lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 22 May 2007 23:33:30 +0000
From:	"Thomas B. Rücker" <>
To:	Stephen Hemminger <>,
	Philipp Gühring 
Subject: Re: UDP checksum broken since 2.6.18?

Stephen Hemminger wrote:
> The packet passed to packet capture programs may not have a valid checksum
> if you have checksum offload configured on the device.  What kind of hardware
> do you have on sender and receiver? 
The c-snippet uses 127.x.x.x --> loopback
I think Philipp tested this on real NICs too.

I just proxied this information to this list because I don't have the
indepth knowledge about IP, UDP and the kernel. I had a Chat with Ralf
Baechle and he recommended sending a report to netdev@. Maybe Philipp
can give some more information. He discovered this.


To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists