Re: [openssh] Re: [openssh] Re: Frequent "Connection reset by peer"

This is a discussion on Re: [openssh] Re: [openssh] Re: Frequent "Connection reset by peer" within the OpenSSH Development forums, part of the Networking and Network Related category; On 2008-01-31 13:44, Tuc at T-B-O-H.NET wrote: > But would the device have ...


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Old 01-31-2008
Jefferson Ogata
 
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Default Re: [openssh] Re: [openssh] Re: Frequent "Connection reset by peer"

On 2008-01-31 13:44, Tuc at T-B-O-H.NET wrote:
> But would the device have sent a RST if it received a fragment
> it couldn't route? I'm getting an actual RST from the router on the other
> end of a WDS link towards the far end laptop.


Some versions of Linux wrongly generate an RST in response to a bad TCP
checksum. (Wrongly because the bad checksum is telling you you can't
trust the TCP header and payload, so why generate an RST using values
from the header?) I've had problems in the past with simply bad cabling
exercising this bug.

--
Jefferson Ogata <Jefferson.Ogata@noaa.gov>
NOAA Computer Incident Response Team (N-CIRT) <ncirt@noaa.gov>
"Never try to retrieve anything from a bear."--National Park Service
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