Date: Wed, 24 May 2000 17:59:40 +0100 From: Brian Somers <brian@Awfulhak.org> To: Andrew Bogecho <andrewb@cs.mcgill.ca> Cc: freebsd-net@FreeBSD.ORG, brian@hak.lan.Awfulhak.org Subject: Re: ppp and nat Message-ID: <200005241659.RAA89074@hak.lan.Awfulhak.org> In-Reply-To: Message from Andrew Bogecho <andrewb@cs.mcgill.ca> of "Wed, 24 May 2000 12:41:36 EDT." <20000524124136.F2003@cs.mcgill.ca>
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Hi,
What does /var/log/alias.log say about port 80 traffic ?
> Wed May 24 12:37:53 EDT 2000
>
> Hi all,
>
> I asked about this three weeks ago on questions, but got no responses.
> Hopefully, some here might be able to help me.
>
> Here goes:
>
> I am using FreeBSD 4.0-RELEASE
>
> I have been having a big problem with my internal network. I am using
> PPPoE. Below is my configuration file. I must say that everything
> works, other than port forwarding. I only have one forwarding line, and
> no matter what I have tried I cannot get it to work. Any help would be
> appreciated.
>
> # /etc/ppp/ppp.conf - beginning
> #
> # PPP Version 2.26 - Mar 20 2000
> #
>
> default:
> set device PPPoE:dc0
> set MRU 1492
> set MTU 1492
> set authname ********@sympatico.ca
> set authkey ********
> set log Phase tun command
> set dial
> set login
> set ifaddr 10.0.0.1/0 10.0.0.2/0
> add default HISADDR
> set cd 5
> set crtscts off
> # Only added the line below so that I could use pppctl
> set server /var/run/internet "" 0177
>
> # Comments were removed when I was testing
> # alias enable yes
> # alias port tcp 192.168.1.21:80 80
> # alias log yes
>
> # nat enable yes
> # nat port tcp 192.168.1.21:80 80
> # nat log yes
>
> papchap:
>
> set authname ********@sympatico.ca
> set authkey ********
>
> #####
> # /etc/ppp/ppp.conf - end
>
> Please note that I tried both the alias version and the nat version to
> no avail. I do have a network connection from my internal network out,
> but I cannot get the port forwarding. Below is my netstat table:
>
> Routing tables
>
> Internet:
> Destination Gateway Flags Netif Expire
> 0/24 link#1 UC dc0 =>
> default 64.228.205.1 UGSc tun0
> 64.228.205.1 64.228.205.204 UH tun0
> 127.0.0.1 127.0.0.1 UH lo0
> 192.168.1 link#2 UC xl0 =>
> 192.168.1.10 0:a0:c:c1:65:bf UHLW xl0 684
> 192.168.1.11 0:0:e2:29:b6:b1 UHLW xl0 433
> 192.168.1.26 0:a0:c:c1:67:2 UHLW xl0 943
> 192.168.1.30 0:a0:c:c1:65:bf UHLW xl0 1175
> 192.168.1.248 0:10:4b:7a:53:58 UHLW xl0 1180
> 192.168.1.249 0:a0:c:c1:46:be UHLW xl0 1140
>
> My /sbin/ifconfig -a
>
> dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet 0.0.0.0 netmask 0xffffff00 broadcast 0.0.0.255
> ether 00:a0:0c:c1:42:8b
> media: autoselect (10baseT/UTP) status: active
> supported media: autoselect 100baseTX <full-duplex> 100baseTX
> 10baseT/UT
> P <full-duplex> 10baseT/UTP 100baseTX <hw-loopback> none
> xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1492
> inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
> inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
> inet 192.168.1.3 netmask 0xffffff00 broadcast 192.168.1.255
> ether 00:10:4b:13:7e:6a
> media: autoselect (100baseTX <full-duplex>) status: active
> supported media: autoselect 100baseTX <full-duplex> 100baseTX
> 10baseT/UT
> P <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
> lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
> ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> inet 127.0.0.1 netmask 0xff000000
> gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
> stf0: flags=8000<MULTICAST> mtu 1280
> faith0: flags=8000<MULTICAST> mtu 1500
> tun0: flags=8151<UP,POINTOPOINT,RUNNING,PROMISC,MULTICAST> mtu 1492
> inet 64.228.205.204 --> 64.228.205.1 netmask 0xff000000
> Opened by PID 576
>
> netstat does not show the port as open.
>
>
> I have also tried using pppctl and typing in the commands by hand, but
> have had no luck. Am I missing something? is my ppp.conf file somehow
> wrong?
>
> Thanks in advance for all those that try to help.
>
> Andrew.
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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