Gilad Ben-Yossef wrote:
On Tue, 2002-12-03 at 00:52, Doron Shikmoni wrote:
Ideally, what I'd like is to have an iptables mangle rule, which will
just insert 0 into the CS field of any UDP packet that satisfies some
criteria (zero is legit UDP). Can this be done without writing iptables
Doron Shikmoni [EMAIL PROTECTED] writes:
Second, the quickest hack I can think of (save of writing a kernel
module or patching the kernel) is to write a small program that captures
the packet in user space (opens a raw promiscious socket and listens for
it, perhaps by using libpcap to do the
On Tue, 2002-12-03 at 14:57, Doron Shikmoni wrote:
Sounds like a good plan, which I will try. I was hoping to avoid the
coding but
it appears as though there's no way around it.
Of course there is ;-) if you're willing to invest a little time and
effort that is.
There exists a wonderful
Oleg Goldshmidt wrote:
Doron Shikmoni [EMAIL PROTECTED] writes:
Second, the quickest hack I can think of (save of writing a kernel
module or patching the kernel) is to write a small program that captures
the packet in user space (opens a raw promiscious socket and listens for
it, perhaps by
On 3 Dec 2002, Oleg Goldshmidt wrote:
[..snip..]
1) You'll go to userland for each packet, paying in performance. I
don't see how you can send only packets with bad checksum across
the border: if you could, you would have a simple solution for your
problem, I guess.
2) Libpcap
Hi all,
I'm having this small but nagging problem and I thought I might find
some enlightment here.
The essential part of the problem description (you don't want to hear
the whole story...) is this: I have a client machine which sends UDP
datagrams to a Linux based server. Under some specific
On Tue, 2002-12-03 at 00:52, Doron Shikmoni wrote:
Ideally, what I'd like is to have an iptables mangle rule, which will
just insert 0 into the CS field of any UDP packet that satisfies some
criteria (zero is legit UDP). Can this be done without writing iptables
extension modules?
Or, is
