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   comp.dcom.vpn      VPN protocols, clients, awesomeness      2,349 messages   

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   Message 1,575 of 2,349   
   Alex Chauvin to All   
   Re: VPN via ADSL: connection hangs   
   10 Apr 05 19:53:41   
   
   From: alex@spamout.nucleonet.com   
      
   steph a écrit :   
   > No, it does'nt seem to be connected to inactivity: I connect via ssh,   
   > enter 2 or 3 commands, then it hangs.  And there's no difference if i   
   > do it all at once, or if I wait in between. But what is interesting: it   
   > seems that it always hangs when the output is some larger list. For   
   > instance, when i enter 'ls' in a small directory it's no problem, doing   
   > this on a larger one (for instance /usr/lib) it hangs.   
      
   I have already seen this on firewall and max frame size negociation in   
   TCP. For example, if your TCP session negociates 1500 bytes as max frame   
   size but something in the middle is performing fragmentation (tunneling   
   over UDP, IPsec) then the remote firewall can suppress additionnal   
   fragment (ie linux ipfilter/iptables).   
      
   You can try to discriminate this behavior with a packet sniffer to see   
   if fragments are built and dropped by an equipment on the path.   
      
   Hope this helps.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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