Hi!
According to Net::RawIP docs, checksum will be calculated automatically
unless your provide it manually via "check" parameter during object
construction.
So my guess is you incorrectly construct Net::RawIP objects. But it's a
sort of guesswork, so it'll be much easier to help if You send a piece
of code to illustrate the problem.
21.08.16 17:31, Mitescu George Dan пишет:
Hello,
I am trying to use Net::RawIP in order to craft UDP packets, which have
a custom source ip. The packets get sent, but tcpdump reports that the
checksum which is automatically computed (according to the docs) is incorrect.
There is a single post about this issue on perlmonks, I've also seen
examples on the internet using Net::RawIP for this, so I've figured
that I might be doing something wrong. I also remember Net::RawIP
complain about being compiled for a different Perl version, but I've
solved that by deleting perl5/site_perl/RawIP* and reinstalling the
cpan module.
You can also give me suggestions about other modules which are as easy
to use as this one for changing the source address. :D
Regards,
Mitescu George Dan
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