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
