Pekka Savola wrote:
> Hello,
>
> On FreeBSD 6.2-PRERELEASE (apparently ipfilter ~4.1.13), I'm having a
> problem with NATted, FTP-proxied sessions which use Window Scaling.
> Session that don't use the FTP proxy (or if the FTP proxy rule is
> disabled) or if WS is disabled work OK.
>
> Maybe FTP proxy doesn't work with Window Scaling, or is there
> something I'm missing ?
>
> IPmon lists the errors like:
>
> 19/12/2006 20:56:04.982985 15x fxp0 @0:32 b 193.166.3.2,33416 ->
> 192.168.1.1,33828 PR tcp len 20 1500 -A IN OOW NAT
> 19/12/2006 20:56:08.235987 fxp0 @0:32 b 193.166.3.2,33416 ->
> 192.168.1.1,33828 PR tcp len 20 1500 -A IN OOW NAT
> 19/12/2006 20:56:09.155467 fxp0 @0:32 b 193.166.3.2,33416 ->
> 192.168.1.1,33828 PR tcp len 20 1500 -A IN OOW NAT
> 19/12/2006 20:56:10.996694 fxp0 @0:32 b 193.166.3.2,33416 ->
> 192.168.1.1,33828 PR tcp len 20 1500 -A IN OOW NAT
To see if it has properly picked up window scaling, list out the state table
entry with "ipfstat -sl". To me it is looking like the FTP data connection
is the one having trouble, yes?
Darren
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