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Re: pppd in a vserver



On Mon, Jul 20, 2009 at 12:01:17PM +0200, Sjoerd Hardeman wrote:
> Hi list,
>
> Does anybody know if it is possible to use pppd in a vserver? I am  
> currently trying to set up a pptpd vpn server inside a vserver  
> environment, but it fails on
> Jul 19 23:09:02 vserver pppd[18802]: ioctl(SIOCSIFDSTADDR): Cannot  
> assign requested address (line 2387)
> Jul 19 23:09:02 vserver pppd[18802]: Interface configuration failed
> (see the full log below)

Can a vserver guest create an extra network interface?

>
> Thanks for your answers!
> Sjoerd
>
> Full log:
> (pptpd stuff, succesfully connecting)
> Jul 19 23:09:02 vserver pppd[18802]: Plugin  
> /usr/lib/pptpd/pptpd-logwtmp.so loaded.
> Jul 19 23:09:02 vserver pppd[18802]: pptpd-logwtmp: $Version$
> Jul 19 23:09:02 vserver pppd[18802]: pppd 2.4.4 started by root, uid 0
> Jul 19 23:09:02 vserver pppd[18802]: using channel 9
> Jul 19 23:09:02 vserver pppd[18802]: Using interface ppp0
> Jul 19 23:09:02 vserver pppd[18802]: Connect: ppp0 <--> /dev/pts/2
> Jul 19 23:09:02 vserver pppd[18802]: sent [LCP ConfReq id=0x1 <asyncmap  
> 0x0> <auth chap MS-v2> <magic 0x3e2e6464> <pcomp> <accomp>]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: Bad checksum from pppd.
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #1
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [LCP ConfReq id=0x1 <mru 1492>  
> <asyncmap 0x0> <magic 0x40c24d4c> <pcomp> <accomp>]
> Jul 19 23:09:02 vserver pppd[18802]: sent [LCP ConfAck id=0x1 <mru 1492>  
> <asyncmap 0x0> <magic 0x40c24d4c> <pcomp> <accomp>]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #2
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [LCP ConfAck id=0x1 <asyncmap  
> 0x0> <auth chap MS-v2> <magic 0x3e2e6464> <pcomp> <accomp>]
> Jul 19 23:09:02 vserver pppd[18802]: sent [LCP EchoReq id=0x0  
> magic=0x3e2e6464]
> Jul 19 23:09:02 vserver pppd[18802]: sent [CHAP Challenge id=0xb5  
> <a3fe3001e997ff974274aeb9e033cf5b>, name = "pptpd"]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #3
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #4
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [LCP EchoReq id=0x0  
> magic=0x40c24d4c]
> Jul 19 23:09:02 vserver pppd[18802]: sent [LCP EchoRep id=0x0  
> magic=0x3e2e6464]
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [LCP EchoRep id=0x0  
> magic=0x40c24d4c]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #5
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [CHAP Response id=0xb5  
> <95ef701f762af8f2d852740c394cb1270000000000000000ea091945aa05d9c94371ba3d07a75891e128d6cea9216f0400>, 
> name = "xxxxx"]
> Jul 19 23:09:02 vserver pppd[18802]: sent [CHAP Success id=0xb5  
> "S=C275CED30518026F0CFE920DE67C9B6F1B1544BE M=Access granted"]
> Jul 19 23:09:02 vserver pppd[18802]: sent [CCP ConfReq id=0x1 <mppe +H  
> -M +S -L -D -C>]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #6
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #7
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [CCP ConfReq id=0x1 <mppe +H  
> -M +S -L -D -C>]
> Jul 19 23:09:02 vserver pppd[18802]: sent [CCP ConfAck id=0x1 <mppe +H  
> -M +S -L -D -C>]
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [CCP ConfAck id=0x1 <mppe +H  
> -M +S -L -D -C>]
> Jul 19 23:09:02 vserver pppd[18802]: MPPE 128-bit stateless compression  
> enabled
> Jul 19 23:09:02 vserver pppd[18802]: sent [IPCP ConfReq id=0x1 <compress  
> VJ 0f 01> <addr 10.1.2.10>]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #8
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #9
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [IPCP ConfReq id=0x1 <compress  
> VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns3 0.0.0.0>]
> Jul 19 23:09:02 vserver pppd[18802]: sent [IPCP ConfNak id=0x1 <addr  
> xx.xx.xx.xx> <ms-dns1 xx.xx.xx.xx> <ms-dns3 xx.xx.xx.xx>]
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [IPCP ConfAck id=0x1 <compress  
> VJ 0f 01> <addr xx.xx.xx.xx>]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #10
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [IPCP ConfReq id=0x2 <compress  
> VJ 0f 01> <addr xx.xx.xx.xx> <ms-dns1 xx.xx.xx.xx> <ms-dns3 xx.xx.xx.xx>]
> Jul 19 23:09:02 vserver pppd[18802]: sent [IPCP ConfAck id=0x2 <compress  
> VJ 0f 01> <addr xx.xx.xx.xx> <ms-dns1 xx.xx.xx.xx> <ms-dns3 xx.xx.xx.xx>]
> Jul 19 23:09:02 vserver pppd[18802]: ioctl(SIOCSIFDSTADDR): Cannot  
> assign requested address (line 2387)
> Jul 19 23:09:02 vserver pppd[18802]: Interface configuration failed
> Jul 19 23:09:02 vserver pppd[18802]: pptpd-logwtmp.so ip-down ppp0
> Jul 19 23:09:02 vserver pppd[18802]: Connect time 0.0 minutes.
> Jul 19 23:09:02 vserver pppd[18802]: Sent 86 bytes, received 92 bytes.
> Jul 19 23:09:02 vserver pppd[18802]: sent [IPCP TermReq id=0x2  
> "Interface configuration failed"]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #11
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [IPCP TermAck id=0x2]
> Jul 19 23:09:02 vserver pppd[18802]: MPPE disabled
> Jul 19 23:09:02 vserver pppd[18802]: sent [LCP TermReq id=0x2 "MPPE  
> disabled"]
> Jul 19 23:09:02 vserver pppd[18802]: sent [LCP TermReq id=0x3 "MPPE  
> disabled"]
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #12
> Jul 19 23:09:02 vserver pptpd[18795]: GRE: accepting packet #13
> Jul 19 23:09:02 vserver pppd[18802]: rcvd [LCP TermAck id=0x2]
> Jul 19 23:09:02 vserver pppd[18802]: Connection terminated.
> Jul 19 23:09:02 vserver pppd[18802]: Connect time 0.0 minutes.
> Jul 19 23:09:02 vserver pppd[18802]: Sent 120 bytes, received 96 bytes.
> Jul 19 23:09:02 vserver pppd[18802]: Exit.
> (more pptpd stuff to end connection after failure of pppd)
>



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