* [BUG bisected] 2.6.30.4: NET: active FTP doesn't work
@ 2009-08-26 8:33 Vitezslav Samel
2009-08-26 12:51 ` Patrick McHardy
0 siblings, 1 reply; 2+ messages in thread
From: Vitezslav Samel @ 2009-08-26 8:33 UTC (permalink / raw)
To: Patrick McHardy; +Cc: Krzysztof Piotr Oledzki, Greg Kroah-Hartman, netdev
Hi!
When testing 2.6.30.4+ kernel, I discovered active ftp does not work
anymore (2.6.30.3 is OK).
LAN internet
machine1 ------- router1 ------- machine2
Active ftp from machine1 to machine2 connects, transfers some files and
then hangs. Passive ftp works OK. The faulty box (router1)
is router/firewall and is doing NAT.
I bisected it down to commit 7500f93f415a2fc07e0031d99fa3964bf8981cfc
in linux-2.6.30.y tree ("netfilter: tcp conntrack: fix unacknowledged
data detection with NAT").
Could you, please, take look at it?
I'm open to do any tests.
Thanks,
Vita Samel
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [BUG bisected] 2.6.30.4: NET: active FTP doesn't work
2009-08-26 8:33 [BUG bisected] 2.6.30.4: NET: active FTP doesn't work Vitezslav Samel
@ 2009-08-26 12:51 ` Patrick McHardy
0 siblings, 0 replies; 2+ messages in thread
From: Patrick McHardy @ 2009-08-26 12:51 UTC (permalink / raw)
To: Vitezslav Samel; +Cc: Krzysztof Piotr Oledzki, Greg Kroah-Hartman, netdev
Vitezslav Samel wrote:
> Hi!
>
> When testing 2.6.30.4+ kernel, I discovered active ftp does not work
> anymore (2.6.30.3 is OK).
>
> LAN internet
> machine1 ------- router1 ------- machine2
>
>
> Active ftp from machine1 to machine2 connects, transfers some files and
> then hangs. Passive ftp works OK. The faulty box (router1)
> is router/firewall and is doing NAT.
>
> I bisected it down to commit 7500f93f415a2fc07e0031d99fa3964bf8981cfc
> in linux-2.6.30.y tree ("netfilter: tcp conntrack: fix unacknowledged
> data detection with NAT").
>
> Could you, please, take look at it?
Please send me a tcpdump (binary dump, with -o <file> and -s0) of an
FTP session on both the internal and external interfaces and your NAT
rules. Thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2009-08-26 8:33 [BUG bisected] 2.6.30.4: NET: active FTP doesn't work Vitezslav Samel
2009-08-26 12:51 ` Patrick McHardy
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