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Can't connect VPN(PPTP)
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Can't connect VPN(PPTP)

WorldWorld Member

Hi,

Since 2 days ago,i can't connect PPTP VPN.
There is server log from my VPS:

Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.

pptpd-logwtmp: $Version$
using channel 33
Using interface ppp0
Connect: ppp0 <--> /dev/pts/1
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfAck id=0x1 ]
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfAck id=0x1 ]
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfAck id=0x1 ]
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfAck id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfAck id=0x1 ]
rcvd [LCP ConfAck id=0x1 ]
sent [LCP EchoReq id=0x0 magic=0xff2918ea]
sent [CHAP Challenge id=0xbd <7f5d5a826d2de6d859191e88622cd12a>, name = "pptpd"]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x2 ]
sent [LCP ConfAck id=0x1 ]
rcvd [LCP ConfAck id=0x1 ]
rcvd [LCP EchoRep id=0x0 magic=0xb8faa16d]
sent [LCP ConfReq id=0x2 ]
rcvd [LCP ConfReq id=0x2 ]
sent [LCP ConfAck id=0x2 ]
rcvd [LCP ConfAck id=0x2 ]
sent [LCP EchoReq id=0x0 magic=0xb2a03c7b]
sent [CHAP Challenge id=0x4c <7f2df82eacbd10d5a65bfadd0a5e8b5c>, name = "pptpd"]
sent [CHAP Challenge id=0x4c <7f2df82eacbd10d5a65bfadd0a5e8b5c>, name = "pptpd"]
rcvd [LCP ConfReq id=0x2 ]
sent [LCP ConfReq id=0x3 ]
sent [LCP ConfAck id=0x2 ]
rcvd [LCP ConfAck id=0x2 ]
rcvd [LCP EchoRep id=0x0 magic=0x8e30c591]
rcvd [CHAP Response id=0x4c <3337ceaaeb8d16ab0b2f72bda79f9d5300000000000000005b5a215e2f84d4ab088a73678748a98552150ef3fae98fd500>, name = "gfw"]
Discarded non-LCP packet when LCP not open
sent [LCP ConfReq id=0x3 ]
sent [LCP ConfReq id=0x3 ]
rcvd [LCP ConfReq id=0x3 ]
sent [LCP ConfAck id=0x3 ]
rcvd [LCP ConfAck id=0x3 ]
sent [LCP EchoReq id=0x0 magic=0x931a2193]
sent [CHAP Challenge id=0xe1 , name = "pptpd"]
sent [CHAP Challenge id=0xe1 , name = "pptpd"]
rcvd [LCP ConfReq id=0x3 ]
sent [LCP ConfReq id=0x4 ]
sent [LCP ConfAck id=0x3 ]
sent [LCP ConfReq id=0x4 ]
sent [LCP ConfReq id=0x4 ]
sent [LCP ConfReq id=0x4 ]
rcvd [LCP EchoRep id=0x0 magic=0xbc80bcf6]
rcvd [CHAP Response id=0xe1 <4efbde32f4cb9abc7b5e9b49acc9cb260000000000000000fcbba458c171622376606e5191b77492a28930f1ec3df98200>, name = "gfw"]
Discarded non-LCP packet when LCP not open
rcvd [CHAP Response id=0xe1 <4ee3d09e32904dce85cda4284ca3be110000000000000000f49d01faf25ddebca0411e737eb94c782eb4a9486c007aab00>, name = "gfw"]
Discarded non-LCP packet when LCP not open
sent [LCP ConfReq id=0x4 ]
rcvd [LCP TermReq id=0x5 "User request"]
sent [LCP TermAck id=0x5]
rcvd [LCP TermReq id=0x6 "User request"]
sent [LCP TermAck id=0x6]
sent [LCP ConfReq id=0x4 ]
Hangup (SIGHUP)
Modem hangup
Connection terminated.
Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
