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Old 09-13-2008, 08:57 PM
Bastian Blank
 
Default Bug#477174: #477174

Hi

Please show what you mean with "random TCP connection failure". For
example with a dump from tcpdump.

Do you use netfilter/iptables?

Bastian

--
Military secrets are the most fleeting of all.
-- Spock, "The Enterprise Incident", stardate 5027.4



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Old 09-27-2008, 04:30 PM
"M. Istehbab"
 
Default Bug#477174: #477174

I filed a bug few weeks back. Detalis*can be seen at;
*
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=477174

*
I also wrote to kernel / netdev mailing list. That post can be seen here;
*
http://marc.info/?l=linux-netdev&m=120920147425850&w=2
*
What happened was, I had squid on a transparent linux box, which acted as default gateway for a 60 box network.
*
At random times, squid would suddenly not get connections from LAN clients or squid would not GET the connection attempts from clients.
*
Nothing would show up in tcpdump output against LAN clients who would try to hit squid normally to browse the internet.
*
So, the connection from LAN clients was not being registered at any level on the linux box with the mentioned kernel versions. And this happened at random time.
*
M. Istehbab

*
On Sun, Sep 14, 2008 at 1:57 AM, Bastian Blank <waldi@debian.org> wrote:

Hi

Please show what you mean with "random TCP connection failure". For
example with a dump from tcpdump.


Do you use netfilter/iptables?

Bastian

--
Military secrets are the most fleeting of all.
* * * * * * * *-- Spock, "The Enterprise Incident", stardate 5027.4
 
Old 09-27-2008, 04:34 PM
"M. Istehbab"
 
Default Bug#477174: #477174

yes, I used iptables. I had this experience on debian/etch 4.0 r0 to r3. Since then I removed debian and am using rhel 4, on which this problem doesn't occur.
*
Seems like this problem is debian specific. It hasn't happened on rhel 3 or rhel 4 on the same box.
*
Also, I have not tried upgrading to later kernels since then. I'm using the stock, out of the box kernels that come with rhel ws3 and rhel 4
*
M. Istehbab


On Sat, Sep 27, 2008 at 9:30 PM, M. Istehbab <hariskhan@gmail.com> wrote:



I filed a bug few weeks back. Detalis*can be seen at;
*
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=477174

*
I also wrote to kernel / netdev mailing list. That post can be seen here;
*
http://marc.info/?l=linux-netdev&m=120920147425850&w=2
*
What happened was, I had squid on a transparent linux box, which acted as default gateway for a 60 box network.
*
At random times, squid would suddenly not get connections from LAN clients or squid would not GET the connection attempts from clients.
*
Nothing would show up in tcpdump output against LAN clients who would try to hit squid normally to browse the internet.
*
So, the connection from LAN clients was not being registered at any level on the linux box with the mentioned kernel versions. And this happened at random time.
*
M. Istehbab




*
On Sun, Sep 14, 2008 at 1:57 AM, Bastian Blank <waldi@debian.org> wrote:

Hi

Please show what you mean with "random TCP connection failure". For
example with a dump from tcpdump.


Do you use netfilter/iptables?

Bastian

--
Military secrets are the most fleeting of all.
* * * * * * * *-- Spock, "The Enterprise Incident", stardate 5027.4
 

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