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Diego_19194's avatar
Diego_19194
Icon for Nimbostratus rankNimbostratus
Jul 19, 2007

SMTP modify a character in the packet

Hello people,   I have a problem that I need to send a MSISDM in a SMTP packet, but I must to modify the number, it meam remove one number.   Then only option we see is to create an iRule at Big...
application delivery
dev
devops
iRules
Deb_Allen_18's avatar
Deb_Allen_18
Historic F5 Account
Jul 27, 2007
Since you're replacing the original payload, you have to replace the original data length, not the length of the new data. Try using this for the TCP::payload replacement commands instead:

TCP::payload replace 0 [TCP::payload length] $sdata

HTH

/deb