ng_pptpgre problems: tcp connections reset unexpectedly

Nikos Vassiliadis nvass at teledomenet.gr
Tue Jan 30 10:23:27 UTC 2007


On Monday 29 January 2007 20:25, Alexander Motin wrote:
> It is released now. And if you will have there any problems, they must 
> be fixed before next release. So inform me.

The problem I had is gone. mpd4 cannot be compared to mpd3.
It is by far superior, both usability-wise and networking-ability-wise.

thanks.

> > To complicate things a bit more sftp over the same the link works reliably
> > (different sockopts?). http fails, ftp fails but sftp works as usual.
> > 
> > Eventually a read(2) fails:
> >   1794 fetch    CALL  read(0x3,0x8057730,0xd0)
> >   1794 fetch    RET   read -1 errno 60 Operation timed out
> 
> Strange result IMHO for reading from TCP socket. I will try to 
> investigate this.
> 
> > It seems to work with disabled windowing. If you are interested in
> > tracking down this, I would be glad to help.
> 
> I will try to look into it. If you will have some more interesting 
> results send them to me.
> 

I can provide you a pptp peer to connect to. I can reproduce it
easily from home, I am opening a pptp tunnel over the pppoe
connection and it happens frequently.

Nikos


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