pptpd-logwtmp: $Version$
using channel 34
Using interface ppp0
Connect: ppp0 <--> /dev/pts/1
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x1 ]
sent [LCP ConfAck id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
sent [LCP ConfReq id=0x1 ]
rcvd [LCP ConfReq id=0x2 ]
sent [LCP ConfAck id=0x2 ]
rcvd [LCP ConfAck id=0x1 ]
sent [LCP EchoReq id=0x0 magic=0x6f79c1f2]
sent [CHAP Challenge id=0xcb , name = "pptpd"]
rcvd [LCP ConfAck id=0x1 ]
rcvd [LCP ConfReq id=0x2 ]
sent [LCP ConfReq id=0x2 ]
sent [LCP ConfAck id=0x2 ]
sent [LCP ConfReq id=0x2 ]
sent [LCP ConfReq id=0x2 ]
sent [LCP ConfReq id=0x2 ]
rcvd [LCP EchoRep id=0x0 magic=0x263e279]
rcvd [LCP ConfReq id=0x3 ]
sent [LCP ConfAck id=0x3 ]
rcvd [LCP ConfAck id=0x2 ]
sent [LCP EchoReq id=0x0 magic=0x692182c3]
sent [CHAP Challenge id=0x61 <62179ddc082fc2aa1e6c1280bc55bdaf>, name = "pptpd"]
sent [CHAP Challenge id=0x61 <62179ddc082fc2aa1e6c1280bc55bdaf>, name = "pptpd"]
sent [CHAP Challenge id=0x61 <62179ddc082fc2aa1e6c1280bc55bdaf>, name = "pptpd"]
rcvd [CHAP Response id=0x61 <7171a69a1c4ca16a30de4eb1960f2ac90000000000000000abc1c0fc6657dfb97f7e9567178e634b05a11aeb676dd66b00>, name = "gfw"]
sent [CHAP Success id=0x61 "S=D432695BD19B229A60F6BEA46D4C7C79375D52B9 M=Access granted"]
sent [CCP ConfReq id=0x1 ]
rcvd [CHAP Response id=0x61 <9c0ff26b90aab271c950bb90718b90ee00000000000000004f0e8b0d2394be282d9ed9453db59dfb4bdfd076af48fef000>, name = "gfw"]
sent [CHAP Success id=0x61 "S=D432695BD19B229A60F6BEA46D4C7C79375D52B9 M=Access granted"]
sent [CCP ConfReq id=0x1 ]
sent [CCP ConfReq id=0x1 ]
sent [CCP ConfReq id=0x1 ]
sent [CCP ConfReq id=0x1 ]
sent [CCP ConfReq id=0x1 ]
sent [CCP ConfReq id=0x1 ]
sent [CCP ConfReq id=0x1 ]
sent [LCP EchoReq id=0x1 magic=0x692182c3]
sent [CCP ConfReq id=0x1 ]
rcvd [LCP EchoRep id=0x1 magic=0x6eec7bb6]
sent [CCP ConfReq id=0x1 ]
CCP: timeout sending Config-Requests
rcvd [LCP TermReq id=0x4 "User request"]
LCP terminated by peer (User request)
sent [LCP TermAck id=0x4]
rcvd [LCP TermReq id=0x5 "User request"]
sent [LCP TermAck id=0x5]
Connection terminated.
Connect time 1.0 minutes.
Sent 100 bytes, received 0 bytes.
Modem hangup

Comments

  • XSXXSX Member, Host Rep

    it's kernel log ?

  • WorldWorld Member

    @Pzea said:
    it's kernel log ?

    it's just PPTP log.

  • yywudiyywudi Member
    edited May 2014

    timeout sending Config-Requests rcvd [LCP TermReq id=0x4 "User request"] LCP terminated by peer

    that mostly means PPTP connection was reset by GFW...
    even if you want to cross the GFW, it just reset your pptp connection.
    setup IPSec L2TP and try again, if L2TP is OK but PPTP NOT, means your ISP monitor and reset PPTP. it's normal if you're using china telecom in my experience.

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