Connection terminated. Thu Dec 21 08:40:39 2017 : PPTP disconnecting... Thu Dec 21 08:40:39 2017 : PPTP clearing port-mapping for en0 Thu Dec 21 08:40:39 2017 : PPTP disconnected |