On Thu, May 22, 2008 at 6:43 PM, Joshua Schmidlkofer <[EMAIL PROTECTED]> wrote:
> I have pfSense 1.2-release on a multi-lan box.  We have 9 Interfaces with 6
> six active.   Only a single WAN, all the rest are used with dedicated leased
> lines.  We have IPsec in tunnel mode for several remote offices as well.
> We added PPTP services, via the internal PPTP server, however we aren't able
> to get any traffic through.
>
> First I thought it was the firewall, but now I have a any/any/any rule at
> the top of the PPTP, and still nothing.  Finally I tried tcpdump.
>
> Here is an ssh connection failing:
> # tcpdump -ni ng1
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on ng1, link-type NULL (BSD loopback), capture size 96 bytes
> 15:12:37.823031 IP 10.1.1.176.58098 > 10.1.1.20.22: S
> 3867494987:3867494987(0) win 65535 <mss 1404,nop,wscale 3,nop,nop,timestamp
> 131517934 0,sackOK,eol>
> 15:12:38.729693 IP 10.1.1.176.58098 > 10.1.1.20.22: S
> 3867494987:3867494987(0) win 65535 <mss 1404,nop,wscale 3,nop,nop,timestamp
> 131517943 0,sackOK,eol>
> 15:12:39.729283 IP 10.1.1.176.58098 > 10.1.1.20.22: S
> 3867494987:3867494987(0) win 65535 <mss 1404,nop,wscale 3,nop,nop,timestamp
> 131517953 0,sackOK,eol>
>
> Here is tcpdump, watching the host 10.1.1.176
>
> # tcpdump -ni bge0 host 10.1.1.176
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on bge0, link-type EN10MB (Ethernet), capture size 96 bytes
> 15:12:57.760347 arp who-has 10.1.1.176 tell 10.1.1.20
> 15:12:58.760071 arp who-has 10.1.1.176 tell 10.1.1.20
> 15:13:12.778768 IP 10.1.1.176.58098 > 10.1.1.20.22: S
> 3867494987:3867494987(0) win 65535 <mss 1404,sackOK,eol>
> 15:13:12.780033 arp who-has 10.1.1.176 tell 10.1.1.20
> 15:13:13.780625 arp who-has 10.1.1.176 tell 10.1.1.20
> 15:13:14.780454 arp who-has 10.1.1.176 tell 10.1.1.20
>
> ---
>
> This looks to me like we aren't actually arping for 10.1.1.176.  Can anyone
> offer advice?
>

pfSense will proxy ARP for PPTP clients. If that were broken we
definitely would have heard about it countless times by now. How do
you have the PPTP server setup?

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