Re: ipf 4.1.13 + NAT + FTP proxy = window scaling problem

On Thu, 21 Dec 2006, Darren Reed wrote:
> ok, please apply the attach patch so I can collect some information from
> the kernel.

The output is like follows (there are no such messages if FTP proxy is
disabled):

fdata:maxend 1129616061 end 1129616337
fdata:end 1129672809 seq 1129614889
fdata:winflags 4 winscale 0
tdata:winflags 0 winscale 0
ack 2182360656 ackskew 0 win 65160 << 0 maxwin 8192
fdata:maxend 1129616061 end 1129617785
fdata:end 1129672809 seq 1129616337
fdata:winflags 4 winscale 0
tdata:winflags 0 winscale 0
ack 2182360656 ackskew 0 win 65160 << 0 maxwin 8192
fdata:maxend 1129616061 end 1129619233
fdata:end 1129672809 seq 1129617785
fdata:winflags 4 winscale 0
tdata:winflags 0 winscale 0
ack 2182360656 ackskew 0 win 65160 << 0 maxwin 8192
fdata:maxend 1129616061 end 1129620681
fdata:end 1129672809 seq 1129619233
fdata:winflags 4 winscale 0
tdata:winflags 0 winscale 0
ack 2182360656 ackskew 0 win 65160 << 0 maxwin 8192
fdata:maxend 1129616061 end 1129622129
fdata:end 1129672809 seq 1129620681
fdata:winflags 4 winscale 0
tdata:winflags 0 winscale 0
ack 2182360656 ackskew 0 win 65160 << 0 maxwin 8192
.....

HTH,

--
Pekka Savola "You each name yourselves king, yet the
Netcore Oy kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings