ssh session freezes in dapper

[hemant]

On 2/5/07, Matthew Flaschen <matthew.flaschen at gatech.edu> wrote:
> hemant wrote:
> > On 2/3/07, hemant <gethemant at gmail.com> wrote:
> >> Hi,
> >>
> >> When I connect to remote machines from my local dapper workstation,
> >> after sometime my SSH session hangs without any apparent reason.
> >>
> >> I have literally searched internet for hours for a solution and people
> >> seem to have following reasons for this:
> >>
> >> - Poor DNS
> >> - Packet fragmentation and firewall problem, and bulk text freezes the session
> >> - Inactivity timeout.
> >>
> >> Although I won't call my DNS to be solid, but when I connect to the
> >> same machines using putty from Windows(which uses zonealarm firewall),
> >> ssh sessions work fine and doesn't hang as they hang in Linux.
> >>
> >> Many people had ssh session hangs, when the command entered in remote
> >> session transferred large amount of text. I can assure, you guys that,
> >> its not the case here. Even doing, small chunks transfer session
> >> freezes.
> >>
> >> And of course, its not inactivity timeout, it happens, when i would be
> >> in middle of entering some command.
> >>
> >> Also, interesting fact is, many of my collegues within same intranet
> >> complained about their putty throwing "garbled network data", but
> >> since I had zonealarm on, I didn't face any problems in
> >> Windows.(zonealarm seems to be ordering bytes or something like that
> >> in Windows and for me, I never get session hangs in Windows when using
> >> putty)
> >>
> >> I am literally frustrated here and would love any solution/points.(I
> >> hate booting into Windows, for working on remote machines)
> >>
> >> Also I am running firestarter on my machine. I also tried setting up
> >> MTU = 576 using ifconfig eth0 mtu 576, but doesn't seem to have any
> >> impact.
> >>
> >>
> >> eth0      Link encap:Ethernet  HWaddr -----------------
> >>           inet addr:10.0.0.187  Bcast:10.10.2.255  Mask:255.255.255.0
> >>           inet6 addr: fe80::215:f2ff:fe91:dc77/64 Scope:Link
> >>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >>           RX packets:46986 errors:0 dropped:0 overruns:0 frame:0
> >>           TX packets:19000 errors:0 dropped:0 overruns:0 carrier:0
> >>           collisions:0 txqueuelen:1000
> >>           RX bytes:21881243 (20.8 MiB)  TX bytes:2177529 (2.0 MiB)
> >>           Interrupt:217 Base address:0x2000
> >>
> >> lo        Link encap:Local Loopback
> >>           inet addr:127.0.0.1  Mask:255.0.0.0
> >>           inet6 addr: ::1/128 Scope:Host
> >>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
> >>           RX packets:5229 errors:0 dropped:0 overruns:0 frame:0
> >>           TX packets:5229 errors:0 dropped:0 overruns:0 carrier:0
> >>           collisions:0 txqueuelen:0
> >>           RX bytes:2434670 (2.3 MiB)  TX bytes:2434670 (2.3 MiB)
> >>
> >> Linux xaos 2.6.15-27-386 #1 PREEMPT Fri Dec 8 17:51:56 UTC 2006 i686 GNU/Linux
> >
> > Anyone?
> >
> >
> Hmm, why don't you try using SSH after booting the live CD.  That should
> tell you whether any of your configuration (e.g. firestarter, which I've
> never heard of) messed things up.  Normally, I think the live CD
> includes SSH.
>


Hmm, surely I would try. But i doubt, firestarter is the root problem,
because I had problem with default installation itself and I installed
firestarter on top to see, if putting the firewall solves the problem.