Re: [Wireshark-users] BAD TCP CHECKSUM in loopback interface

2008-01-05 Thread Guy Harris
Boschetti Alberto wrote: > Hi, I'm learning something about C network programming and I've > downloaded several client/server application. > > When I use them on the > loopback interface (client and server have address 127.x.x.x) and I > look to the packet with wireshark, I see that the packets

Re: [Wireshark-users] BAD TCP CHECKSUM in loopback interface

2008-01-05 Thread Boschetti Alberto
Exist a C-function or system calls that force the program to compute the right TCP checksum? If I compute the right checksum before send the packet I've solved my problem! ___ Wireshark-users mailing list Wireshark-users@wireshark.org http://www.wiresh

Re: [Wireshark-users] BAD TCP CHECKSUM in loopback interface

2008-01-05 Thread Stig Bjørlykke
On 5. jan.. 2008, at 16.13, Boschetti Alberto wrote: > I'm using the newest version of Wireshark. Is it a bug of Wireshark > or a > problem on my pc? Hi. Have a look at this page: http://www.wireshark.org/docs/wsug_html_chunked/ChAdvChecksums.html -- Stig Bjørlykke __